Tardavel] LXix. rubiace^. 507 



filiform, exceeding the calyx ; the heads involucrate with the 

 uppermost leaves and their sheathing stipules ; calyx i in. long ; 

 the tube glabrous over the most part, small ; the limb 4-partite ; 

 the segments subulate, — in. long, ciliate, subequal, corolla 

 whitish-violet-coloured, funnel-shaped-cylindrical, glabrous except 

 some setae outside the lobes about their tips ; the tube | in. long ; 

 the throat naked ; the lobes 4, ovate, ^o ^^' ^^^Sj valvate in the 

 bud, spreading in open flower ; stamens 4, exserted ; filaments 

 minutely puberulous, longer than the anthers ; style exserted, 

 minutely puberulous ; stigma subcapitate. 



PuNGO Andongo. — In moist pastures with rather short herbage, 

 near Quibinda, abundant ; fl. and young fr. March 1857. No. 3225- 

 Muta Lucala ; fl. March 1857. No. 3226. 



9. T. dibrachiata. 



Spermacoce dibrachiata Oliv. in Trans. Linn. Soc. xxix. p. 87, t. 

 52 (1873) ; Hiern, I.e., p. 239. Borreria dibrachiata K. Schum. 

 in Engl. & Prantl, Nat. Pflanzenfam. iv. 4. p. 144. Pentas 

 involucrata Baker in Kew Bull. 1895, p. 66. 



Pdngo Andongo. — An annual, strictly erect herb, with whitish- 

 purplish or sometimes rosy flowers. In moist wooded meadows between 

 Muta Lucala and Quibinda, in company with species of Scleria., 

 abundant ; fl. March 1857. No. 3231. 



10. T. thymoidea Hiern, sp. n. 



A somewhat scabrid grey perennial herb with the habit of 

 Thymus, 3 to 6 in. high, much branched near the suffruticose base 

 or underground ; rootstock shrubby ; stems numerovis, caespitose, 

 erect or ascending, simple above or nearly so, more or less hispid- 

 pubescent with whitish, shaggy or scaly hairs ; leaves opposite, 

 decussate, linear or nearly so, pointed at the apex, sessile, 

 minutely scabrid on both faces, grey or yellowish green, | to 1 in. 

 long, uni-nerved, sub-erect except those close to the flower-heads ; 

 margins white, cartilaginous, thickened ; stipule adnata to the 

 bases of the leaves and so sheathing, from the truncate or broad 

 top of the sheath terminating in 1 to 3 bristles or subulate 

 teeth ; flowers nearly | in. long including the exserted style, 

 sessile, numerous, crowded in sessile terminal heads ; bracts 

 foliaceous, forming with the uppermost pairs of leaves a shallow 

 involucre to the heads of flowers and a spreading stellate base to 

 the heads of fruits ; calyx ^ in. long ; the tube narrower than the 

 limb, compressed, obovate, glabrous for the most part ; limb 

 bipartite; the segments opposite, green, equal, linear-lanceolate, 

 ciliate, about g in. long ; corolla salver-shaped, violet-purple, | in. 

 long before expansion, nearly glabrous ; lobes ovate, obtuse, 

 valvate in the bud, spreading in the open flower ; stamens 4, 

 glabrous ; anthers linear-oblong ; filaments rather longer than 

 the anthers, inserted at the throat of the corolla between the 

 lobes ; style minutely papillose, filiform, shortly exserted ; stigma 

 sub-capitate ; ovary 2-celled ; ovules oblong, solitary, attached 

 about the middle; capsule obovoid, somewhat compressed, | in. 



