Survey of Flowering Plants Stored in Fluid Preservatives Across European Herbaria

Written by Ranee Prakash, Senior Curator (Flowering Plants), Algae, Fungi and Plants Division, Department of Life Sciences, Natural History Museum, London.

A survey of flowering plant material stored in various fluid preservatives across several European herbaria/institutions was carried out a few years ago. The feedback received from the survey is shared and shows that the majority of the herbaria use 70% IMS (industrial methylated spirit) to store their collections.

Introduction

The seed plant collections (stored in various liquids such as formalin, some have unknown liquids, and some mention poison) form a relatively small yet significant part of the botanical holdings at NHM (Natural History Museum). They include some important material dating back to the mid 1800’s and type collections such as the world’s largest flower Rafflesia arnoldii collected by Robert Brown. However, these wet collections have remained a somewhat underused asset and are in dire need of curatorial attention.

In continuation to this aim, a survey of flowering plants stored in spirit collections across various institutions in Europe was carried out in 2012 so as to assess what preservatives other institutions were using and what would be the best method to store the collections at NHM for posterity. The objective of this survey was to gather information on:

  • How big the spirit collection is
  • How the collection is used
  • Which liquid preservatives the flowering plant collections are stored in

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Stories from Pressed Plant Books in the Botany Collections

Written by Katherine Slade, Curator: Botany (Lower Plants), Amgueddfa Cymru – National Museum Wales (AC-NMW)

This article was first published as a blog for AC-NMW, 17 May 2019.

Within Amgueddfa Cymru’s botany collections are books of dried plant specimens created by scientists and enthusiasts. Each specimen has been carefully dried and pressed, before being added to the books, sometimes with handwritten or printed notes alongside. The books are of enormous importance both in terms of modern scientific research into climate change and biodiversity, and as a way to see first hand the history of botanical exploration.

You can now look through a catalogue of the 36 books that contain non-flowering plants, fungi, lichens and seaweeds. You can read about a few of the stories surrounding these books below. For more detailed information about each book, please visit the website.

These books show the changes in how we collect, classify and name plants over two centuries from 1800 to present day. An old volume which probably dates from the 19th century entitled “New Zealand Mosses”, contains more than just mosses. Lichens, algae and even some pressed hydrozoans (tiny marine animals) have been included by the unknown collector who chose to group these superficially similar ‘moss-like’ specimens together. This donation entered the Museum’s collections after its Royal Charter was received and before work had begun on the present Cathays Park building.

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Making a Wild Strawberry Sculpture from Honey Bee Wax. A Scientific Art Collaboration with Cornell University, New York.

Written by Annette Townsend, Natural History Artist, Designer, Maker, Cardiff.

© Annette Townsend

In November 2017 I attended the Cross-pollination, Revaluing Pollinators through Arts and Science Collaboration conference at Swansea College of Art. The conference marked the end of a successful and pioneering project funded by both the Arts and Humanities Research Council (AHRC) and the Arts Council of Wales, combining Art with Science to explore new insight into perceptions of the value of honeybees and wild pollinators.

As an artist I’ve spent most of my career working alongside scientists on science communication projects and my current work focuses on the protection of nature and features pollinating insects, so the project was of great interest to me.

At the conference I heard many fascinating lectures and discussions but it was my chance conversation with Assistant Professor Scott McArt, from the
Entomology Department at Cornell University, that sparked a creative idea which has developed into a collaborative piece of artwork, which is now on display in the new PolliNation exhibition at the Mann Gallery in Cornell.

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Five Lessons for Life from Working on the Horniman’s Historical Herbarium

Written by Imogen Crarer during a student placement at the Horniman Museum and Gardens early last year. Imogen recently graduated from King’s College, London with an MA in Modern History with Distinction and is currently training as a curator at the Museum of Cornish Life.

You may think that I have taken slight leave of my senses or perhaps am being a pinch too ambitious in claiming that the Horniman’s historical botany collection is the source of 5 significant life lessons. However, “Yes! To science and history but also yes to life!” is my cheerful reply. Instead of dancing away merrily in a fit of musical theatre style exuberance, I shall explain how my student placement with the Natural History department researching the Herbarium gave me such insight.

Life Lesson Number 1: Often, the Simple or Basic Tasks are the Most Important.

Everything starts somewhere. My time at the Horniman highlighted that research processes and the museum journey of cataloguing, conserving and interpreting specimens for scholarly and public benefit has to begin with the basic “’ello ‘ello, what have we here?”. In my case, what we had were unbound volumes of Flora Britannica- physical specimens attached to annotated sheets collected mostly within the 1840s.

