220 XXVI. STEUCULIACE^l (.MASTERS). 



3. COLA, Schott; Benth. et Hook. f. Gen. PI. i. 218. 



Flowers unisexual or polygamous. Calyx 4- or 5-cleft. Petals 0. Column 

 sometimes very short, bearing 10-12 anthers, disposed in a single row ; 

 anther-cells parallel or superposed. Ovary 5-10-celled. Ovules numerous. 

 Styles as many as the cells of the ovary. Fruit of 4 or 5 leathery or woody 

 oblong carpels, ultimately splitting lengthwise. Seeds numerous, obovoid, 

 exalbuminous ; cotyledons thick, sometimes 2-parted ; radicle next to the 

 hilum. — Trees. Leaves entire or lobed. Flowers in axillary clusters. 



Anther-cells divergent, superposed . .... l.C. acuminata. 



Anther-cells parallel. 

 Leaves simple. 



Flowers in dense clusters from the old wood 2. 0. cauliflora. 



Flowers numerous, in axillary clusters. Branches angular . . 3. C. laurifolia. 

 Flowers few, in short axillary clusters. 



Fruit downy, sessile 4. C. Gabonensis. 



Fruit smooth, stipitate, 1-seeded 5. C. clavata. 



Leaves palmately lobed. 



Leaves rounded at the base 6. C.fcifolia. 



Leaves cuneate at the base l.C. heterophylla. 



Leaves cordate at the base. 



Fruit smooth 8. C. Afzelii. 



Fruit densely downy 9. C. quinqueloba. 



Leaves digitate. 



Leaves silvery beneath 10. C. aryentea. 



Leaves not silvery beneath. Fruit splitting early, crimson 



within 11. C. digitata. 



1. C. acuminata, /?. Br. PI. Jav. Ear. 237. A tree, 20-30 feet high, 

 with cylindrical smooth branches. Petioles 1-3 in. long, thickened at the 

 apex ; blades 3-6 in. long, 1-2 in. broad, coriaceous, tapering at the base, 

 oblong-acuminate, entire or slightly sinuous and revolute at the margins, 

 smooth, or when young with a few brownish stelliform hairs, 1-costate, 

 arcuate-venose, often with the lower pair of secondary veins more prominent 

 than the others. Flowers numerous, polygamous, in terminal and axillary 

 cymose panicles. Peduncles shorter than the petioles, stellate-tomentose. 

 Flower-buds subglobose. Calyx cup-shaped, | in. or more in diam., coria- 

 ceous, slightly stellate-tomentose on the exterior, marked with purplish striae 

 on the inner surface; limb 5-6-cleft ; lobes ovate-lanceolate, ultimately 

 spreading. Male fl. : Column slender, much shorter than the calyx, bearing 

 a ring of 10 2-lobed anthers; anther-lobes divergent, superposed. Herma- 

 phrodite fl. : Anthers subsessile in a ring surrounding the base of an oblong 

 stellate-pilose, 5 -lobed, 5-celled ovary. Styles 5, linear, subulate, reflexed. 

 Ovules numerous, anatropal, attached in a double row to the ventral suture of 

 each carpel. Fruit of 5 follicles or fewer by abortion, each one sessile or 

 subsessile, oblong, obtuse or rostrate, coriaceous or woody, smooth or tuber- 

 culate, 3-6 in. long, 2-3 in. thick. Seeds 6-12 id each follicle, oblong, ob- 

 tuse, subtetragonal ; testa purplish, cartilaginous. Cotyledons 2-3-4 or 

 even 5, thick, horny, appressed, flat; radicle directed towards the hilum. — 

 Sterculia acuminata, Pal. de Beauv. Fl. Owar. i. 41, t. 24 • Bot. Mag. 5699. 



