252 ORCHIDEZ. 
9. Zygopetalum moritzii, Rchb. f. in Walp. Ann. vi. p. 658. 
Kefersteinia stapelioides, Rchb. f. in Bot. Zeit. 1852, p. 634, et Xenia Orch. i. p. 69, t. 25. 
Central America (ex Retchenbach).—VENEZUELA. 
10. Zygopetalum wendlandi, Rchb. f. Beitr. Orch. Centr.-Am. p. 74. 
Costa Rica, at the foot of the Volcan de Irazu (Wendland). 
43. LYCOMORMIUM. 
Lycomormium, Rehb. f. in Bot. Zeit. 1852, p. 8833; Walp. Ann. vi. p. 611; Benth. et Hook. Gen. 
Plant. ii. p. 545. 
Two or three species inhabiting Colombia and Central America. 
1. Lycomormium cerinum, Benth. in Journ. Linn. Soc. Lond. xviii. p, 321. 
Peristeria cerina, Lindl. Bot. Reg. t. 1953; Walp. Ann. vi. p. 607. 
Centra AMERICA (Knight). Hb. Kew. 
44. XYLOBIUM. 
Xylobium, Lindl. Bot. Reg. sub t. 897, Benth. et Hook. Gen. Plant. iii. p. 547. 
A Tropical-American genus, of which sixteen species are known. 
1. Xylobium brachypus, Hemsley. 
Mazillaria brachypus, Rchb. f. Bot. Zeit. 1852, p. 734, Walp, Ann. vi. p. 507, et Beitr. Orch. 
Centr.-Am. p. 30. 
Nicaracua, San Juan (Warscewicz). Hb. Kew. 
2. Xylobium concavum, Hemsley. 
Maxillaria concava, Lindl. Bot. Reg. 1844, Misc. p. 4; Walp, Ann. vi. p. 511; Lindl. & Paxt, FI. 
Gard. i. p. 53, fig. 159. 
GuatEeMa.a (Hartwegq). 
3. Xylobium elongatum, Hemsley. | 
Masillaria elongata, Lindl. & Paxt. Fl. Gard. iii. p. 69, fig. 264; Walp. Ann. vi. p. 508; Rchb.f. 
Beitr. Orch. Centr.-Am. p. 30. 
CentTRAL AMERICA, without locality (Skinner); Costa Rica, San Ramon (Wendland) ; 
Panama, Cordillera of Chiriqui (Warscewicz). Hb. Kew. 
4. Xylobium stachyobiorum, Hemsley. 
Masxillaria stachyobiorum, Rehb. f. in Bot. Zeit. 1852, p. 735. 
NicaraGua (Tate); Panama, Chiriqui at 6000 to 8000 feet (Warscewicz). Hb. Kew. 
45. LACANA. 
Lacena, Lindl. Bot. Reg. 1843, Misc. p. 60; Benth. et Hook. Gen. Plant. iii. p. 547. 
Confined te Mexico and Central America. 
