40 



PROCEEDINGS OF THE 



Scotland, Switzerland, and Madeira. In India he threw himself 

 into the pursuit with immense energy. Tor a full account of his 

 Indian journeys, reference should be made to the ' Kew Bulletin,' 

 1906, n. 7, pp. 272-274, where Lieut.-Colonel Prain has di-awn up 

 a statement showing the use made of long holidays to explore 

 distant parts of India, from Assam to Kashmir and from Sikkim 

 to Madras. His field-numbers were extensive : his first herbarium 

 contained 25,000 plants in 5000 species, and he appended field- 

 tickets each evening giving full particulars, so that his specimens 

 possess a very high value. He presented the whole to the Royal 

 Botanic Gardens, Kew — the first part in 1877, the last in 1888. 



On his final home-coming in 1887, he settled at Kew, living 

 with his brother, Poulter Clarke, and working assiduously all day 

 in the Herbarium. Trom this time onward his attention became 

 concentrated on the Cyperaeeae, though not exclusively, for he 

 still continued to work at Acanthaceae, and two memoirs on these 

 plants are awaiting publication. 



On Cyperacese he had become an acknowledged authority, and 

 foreign collections came to be named, and herbaria containing 

 types were freely lent to Kew for his examination. The fruits 

 of these labours appeared from time to time in papers on sections 

 of floras, of which the principal may be mentioned, as follows : — 

 In our own issues, ' Transactions ' : the I^erns of Northern India, 

 in 1880, as previouslv mentioned ; the Cyperacese of the Malay 

 Peninsula (1893), Mt.Kinabalu (1894), and Matto Grosso (1895) ; 

 also the Commelinacese of the last region (1895). In our ' Journal' : 

 the Commelinacese of Bengal (1870) ; Indian Gentianacese (1875) ; 

 Botanic Notes from Darjeeling to Tonglo (1876) ; Indian Begonias 

 (1880); Madagascar Species of Cyperus (1883); Hemicarex of 

 Bentham (1883); Indian Species of Cyperus (1884); Plants of 

 Kohima and Muneypore (1889) ; authentic Cyperacese of Linnseus 

 (1894); the Subsubareas of British India [=on distribution of 

 Cyperacese] (1898) ; the Cyperacese of the Chinese Plora (1903-4) 

 and Carices of Malaya (1904), In our 'Proceedings,' his two 

 Presidential Addresses (1895-6). The ' Philosophical Trans- 

 actions,' B. (1892) : on Biologic Regions and Tabulation Areas, 

 with map. In the ' Journal of Botany ' : a revision of Leea 

 (1881) ; Eleocliaris of Europe (1887) ; and 17 smaller papers and 

 reviews. Engler's ' Botanische Jahrbiicher ' (1901-6) contain 

 three papers, the longest on Chilian Cyperacese ; the ' Botanisk 

 Tidsskrift ' also three ; ' Bulletin de I'Herbier Boissier ' eight, the 

 chief being Clarke's determination of Hassler's Sedges (1903). 

 He was also responsible for Acanthaceai and Commelinacese in the 

 ' Cape Flora'; and with Mr. J. G. Baker worked up the Gesneracese 

 for ' Tropical Africa,' and completed the Acanthacese, which had 

 been begun by Mr. Burkill, for the same work, from p. 44 to p. 262. 

 A detailed list will be found in the ' Kew Bulletin ' already men- 

 tioned, pp. 276-281. The last memoirs of his to see the light are 

 his posthumous " Cyperacese of the Philippines : a List of the 

 Species in the Kew Herbarium," in the ' Philippine Journal of 

 Science : Botany,' vol. ii. April 1907, pp. 77-110 ; and the 





