FLORA OF TROPICAL AFRICA. 



Okder LXXXVITT. HYDROPHYLLACE^. (By J. G. Baker, 

 with additions by N. E. Brown.) 



Flowers hermaphrodite, regular. Calyx inferior, deeply divided or 

 cut to the base; lobes usually 5, rarely 8-12, imbricate or open in 

 estivation. Corolla gamopetalous, various in shape ; lobes usually 5, 

 rarely 8-12, '.cate. Stamens as many as the corolla-lobes, 



inserted at the sinuses or low down in the corolla-tube ; filaments 

 filiform or dilated at the base ; anthers 2-celled, dehiscing longi- 

 tudinally. Hypogynous disk or inconspicuous. Ovary superior 

 1 -celled with 2 parietal placentas or 2-celled ; ovules 2 or more 

 to each placenta ; style filiform, usually bifid ; stigmas capitate. 

 Fruit usually a loculicidally 2-valved capsule. Seeds oblong, globose 

 or angled ; testa usually tubercled, reticulate or rugose ; albumen 

 copious, fleshy ; embryo small. — Annual or perennial herbs, rarely 

 undershrubs, Stem-leaves usually alternate. Flowers in scorpioid or 

 trichotomous cymes, or racemes or clusters. 

 Species about 150, mostly American. 



Calyx-lobes, corolla-lobes and stamens 8-12 . . 1. CoDON. 



Calyx-lobes, corolla-lobes and stamens 5 . . .2. Htdeolea. 



1. CODOW, Linn. ; Benth. et Hook. f. Gen. PL ii. 830. 



Calyx 8-12-lobed almost to the base ; lobes linear, open in sestivation. 

 Corolla-tube campanulate, plaited ; lobes 8-12, oblong. Stamens 8-12, 

 inserted at the base of the corolla-tube and connected with it by thin 

 or much compressed partitions at the base of the filiform filaments ; 

 anthers oblong. Ovary ovoid, 2-celled ; style filiform, bifid to about 

 halfway down ; stigmas simple, small ; ovules numerous. Capsule 

 2-valved, enveloped in the persistent calyx. Seeds numerous, angular, 

 covered with large flattened bladdery cells. — Coarse, erect herbs ; stems, 

 leaves and calyx covered with spreading spines. Leaves alternate, 



VOL. IV. — SEC. 2 B 



