170 MR. W. Р. НЕВМ ON THE AFRICAN SPECIES 
The following key determines the classifieation of the species :— 
Coffeæ speciebus Africanis clavis adaptata. 
Glabre, plerzeque sempervirentes. Flores axillares. 
Calycis limbus brevissimus, annularis vel denticulatus. 
Antherz omnino exsertæ. 
Bracteole obtuse vel apiculate, calyce breviores. Flores glomerati, rarius solitarii. 
Corolla pentamera ее 1. 
Corolla hexamera vel heptamera vel octamera. 
Bacce teretes. Folia subcoriacea. 
Flores glomerati. Folia breviter acuminata, 6-12-polhcaria . . . . 2. 
Flores terni vel gemini vel solitarii. Folia caudato-acuminata, 25-5- 
Нн iE л: 3 
Васса nervis longitudinalibus angulate. - Копа chartacea .. . . = ..4 
Bracteole per paria lanceolate acut: et deltoideo-apiculate, calyce lon- 
BENE DAMEN S oS gr zs... 
Anthere semiinclusee. 
Бассғе utrinque rotundate. Folia chartacea . . . . . . . . . 6. 
Bacce utrinque acute. Folia coriacea. 
Folia 2-3-pollicaria, tenuiter coriacea. Corolla j-polliearis . . . . 7. 
Folia 5—6-роШсагіа, valde coriacea. Corolla j-pollicaris. . . . . 8. 
Calycis limbus latus, lobis 5 rotundatis. 
Stipulz lanceolatz subulatz. Bracteole parve, non foliacee. 
Bacce subglobose, solitariw vel subgemine. Folia 3-9 poll. longa, 
Oe 2222-22-20 
Bacce ellipsoidex. Flores secus ramulos ad axillas fasciculati. Folia 
24 pou: longa, 6-7 poll. lata. . 0; , рю 
Stipulz e basi lata ovata apiculate. Bracteole foliacee . . . . . . . .l. 
Non omnino glabre. Folia decidua. Flores terminales axillaresque vel laterales vel 
ramulos breves laterales terminantes. 
Folia ovalia, puberula vel glabra. 
Antherz omnino exsertz. Flores cum foliis coevi . . . . . . . . . .12. 
Antherz fere incluse. Flores ргаесосез. 
Bracteole herbacez. Calycis limbus truncatus vel denticulatus. Corolla 
9... Co oe ; ТЕ. 
Bracteole glumacee. Calycis limbus rotundate lobatus. Corolla sæpius 
7—6-loba 1 . . . . . . . . . . . . . . . . . . 14. 
Folia ovato-lanceolata, tuberculis plurimis consita, scabra . . . . . . . ‚15. 
1. COFFEA ARABICA, Linn. Sp. РІ. p. 172 (1753). 
C. laurifolia, Salisb. Prodr. Stirp. Hort. Chapel Allert. p. 62. п. 1 (1796), non Kunth. 
ARABICA. 
LIBERICA. 
. STENOPHYLLA. 
ZANGUEBARLE. 
BREVIPES. 
MELANOCARPA. 
MAURITIANA. 
MACROCARPA. 
HYPOGLAUCA. 
MICROCARPA. 
AFZELII. 
SUBCORDATA. 
RUPESTRIS. 
JASMINOIDES. 
RACEMOSA. 
Hab. Indigenous in Abyssinia, also on the slopes above the Victoria Nyanza ( Grant), 
and in Angola ( Welwitsch), and probably in some of the intervening countries ; cul- 
tivated and often occurring spontaneously in Arabia and nearly all tropical and sub- 
tropical countries, including Madagascar and Natal; said to be wild along the Mozam- 
bique coast [see Klotzsch in Peters, Mossamb. р. 291 (1862)]. It, with its numerous 
cultivated varieties, is the source of most of the coffee of commerce, 
