PREFACE V 



Clemens, Dunn, Ducloux, Delavay, Farges, Faurie, Ford, Groff, 

 Henry, Hu, Ito, Kanehira, Katsumacla, Kawakami, Levine, Na- 

 kahira, Merrill, McClure, Maire, Steward, Sasaki, Taquet, 

 Ts'oong, Tutcher, Wilson, and Wichura. The flora of some parts 

 of the Malay Archipelago is particularly well represented by 

 botanical material from the following collectors and botanists : 

 Achmad, Agama, Amdjah, Backer, Backhuizen, Blume, Beguin, 

 Beccari, Bartlett, Bunnenmeyer, Clemens, Elmer, Forbes, Fox- 

 worthy, Gjellerup, Hallier, Haniff, Hose, Kloss, Koorders, Kor- 

 thals, C. King, La Rue, Lorzing, Mousset, Moulton, Nieuwenhuis, 

 Ramos, Robinson, Raciborski, Schlechter, Teysmann, Topping, 

 Versteeg, Villamil, Warburg, Winkler, Wood, and Yates. The 

 flora of some parts of Polynesia is fairly well represented by 

 collections made by the following individuals : Heller, Hombron, 

 Le Batard, Le Guillou, McGregor, Nelson, Setchell, Thompson, 

 Vaupel, Vesco, and Volkens. The flora of New Caledonia is 

 particularly well represented by an extensive series of collec- 

 tions made by the following individuals : Balansa, Cribs, De- 

 planche, Franc, Germain, Lecard, Le Rat, Pancher, and Vieillard. 

 The duplicates of botanical material secured by the older 

 collectors have in large part been obtained in exchange from 

 European botanical institutions, notably the British Museum 

 (Natural History), the Edinburgh Botanic Garden, the Paris 

 Museum of Natural History, the Berlin Botanic Garden, and the 

 Rijks Herbarium, Leyden; thus, from the Berlin institution 

 more than 8,000 specimens have been secured; from the Paris 

 Museum, more than 12,000 specimens; from the British Museum, 

 about 6,000 specimens; and from the Edinburgh Botanic Garden, 

 3,500 specimens. An extensive series of exchanges has been 

 carried on with botanic institutions in different parts of India, 

 Malaysia, and Australia; more than 12,000 specimens from the 

 Malay Archipelago have been received from the Buitenzorg 

 Botanic Garden in Java, about 5,000 specimens from the Malay 

 Peninsula have been received from the Botanic Garden at Sin- 

 gapore, and the Australian flora is represented by somewhat over 

 10,000 specimens secured in exchange with various botanic insti- 

 tutions in Australia. The large exchanges received from the 

 Paris Museum have been particularly rich in material from Indo- 

 China, China, and New Caledonia ; the material from the British 

 Museum has been largely from British India, with miscellaneous 

 collections from China and New Guinea; the material received 

 from the Edinburgh Botanic Garden has been largely from India 

 and China. The large amount of extra-Philippine material from 



