18 ORCHIDACEM 



to note the amount of reduction or enlargement of the figures, as 

 the magnitude of the parts is given in the descriptive text. 



The species comprised in my first list of Philippine orchids, 

 published in fascicle 1 of Orchidace^:, are not included in this 

 one, unless additional notes concerning them have been deemed 

 necessary, or new collections made which throw light on distribu- 

 tion and habitat. 



As several changes in the names of species occur, necessitated 

 by the adoption of the noraenclatorial rules established by the 

 recent Vienna Botanical Congress, a more exhaustive bibliogra- 

 phy is here attempted than in the first list, in order that the liter- 

 ary history of each species may be studied and the results of the 

 application of priority rules followed. Bibliographical references 

 that throw no light on the species and add nothing important to 

 the history of the subject are omitted as needlessly cumbersome. 

 In addition to the distribution of species in the Philippines, the 

 occurrence in other countries is noted of those species which are 

 not endemic. When authentic specimens have not been seen 

 from the extra-limital territories cited, reliance is placed on the 

 works of other authors in giving the distribution of species out- 

 side the Philippines. 



In the case of new species here described, the type, unless 

 otherwise specified, is understood to be the first specimen cited, 

 and is deposited in the herbarium of the Bureau of Science at 

 Manila. Cotypes are usually to be found in my herbarium. 



DIANDR^E 



PAPHIOPEDILUM Pfitzer 



P. ROTHSCHILDIANUM (Reichb. f.) Stein Orchideenb. 482 

 (1892); Pfitzer in Engler's Bot. Jahrb. 19: 41 (1894), and Eng- 

 ler's Pflanzenr. 4, 50, p. 58 (with vars. Elliottianum, platytoe,- 

 nium, etc.) ; Hallier Ann. Jard. Buitenz. 14 : 44 (1896); Kerchove 

 Livre des Orch. 455 ; Rolfe Orch. Rev. 4 : 363 (1896). — 



