ORCHIDE. 299. 
4. Prescottia orchioides, Lindl. in Ann. Nat. Hist. xv. p. 386. 
Souta Mexico, Bolafios (Hartwegq). 
5. Prescottia pachyrhiza, A. Rich. et Gal. in Ann. Sc. Nat. série 3, iii. p. 31. 
Mexico (Galeotti). 
6. Prescottia, sp. | 
Nicaracua, Chontales (Yate). Hb. Kew. 
7. Prescottia, sp. 
South Mexico, Orizaba (Miller, 744). Hb. Kew. 
93. PONTHIEVA. 
Ponthieva, R. Br. in Ait. Hort. Kew. ed. 2, v. p. 199; Benth. et Hook. Gen. Plant. iii. p. 593. 
A genus of about ten published species, inhabiting America, from North Carolina 
through the West Indies and Mexico to Bolivia. 
1. Ponthieva ephippium, Rchb. f. in Linnea, xxviii. p. 382. 
Soutna Mexico (Schaffner). 
2. Ponthieva glandulosa, R. Br. in Ait. Hort. Kew. ed. 2, v. p. 200; Lindl. 
Gen. & Sp. Orch. Pl. p. 444; Rchb. f. Beitr. Orch. Centr.-Am. p. 46. 
Neottia glandulosa, Sims, Bot. Mag. t. 842. 
Nort Carouina to Florida and the West Inpizs.— Mexico, Mirador (Sartorius), San 
Cornelio (Hartweg) ; Costa Rica, Cartago (@rsted).—Ecuapor? Hb. Kew. 
3. Ponthieva guatemalensis, Rchb. f. Beitr. Orch. Centr.-Am. p. 63. 
GUATEMALA, in a ravine near the city of Guatemala ( Wendland). 
4. Ponthieva oblongifolia, A. Rich. et Gal. in Ann. Sc. Nat. série 3, ili. p. 30. 
Mexico ((raleotti). 
5. Ponthieva, sp. (P. guatemalensis, Rchb. f.%) 
GuateMata (Tiirckheim). Hb. Kew. 
6. Ponthieva, sp. 
Sout Mexico, Orizaba (Miller, 452). Hb. Kew. 
94, PSEUDOCENTRUM. 
Pseudocentrum, Lindl. in Journ. Linn. Soc. Lond. iii. p. 63; Benth. et Hook. Gen. Plant. iii. p. 594, 
Of this genus there are five published species, and they inhabit Central America, the 
Andes, and Jamaica. 
1. Pseudocentrum hoffmanni, Rchb. f. in Linnea, xi. p. 53. 
Pelexia hoffmanni, Rchb. f. Beitr. Orch. Centr.-Am. p. 102. 
_ Costa Rica, Volcan de Barba (Hoffmann). 
