12 RUBIACEA. 
7. CALYCOPHYLLUM. 
Calycophyllum, DC. Prodr. iv. p. 367 (excl. sp. 2 et-3); Benth. et Hook. Gen. Plant. ii. p. 38. 
Two or three arboreous species inhabiting Tropical America, from Mexico to the 
Amazons river. 
1. Calycophyllum candidissimum, DC. Prodr. iv. p. 367. 
Macrocnemum candidissimum, Vahl, Symb. ii. p. 38, t. 30. 
Souta Mexico, Chacalapa Estata (Liebmann); Say SatvaDor, Conchagua (Hinds); 
Honpvuras, Gulf of Fonseca (Sinclair); Nicaragua (Girsted) ; Panama, Paraiso railway- 
station (S. Hayes, 441).—CotomBia, Guiana, Cusa. Hb. Kew. | 
. . 8. RAVNIA. 
Ravnia, Girst. in Vidensk. Meddel. 1852, p. 49; Benth. et Hook. Gen. Plant. ii. p. 40. 
Limited to the following species, which is an epiphytal shrub. 
1. Ravnia triflora, CErst. in Vidensk. Meddel. 1852, p. 49. 
Costa Rica, Candelaria, at 7000 to 8000 feet (Girsted). Hb. Kew. 
9. COSMIBUENA. 
Cosmibuena, Ruiz et Pav. Fl. Peruv. iii. p. 3, t. 226; Benth. et Hook. Gen. Plant. ii. p. 40. 
A Tropical-American genus of about six shrubby species. 
1. Cosmibuena macrocarpa, Kl. ex Walp. Rep. vi. p. 69. 
Buena macrocarpa, Benth. Bot. Voy. ‘Sulphur,’ p. 104, t. 38. 
Panama, Aspinwall (S. Hayes, 371), Chagres (Fendler, 296).—CotomBia. Hb. Kew. 
2. Cosmibuena skinneri, Hemsley. 
Buena skinneri, Gérst. in Vidensk. Meddel. 1852, p. 26. 
Nicaracua, Volcan de Masaya (Grsted). Hb. Kew. 
This species differs from all the others in the calyx-tube being truncate and entire or 
very minutely toothed. . 
10. COUTARKEA. - 
Coutarea, Aubl. Pl. Gui. i. p. 314, t. 122; Benth. et Hook. Gen. Plant. ii. p. 42. 
Six shrubby and arboreous species, all restricted to Tropical America. 
1, Coutarea flavescens, DC. Prod. iv. p. 350; Calques des Dess. Fl. Mex. 459. 
SourH Mexico (Mogino & Sessé). 
2. Coutarea latiflora, DC. Prodr. iv. p- 350 ; Calques des Dess. Fl. Mex. 458. 
South Mexico (Mogino & Sessé), Puebla (Andrieux, 337)? Hb. Kew. 
