ORCHIDE. 221 
7. Hexadesmia rhodoglossa, Rchb. f. in Bonplandia, 1856, p. 328. 
Mexico, imported and cultivated by Consul Schiller of Hamburg. 
8. Hexadesmia sessilis, Rchb. f. in Refug. Bot. ii. sub t. 113, et in Linnea, 
xli. p. 84. | 
South Mexico, Trapiche de Santa Afia (Galeotti, 5331). 
9. Hexadesmia stenotepala, Rchb. f. in Bonplandia, 1855, p. 221; Xenia 
Orch. i. p. 169, t. 59; Beitr. Orch. Centr.-Am. p. 56. . 
NicaraGua, Tortuga (Grsted). 
In Kew herbarium there is an unnamed species of this genus (2) collected by Galeotti 
(n. 5030) in the Cordillera of Oaxaca, near the Pacific, at 3000 to 6000 feet. 
Polystachya minuta, A. Rich. et Gal. in Ann. Sc. Nat. sér. 3, iii. p. 27, est forsan 
Hexadesmia ex Rehb. f. in Walp. Ann. vi. p. 644. 
26. ALAMANIA. 
Alamania, Liav. et Lex. Nov. Veg. Descr. fasc. ii., Orch. Opusc. p. 31; Benth. et Hook. Gen. 
Plant. ii. p. 526. 
An imperfectly known Orchid. 
1. Alamania punicea, Llav. et Lex. Nov. Veg. Descr. fase. ii., Orch. Opusc. 
p. 31; Lindl. Gen. et Sp. Orch. Pl. p. 153; Benth. Pl. Hartw. p. 72. 
Epidendrum puniceum, Rechb. f. in Walp. Ann. vi. p. 323. 
South Mexico, near Vallisoleta (La Llave), Mount Talina (Hartweg). Hb. Kew. 
27. PLEURANTHIUM. 
Pleuranthium, Lindl. in Hook. Journ. Bot. iii. p. 81 (Epidendri sect.) ; Benth. et Hook. Gen. Plant. 
il. p. 526. 
About five or six species, whereof one inhabits Brazil, two Colombia or Peru, one 
Guatemala, and one Cuba. 
1. Pleuranthium, sp. 
GUATEMALA, without locality (Skinner). Hb. Kew. 
The specimen is insufficient for description. 
28. DIACRIUM. 
Diacrium, Lindl. in Hook. Journ. Bot. iti. p. 81 (Epidendri sect.) ; Benth. in Journ. Linn. Soc. 
Xvili. pp. 812 et 818; Benth. et Hook. Gen. Plant. iii. p. 526. 
In addition to the following there is a fourth species in the West Indies. 
1. Diacrium bidentatum, Hemsley. 
Epidendrum bidentatum, Lindl. Gen. et Sp. Orch. Pl. p. 98; Fol. Orch. n. 81; Walp, Ann. vi. 
— p. 845. 
Mexico, a sketch in the Lindley herbarium at Kew. 
