DEPARTMENT OF BOTANY. 163 



Department of Botany. 



I. — Arrange merit and Conservation.. 



During the past year 12,722 specimens have been incorporated 

 with tlie Herbarium. This number includes 11,625 Flowering 

 Plants, 6 Ferns, 431 Mosses, 132 Hepatics, 52 Algse, 209 Fungi, 

 and 267 Lichens, 



Flowering Plants. — Collections acquired during the year have 

 been mounted and incorporated wholly or in part; and unincor- 

 porated material of the families of Polypetalous Dicotyledons 

 and of the Orchidacese, Cyperacese and Graminese has been 

 sorted and in part arranged in genera and species. Work of 

 revision and incorporation has been done in various families and 

 genera, especially Orchidacese, Euphorbiacese, and the families 

 of Apetalous Dicotyledons. Several genera have been rearranged 

 in accordance with recent monographs. In the British and Euro- 

 pean Herbarium progress has been made with the selection and 

 incorporation of the named material, and with the formation of 

 a collection of British seeds. A large number of duplicate 

 specimens have been sorted and arranged for purpose of exchange. 



Cryptogams. — The important collection of West Indian Ferns 

 by Mr, R. V. Sherring has been sorted and in part compared with 

 the Herbarium, and work of revision has been done in the genus 

 Hymeno-phyllum. Work of incorporation has been done in various 

 groups, especially the Sphagnum mosses, Welwitsch's Angolan 

 fungi, and the microfungi generally. The selection of the Stirton 

 collection of lichens has been completed, and progress has been 

 made with the formation of an Herbarium of Extra-European 

 Lichens. 



Exhibition Series. — ^Work of maintenance has been done in 

 the various series in the Public Gallery, and new specimens have 

 been added and labelled. Four large photographs illustrating 

 the vegetation of the Ruwenzori Range in Central Africa, pre- 

 sented by Lord Rothschild, have been placed on exhibition. A 

 number of specimens of British and cultivated plants have been 

 specially collected and prepared for exhibition. 



Catalogues and Guides. — Volume TV. of the Flora of Jamaica 

 by Mr. Fawcett and Dr. Rendle has been published, and steady 

 progress has been made with the preparation of Volume V. A 

 Handbook of Briitish Lichens has been prepared by Miss A, 

 Lorrain Smith and in part printed. 



II . — Investigations . 



Collections have been investigated and determined from the 

 following localities and collectors : — Macedonia (various col- 

 lectors), Dardanelles (Cheesman), Palestine (Dinsmore), N.W. 

 Himalaya (G. E, Benham), Annam (Kloss), Papua (White), 

 Java, Sumatra and New Guinea (H, 0. Forbes), Middle Atlas 



