RUBIACER. | | 7 
Tribe II. CINCHONE. 
Cinchonee, Benth. et Hook. Gen. Plant. i. pp. 8, 10. 
There are thirty-six genera in this tribe, which is represented in nearly all tropical 
countries except Australia, but by far most numerously in Tropical South America. 
3. MACROCNEMUM. 
Macrocnemum, P. Br. Hist. Jam. p. 165 ; Benth. et Hook. Gen. Plant. i. p. 35. 
Lasionema, Don in Trans. Linn. Soc. xvii. p. 141. 
About ten shrubby and arboreous species, inhabiting Tropical America and the West 
Indies. » | 
1. Macrocnemum exsertum, CErst. in Vidensk. Meddel. 1852, p. 23. 
Costa Rica (Grsted). 
2. Macrocnemum glabrescens, Wedd. in Ann. Sc. Nat. sér. 4, i. p. 76. 
Lasionema glabrescens, Benth. Bot. Voy. ‘ Sulphur,’ p. 105. 
Costa Rica, Nicoya (Hinds); Panama, common about Lion-Hill railway-station 
(S. Hayes), river Chagres (Seemann).—Cotompia. Hb. Kew. 
. A, BOUVARDIA. 
Bouvardia, Salisb. Parad. Lond. t. 88; Benth. et Hook. Gen. Plant. ii. p. 36. 
Herbs and shrubs, inhabiting Mexico, Guatemala, and Colombia, and most numerous 
in the first country. The genus probably comprises about thirty species; but, as it is 
greatly in need of revision, the number is uncertain. 
1. Bouvardia angustifolia, H. B. K. Nov. Gen. et Sp. iii. p. 384; Schl. in 
Linnea, xxvi. p. 60. 
South Mexico, near San Augustin de las Cuevas and Moran, at 6600 to 7800 feet 
(Humboldt & Bonpland), Misteca Alta and Sierra de Yavesia, near Oaxaca, at 5000 
to 7500 feet (Galeotti, 2650c). Hb. Kew. 
2. Bouvardia bicolor, Kze. in Linnea, xx. p. 24; Schl. in Linnea, xxvi. p. 63. 
_MExIco. 
3. Bouvardia cavanillesii, DC. Prodr. iv. p. 366. 
Bouvardia multiflora, Schl. in Linnea, xxvi. p. 86. 
South Mexico, mountains of Juquila (Hartweg), Cumbre de Estepa (Liebmann). 
Hb. Kew. 
4. Bouvardia chlorantha, Bertol. ex Schl. in Linnea, xxvi. p. 64. 
Houstonia chlorantha, Bertol. Elench. p. 5. 
MEXICO. 
