58 COFFEE 



Geographical Distribution : — Grand Comoro Island. 



History: — This variety was discovered in the Grand Comoro 

 Island, where it is now cultivated to a small extent and furnishes 

 a very excellent coffee. 



BibHography: — Froehner in Engl. Bot. Jahrb. 25 (1898) 264. — Le- 

 comte Le Cafe (1899) 26. 



Economic and Cultural Reference: — Hartwich Die Menschlich. 

 Genuszm. (1911) 277. 



Coffea arabica L. var. Humblotiana (Baill.) Froehner in Engl. 

 Bot. Jahrb. 25 (1898) 264. 



A very tall tree, up to 25 M., with gray, shriveled bark. Leaves 

 glabrous, pointed, cuneiform at the base, narrowed; petiole i cm. 

 long. Flowers pedunculate, 2.5 cm. long and wide; peduncle i 

 cm. long, corolla-tube broadly lanceolate ; small glandular calyx-mar- 

 gin. Fruit black, obovate, 1.5 cm. long, smooth, with longitudinal 

 furrows; seeds over i cm. long. 



Synonymy: — Coffea Humblotiana Baill. in Bull. Soc. Linn. Par. 

 I (1895) 514- — (Baill.) Froehner in Notizbl. d. Kgl. Bot. Mus. 7 

 (1897) 234. — Raoul Cult. Cafeier in Man. Cult. Trop. de Raoul 

 and Sagot pt. i, 2 (1897) 238. — ^Wehmer Pflanzenstoffe (1911) 



734. 



Geographical Distribution: — Grand Comoro Island. 



History: — ^This variety was discovered in the Grand Comoro 

 Island where it is now cultivated to a slight extent by the natives. 

 This variety is devoid of caffeine (0.00%) according to the analysis 

 by M. le professeur Bertrand. 



Bibliography: — Froehner In Engl. Bot. Jahrb. 25 (1898) 264. — 

 Lecomte Le Cafe (1899) 25. 



Economic and Cultural References: — Bertrand in Compt. Rend. 141 

 (1905) 209; 132 (1901) 161. — Hartwich Die Menschlich. Genuszm. 

 (191 1 ) 277, 300, 825. — ^Wehmer Pflanzenstoffe (191 1) 734. 



Coffea arabica L. var. amarella Hort. ex Froehner in Engl. Bot. 

 Jahrb. 25 (1898) 263. 



A small tree bearing leaves 4.5 cm. to 6.0 cm, wide by 12.5 cm. 

 to 18.0 cm. long. Fruit yellow, with a remarkably high caffeine-con- 

 tent; rare. 



Common Names: — Botucatu Coffee; Golden Drop Coffee; Ama- 

 rillo Coffee. 



