Vol. 1 ORCHIDACEAE 357 



DENDROBIUM TOPAZIACUM Ames Orch. 5 (1915) 140. 



Leyte, Weiitzel 0202. Dagami, epiphyte at 60 m altitude. 

 DENDROBIUM UNICORNE Ames Orch. 5 (1915) 140. 



Luzon (LagTina), Leyte, B. S. 14-987 Ramos, Wenzel 0292, 0527, 0563, 

 0872, Epiphyte at 500 to 700 m altitude in Leyte. 



DENDROBIUM UNIFLORUM Griff. Notul. 3 (1851) 305, Icon. PI. Asiat. 

 3 (1851) t, SOS; Ridl. in Trans. Linn. Soc. II 3 (1893) 363, in 

 Journ. Linn. Soc. 31 (1896) 271, 32 (1896) 256, Mat. Fl. Mai. 

 Penin. 1 (1907) 46; Ames Orch. 1 (1908) 91; Kranzl. in Engl. 

 Pflanzenreich IV. 50. II. B. 21 (1910) 185, quoad bibliog. et spec, 

 (excl. descr.) ; Ames in Merr. in Journ. Roy. Asiat. Soc. Straits 

 Branch, Special No. (1921) 166. 

 Dendrobium revolutum Hook. f. Fl. Brit. Ind. 5 (1890) 732, quoad 

 syn. D. imiflorum Griff, et spec. Malacca; Grant Orch. Burma 

 (1895) 118, quoad syn. D. uniflorum Griff, et spec. Malacca; Ames 

 Orch. 2 (1908) 184, quoad syn. D. uniflorum Griff, et spec, 5 

 (1915) 138; Kranzl. in Engl. Pflanzenreich IV. 50. II. B. 21 

 (1910) 185, quoad descr. (excl. bibliog. et spec), non Lindl. 



Luzon (Ilocos Norte, Bataan, Laguna, Sorsogon), Sibuyan, Negros 

 (Occidental Negros), Leyte, Dinagat, Mindanao (Lanao, Agusan, Surigao). 

 Fairly common and of wide distribution in the Philippines. Epiphyte at 

 60 to 700 m altitude. In Malay Peninsula and Borneo (Sarawak). 



Further study of the Philippine material has proved that the species 

 concerned is D. uniflorum Griff, and not its near ally D. revolutum Lindl. 

 with which it has been much confused. 



DENDROBIUM USTERI Schltr. in Usteri Viert. Naturf. Gesell. Zurich 

 56 (1906) 450, in Bull. Herb. Boiss. II 6 (1906) 458; Kranzl. in 

 EngL Pflanzenreich IV. 50. II. B. 21 (1910) 300; Ames Orch. 5 

 (1915) 141. 



Negros, Guimaras, Usteri s. n., Lyon 137. 



DENDROBIUM USTERIOIDES Ames Orch. 5 (1915) 142. 

 Luzon, Mindoro, Lyon 22, F. B. 3693 Merritt 75. 



DENDROBIUM VENTRICOSUM Kranzl. in EngL Pflanzenreich IV. 50. II. 



B. 21 (1910) 209; Ames in Philip. Journ. ScL 7 (1912) Bot 19, 



Orch. 5 (1915) 144. 

 Luzon (Zambales, Sorsogon), Mindanao (Agusan, Surigao, Davao), 

 Loher s. n., 600Jf, Elmer lUU, 1U779, 16U23, Weber 119, 176, 179, Wenzel 

 01156, Black s. n. Epiphyte at low altitudes in Mindanao. 



DENDROBIUM VERRUCULOSUM Ames in Philip. Journ. Sci. 8 (1913) 

 Bot. 426, Orch. 5 (1915) 144. 



Luzon (Ilocos Norte), Leyte, Lyon s. n., 1^3, B. S. 33236 Rainos, Wenzel 

 OHO. Epiphyte. 



