ORCHIDEA. 253 
1. Lacena bicolor, Lindl. Bot. Reg. 1843, Misc. p. 60, et 1844, t. 50; Walp. 
Ann. vi. p. 612; Ill. Hor. t. 33 (var. glabrata). 
Peristeria longiscapa, A. Rich. et Gal. in Ann. Sc. Nat. série 3, ili. p. 25. 
SoutH Mexico, Oaxaca ((thiesbreght); GUATEMALA, near Quezaltenango (Hartweg). 
Hb. Kew. . 
2. Lacena spectabilis, Rchb. f. in Bonplandia, 1854, p. 92, Walp. Ann. vi. 
p. 612, et Beitr. Orch. Centr.-Am. pp. 24 et 74; Bot. Mag. t. 6516. 
Nauenia spectabilis, Kl. in Otto & Dietr. Allg. Gart. Zeit. 1853, p. 193. 
Costa Rica, Naranjo (Wendland). Hb. Kew. 
46. SIEVEKINGIA. 
Sievekingia, Rchb. f. Beitr. Syst. Pflanzenk. (1871), p. 3; Benth. et Hook. Gen. Plant. iii. p. 477. 
A monotype. 
1. Sievekingia suavis, Rchb. f. Beitr. Syst. Pflanzenk. p. 3. 
Costa Rica (Endres). 
47. COSLIOPSIS. 
Celiopsis, Rchb. f. in Gard. Chron. 1872, p. 9; Benth. et Hook. Gen. Plant. iii. p. 477. 
A monotype. 
1. Celiopsis hyacinthosma, Rchb. f. in Gard. Chron. 1872, p. 9. 
Panama (W. W. Saunders cult.). 
48, LYCASTE. 
Lycaste, Lindl. Bot. Reg. 1843, Mise. p.14; Benth. et Hook. Gen. Plant. iii. p. 547. 
This genus is restricted to Tropical America, ranging from Mexico and the West 
Indies to Peru. About twenty-five species are known. 
Colax modestior, Rchb. f. (Hamb. Gart. Zeit. 1860, p. 14), from Guatemala? is 
probably a species of this genus in the sense of Bentham and Hooker. 
1. Lycaste aromatica, Lindl. Bot. Reg. 1843, Misc. p. 16; Walp. Ann. vi. 
p- 600. , 
Mazillaria aromatica, Grah. in Hook. Exot. Fl. t. 219; Bot. Reg. t. 1871. 
Colax aromaticus, Spreng. Syst. Veg. iv. Cur. Post. p. 307. 
Mexico (Lord Napier). 
2. Lycaste candida, Lindl. in Lindl. & Paxt. Fl. Gard. ii. p. 37, figg. 151 et 
152, obiter et sub falso nomine L. leucantha, Klotzsch, fide Rchb. f. in Walp. Ann. vi. 
p. 604, et Beitr. Orch. Centr.-Am. p. 29, t. 5. 
Mazxillaria (Lycaste) brevispatha, Kl. in Otto & Dietr. Allg. Gart. Zeit. 1851, p. 217. 
Lycaste et Mazillaria biseriata et sordida, K\. ex Rchb. f. Beitr. Orch. Centr.-Am. p. 29. 
Costa Rica (Warscewicz). Hb. Kew. 
