ORCHID CONFERENCE. 125 



1879, xi., 75; Bot. Mag., t. 1437 (Cymbidium) ; Bot. 

 Reg., 1. 1804 ; Saunders' Eef. Bot., t. 105 (Mamllaria 

 densa). 



230. Ornithocephalus, Hooker. 



Twenty species, from Tropical America, Brazil, and Mexico. 

 Small-growing epiphytes of no great beauty. Gard. 

 Chron., 1879, xii., 75. 



231. ORNITHOCHILUS, Wallich. 



Two species, from the Himalayas and Burmah. 



232. ORTHOCERAS, R. Brown. 



One species, from Australia and New Zealand. Fitzgerald, 

 Australian Orchids, with plate. 



233. Osyricera, Blume. 



One species, from Java, approaching Bulbophyllum. See 

 Gard. Chron., 1882, xviii., 427. 



234. OTOCHILUS, Lindley. 



Three or four species, from the Himalayas and Burmah. 

 Near Coelogyne. See Bot. Mag., t. 3921. 



235. PACHITES(?), Lindley. 



One species, from South Africa. 



236. Pacyphyllum, Humboldt, Bonpland and Kiinth. 



Six or seven species, from the Andes of Tropical America. 

 Near Lockhartia, or Fernaiidezia. See Hooker, Icon. 

 Plant., t. 117; Gard. Chron., 1879, xii., 75. 



237. Pachystoma, Blume. 



Ten species, native of India, Malayan Archipelago, and 

 Tropical Africa. P. Tlwmpsonianum is a very beautiful 

 species, now and then seen in cultivation. Ipsea is 

 now included here. See Gard. Chron., 1882, xviii., 

 500 ; Bot. Mag., t. 5701, 6471. 

 *P. speciosum Thompsoni, Gard. Chron., 1879, xii., 625 ; 



1882, xviii., 501. 

 PALUMBINA (see Oncidium). 

 *P. Candida, Gard Chron., 1865, 793. 



238. Panisea, Lindley. 



One or two species, from the Himalayas. Related to 

 Coelogynes and Bulbophylls. Gard. Chron., 1882, 

 xviii., 427. 



PAPHINIA (see Lycaste), Orchid Album, t. 34, 145. 



