458 LVII. MELASTOMACE.33 (HOOKER). [Calvoa. 



membranous, ovate, subcordate, acute, obtusely denticulate, 5-nerved, 

 hairs on both surfaces scattered, spreading ; petiole }-l J in. Flowers 

 solitary or few in terminal corymbs, subsessile. Calyx-tube turbinate 

 or obconic, strigose ; limb sinuately 5-lobed. Petals broad. Anthers 

 unequal, linear-oblong, obtuse ; filaments short, flattened ; connective 

 not produced, dilated at the base. Capsule J in., turbinate ; scales 

 projecting beyond the calyx-tube. 



Upper Guinea. Fernando Po, at 6000 ft. elevation, Mann! Flowers very im- 

 perfect. 



10. SAKERSIA, Hook. f. ; Benth. et Hook. f. Gen. Plant, i. 757. 



Calyx-tube hemispheric or campanulate, smooth, glabrous ; limb 

 slightly dilated, obscurely 4- rarely 5-lobed, persistent. Petals 4 

 rarely 5, elliptic- oblong, obtuse, glabrous. Stamens 8, rarely 10, all 

 equal and similar ; filaments long ; anthers linear-subulate, curved, 

 connective much elongate, arcuate, with 2 narrow spheres in front at 

 the base, and none behind. Ovary 4- rarely 5-celled, adherent to the 

 calyx-tube by as many septa, crown minutely bristly ; style filiform, 

 stigma simple. Capsule enclosed in the coriaceous calyx- tube ; crown 

 smooth, hemispheric, 4- rarely 5-valved. Seeds very numerous, 

 elongate, curved, angular, hilum basal ; young, in one species crowned 

 with cellular filaments, in the other naked. — Tropical West African 

 shrubs or small trees; strigillose with rigid bristles. Leaves 3-5- 

 nerved, scabrid. Flowers moderate-sized, in erect, pyramidal, ter- 

 minal panicles j pedicels 2-bracteolate, bracteoles caducous. 



Calyx- tube campanulate. Seeds appendiculate 1. S. africana. 



Calyx-tube hemispheric. Seeds not appendaged 2. S. echinulata. 



1. S. africana, Book. f. A shrub or small tree, 20 ft. Branches 

 obtusely 4-angled, together with the petioles, nerves of the leaf, and 

 panicle substrigose with conical bristle-tipped tubercles ; nodes with 

 large bristles. Leaves 3-5 in. by lf-2in., elliptic-oblong or lanceo- 

 late, acute, 3-5-nerved, obscurely serrulate, scabrid on both surfaces, 

 transverse nerves distinct. Panicle ample, pyramidal, 6 in. long and 

 broad. Flowers J in. diameter, usually 4-merous, solitary or 3-nate, 

 pedicels J— J in., 2-bracteolate at the base; bracteoles 1— 10 th in., ovate, 

 obtuse, concave, deciduous. Calyx-tube campanulate, \ in. Petals 

 rose-coloured ? Anthers \ in., longer than the connective ; filaments 

 as long as the anthers. Young seeds with 2-5 cellular hairs at the 

 top. 



Upper Guinea. Cameroons river, fl. Jan., Mann! 



2. S. echinulata, Hook. f. Branches woody, robust, obtusely 

 4-gonous, strigose, with short stout bristles; nodes much thickened, 

 with long appressed bristles. Leaves not seen. Panicle pyramidal, 

 3-5 in. long and broad ; its peduncle stout, very short (J in.), prickly, 

 rachis and branches stout, terete, smooth, except at the principal nodes 

 which are prickly. Flowers 4-merous ; solitary or 3-nate, 1 in. in 



