ORCHID CONFERENCE. 115 



163. HET^RIA, Blume. 



Thirteen species, from India, Malaysia, Australia, and 

 Tropical Africa. Near Goodyera, but not showy. 



164. Hexadesmia, A. Brongniart. 



Four or five species, from Mexico, Central America, West 

 Indies, and Brazil. See Gard. Chron., 1883, xix., 700. 



165. HEXALECTRIS, Eafin. 



One species, from Southern North America and Mexico, 

 near Corallorhiza and Bletia. 



166. Hexesia, Lindley. 



Three or four species, wild in Mexico, Central America, 

 and Brazil. See Gard. Chron., 1879, xi., 434 ; 1883, 

 xix., 700. 



167. HOFFMEISTERELLA, Keichenbach f. 



One species, from the Andes of Ecuador. 



168. HOLOTHRIX, L. C. Eichard. 



Eighteen or twenty species, from Abyssinia and South 

 Africa. 



169. Hormidium, Lindley. 



Seven species, from Tropical America, Brazil, Cuba and 

 Mexico. See Gard. Chron., 1883, xix., 700 ; Bot. 

 Mag., t. 3233, 6314. 



170. Houlletia, A. Brongniart. 



Five species, from Brazil and Colombia. See Gard. 



Chron., 1879, xi., 434 ; Bot. Mag., t. 4075, 6305. 

 *H. chrysantha, Gard. Chron., 1882, xviii., 437. 

 HUNTLEYA. (See Zygopetalum.) 



171. HUTTON^A, Harvey. 



Two species, from South Africa. 



172. HYLOPHILA, Lindley. 



One species, from Malacca and Malayan Archipelago. 



173. lonopsis, Humboldt, Bonpland, and Kiinth. 



Ten species are known, from Tropical America, Brazil, 



Mexico, and the West Indies. I. paniculata and 



others are showy, but difficult of prolonged cultivation 



See Gard. Chron., 1879, xi., p. 434; Bot. Mag., t. 5541. 



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