RUBIACEJS. 405 



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

 America, east. Africa and islands.^) 



IV. COFFEES. 



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

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

 5-dentate or lobaite, 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 

 orexserted, 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 longitur 

 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,*6lUptical or cordate; radicle rather 

 long inferior.-^ Fruit glabrous or more rarely pubescent; leaves 

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

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

 connate acuminate, ceraceo-glanduliferous within; flowers axilla;;ry 

 cymose ; cymes variously compound or contracted ; bracteoles some^ 

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

 Africa.) — See p. 275. 



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



*gpec. about 12. "Wall. PI. As. Ear. t. 165. q45.— Bsnth. Fl. Mongk. 161.— HAjfCS, Trim. 



— Gkipp. Notul. iv. 267, t. 479.— Hibrn, Fl. Journ. Bot. (1878) 228,— H. Bn. Adansonia, xii. 



Trop. Afr. iii. 228 {Svphomeris). -Bak. Fl. Maur. 233, n. 194.— Hook. Fl. Ind. iii. 163. 



158.— MiQ. Fl. Ind.-Bai. ii. 267 ; Suppl. 221, ^ Gen, ii. 116, n. 241. 



