Osbeckia.] lvii. melastomace-se (hooker). 443 



3. O. senegambiensis, Chiill. et Perr. Fl. Seneg. i. 310. Stems 

 many, from a woody rootstock, 1-1 J ft., ascending-, stout, branched, 

 acutely 4-angled, scabrid ; nodes with long spreading* bristles. Leaves 

 f-Ljin. by J-fin., coriaceous, elliptic or oblong-lanceolate, acute, 

 pungent, 3-nerved, margins cartilaginous, obscurely serrate, equally 

 strigillose on both surfaces ; petiole to~\ in. Flowers f in. diameter, 

 in short terminal racemes, shortly, pedicelled ; bracts shorter than the 

 calyx, ovate, concave, scarious, deciduous. Calyx-tube J in., scabrid, 

 with distant, short, simple or forked bristles ; lobes linear- oblong, 

 bristle-pointed, ciliate, as long as the tube, deciduous ; appendages 

 short, stout. Petals broadly obovate, ciliate, \ in. Anthers all 

 equal and similar, equalling the filaments; connective not produced, 

 2-tubercled. Capsule enclosed in the urceolate, 10-costate calyx-tube, 

 top bristly. 



Upper Guinea. Senegambia, Perrottet! Cape Verd district, Bollinger (in Herb. 

 Gay.) ! 



3. GUYONIA, Naud. ; Benth. et Hook. f. Gen. Plant, i. 745. 



Calyx-tube hemispheric, glabrous or with a few long cilia ; lobes 5, 

 acute, equalling the tube, persistent. Petals ovate-lanceolate, acute. 

 Stamens 8 or 10, equal ; anthers similar orbicular-ovoid, pore minute, 

 connective produced at the base and jointed on the apex of the fila- 

 ment with a minute tubercle at the joint. Ovary almost adherent, top 

 tumid, glabrous ; style flexuous ; stigma capitate. Fruit capsular ? 

 Seeds cochleate. — Slender, glabrous, or sparsely ciliate, branched, 

 annual herbs. Stems filiform. Leaves small, petioled, membranous, 

 rhombic-ovate, subobtuse, serrulate. Flowers axillary, solitary or few, 

 rose-coloured. 



blowers 5-merous 1. G. tenella. 



Flowers 4-merous 2. G. ciliata. 



1. G. tenella, Naud. in Ann. Se. s6r. 3, xiv. 150, t. 6. Glabrous. 

 Branches 6-10 in., many, erect, from a creeping stem. Leaves J— Jin. 

 long and broad j petioles ^-\ in. Flowers shortly pedicelled, ^ in. 

 diameter, 5-merous. 



Upper Guinea. Rare in marshes and rivulets of Senegambia, Eeudelot. I have 

 seen no specimen. 



2. G. ciliata. Hook. f. Sparsely ciliate with slender pale bristles 

 on the stem and leaves above. Stem 4-angled, erect from a prostrate 

 rooting base. Leaves about | in. long and broad, glaucous beneath. 

 Flowers solitary, 4-merous. Calyx-tube with a few long cilia ; lobes 

 4, subulate-lanceolate, with long bristles. Petals not seen. 



Upper Guinea. Sierra Leone, Afzelius ! 



Possibly a ciliate 4-merous state of G. tenella. I have seen only a single specimen. 