Having never previously been catalogued, the data from the handwritten labels on these specimens needed entering into the Horniman’s Collections Management System, Mimsy XG. Recording information on the database, such as scientific name, locality, and date collected, allows Horniman staff, volunteers and future researchers to know what is in the herbarium and explore its significance without having to disturb the specimens. While handy for convenience, it also helps us to conserve the specimens as repeated handling can damage these fragile, and beautiful, preserved plants. However it soon became apparent that the basic task of deciphering the handwriting and researching historical localities and common names was time-consuming, frustrating but also very rewarding. Transcribing the data from the specimens onto the database, I felt was my most useful contribution to the Horniman, and therefore my biggest achievement. It reminded me that taking the time to give yourself a solid foundation helps in anything that you do!

The collections management database used by the Horniman Museum; Mimsy XG. © Horniman Museum and Gardens.

Life Lesson Number 2: Little Things can Tell us a Great Deal.

The 175+ year old botanical specimens preserved in the herbaria have both historical and scientific significance. The specimens vary in size from approximately 2 cm to 30 cm in length, and the detail of delicate moss spores, flower buds, and leaf structures for example is wonderful. The specimen sheets tell us about the plants themselves. They also reveal a snapshot of the English countryside in the 1840s, particularly around Thame, Oxfordshire. Knowing the historical what, when and where allows us to make comparisons with current ecological data. This helps us to understand if and how plant species have spread or declined. This is particularly important for meadow flowers (represented strongly in the volumes I was working on) given that 97% of British meadows have been lost since 1945[1]. I feel that the Horniman’s historical botany collection and the present drive to conserve Britain’s green spaces and limit climate change, habitat destruction and pollution are much more linked than we might think.

One of a number of unbound herbaria held in the collections. © Horniman Museum and Gardens.

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Wild About Portsmouth – Discovering Portsmouth’s Natural History Collection

Written by Christine Taylor, Curator of Natural History, Portsmouth Museums

In March 2018 Portsmouth City Council was awarded a £79,700 grant to deliver a ‘Wild about Portsmouth project in order to raise the profile of the city’s Natural History collection. In addition to appointing a curator and an assistant, the project enables the development of natural history advocates and a team of volunteers to work on and promote the collection. The project also aims to engage with people in a variety of ways, from family activities to specialist workshops, with the view of participants helping to inform priorities for collection development and new displays.

As a curator with over 20 years’ experience in Hampshire, I have always been aware of the collection but had very little knowledge of it. The last Natural History Curator was 10 years ago and, apart from the occasional request, little had been done to develop the collection. An initial overview showed that the collection was (mainly) in good condition, packed into archival and museum quality boxes awaiting rediscovery.

One of the first tasks was to get an idea of the scope of the collections and their associated collectors. Another task was to recruit volunteers to assist with rearranging the collections to get them into taxonomic order and to catalogue them or update the Modes database with provenance data. To date 10 volunteers have been recruited and are currently working on the geology, shell and botany collections. Once the entomology collections have rehoused over the next few months (the cabinets are currently stored side-on making access to them rather difficult), volunteers will be recruited to re-stage, re-organise and catalogue them.

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Why Cultivated Plants Matter in an Urban Environment

A subject close to our hearts at the Horticultural Taxonomy department of the Royal Horticultural Society is the vastness of the UK cultivated flora – in fact, the latest RHS Plant Finder 2018 lists over 76,000 plants grown in the UK. Stroll through any village, town or city and it is clear that the botanical life of our urban places is dominated by cultivated plants. However, cultivated plants appear only rarely in Floras, the scientific work that catalogues the plant life of a given area. Recording introduced plants is essential if the ecosystems of our towns and cities are to be fully understood.

London street trees providing welcome shade for pedestrians on a sunny day. © Yvette Harvey.

Why Does this Matter?

There is increasing evidence that plants grown for ornament serve more than just an aesthetic function. The flexibility of fauna in adapting to available vegetation has been documented in a 30-year study of a suburban domestic garden (Owen, 2010). The four-year RHS experiment known as Plants for Bugs found that to encourage pollinating insects in gardens the best strategy is to plant a mixture of native and exotic flowering plants (Salisbury et al., 2015). There is also a greater understanding that the human environment can be managed by an informed use of cultivated plants. Examples include the value of street trees and green walls in mitigating heat island effect and the role of green spaces in reducing water runoff.

Pollinators visiting an ornamental flower bed. © Yvette Harvey.

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Meet the Committee – Donna Young

What is your role on the NatSCA committee?

My main role over for the last four years has been organising our annual conferences at York, Bristol, Derby and Cambridge museums.

There’s a lot of work involved in putting the programme together and it’s a great team effort, along with our fantastic treasurer and the staff based at the various venues. I have found it very rewarding to see us expand our audience and develop our programme themes.

I am currently a member of the of the journal editorial board and NatSCA bursaries/grants sub-committee.

Job Title & Institution

Curator of the Herbarium: World Museum, National Museums Liverpool.

Twitter Username

@HerbariumDonna

Donna Young, hard at work on the herbarium. (C) National Museums Liverpool.

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