RUB I AC E^. 405 



large, very various in form. {Trop, regions of Asia and Oceania, 

 America^ east. Africa and islands ^) 



IV. COFFEES. 



30. Oofifea L. — Flowers hermaphrodite, 2-morphous, regular, 

 generally 4, 5-merous ; receptacle concave obovate or oblong. Calyx 

 5-dentate or lobate, sometimes subentire, short or subnil, often glan- 

 dular and waxy. Corolla funnel-shaped or hypocrateriform ; tube 

 straight or curved, short or elongate ; throat glabrous or villose, 

 sometimes densely barbate (Lachnostoma) ; lobes oblong, contorted, 

 finally patent. Stamens 4, 5, inserted in throat, 2-morphous ; fila- 

 ments rather long, short or very short ; anthers dorsifixed, enclosed 

 or exserted, finally often contorted or recurved ; cells linear introrse, 

 longitudinally rimose. Germen inferior, 2-celled; disk epigynous 

 rather thick ; style various 2-morphous, branches subulate or filiform 

 ( Lachnostoma), Ovules in cells solitary amphitropous ; hilum ventral ; 

 micropyle extrorsely inferior; placenta more or less dilated around 

 front of ovule and below sometimes more or less thickened to an 

 obturator. Fruit drupaceous, globose or oblong ; pyrenes 1, 2, char- 

 taceous, coriaceous or woody, face flat or rather concave and longitu- 

 dinally sulcate or intruded. Seed conformed to putamen, flat or convex 

 within; margins sometimes incurved or involute; albumen copious 

 horny ; embryo eccentric, dorsal to base of albumen and more or less 

 incurved ; cotyledons foliaceous, elliptical or cordate ; radicle rather 

 long inferior. — Fruit glabrous or more rarely pubescent; leaves 

 opposite or 3-nate, membranous or coriaceous, penninerved entire, 

 petiolate or subsessile ; stipules inter- or intrapetiolar more or less 

 connate acuminate, ceraceo-glanduliferous within; flowei^s axillary 

 cymose ; cymes variously compound or contracted ; bracteoles some- 

 times connate in a calycule. {Asia, Oceania and trap^ cont, and ins. 

 Africa.) — See p. 275. 

 31 ? Leiochilus Hook, f.^ — Flowers of Coffea, 5, 6-merous; calyx 



» Spec, about 12. Wall. PL As, Bar. t. 165, 645,— Benth. Fl. Ho»gk. 161.— Hancb, Trint. 



—Griff. Notul. iv, 267, t. 479,— Hiern, Fl. Journ. Bot. {\^1%) 22%.— E..B^. Adansonia, -ax. 



Trap. Afr. iii. 228 {Siphameris). — Bak. Fl, Maiir. 233, n. 194.— Hook. FL Lid. iii. 153. 



168.— MiQ. FL Ind.'Bai. ii. 267 ; Suppl. 221, « Gen, ii. 116, n. 241. 



