Mehoithera] lxxi. composit/E. 581 



Barra de Bexgo.— In swampy places by the river Bengo ; fl. and 

 fr. Dec. 1853. No. 3544. 



GoLUNco Alto.— By thickets and in the less dense forests ; roadway 

 near Menha-Lula ; H. and fr. July 18.05. No. 3545. In bushy 

 wooded parts of Sobato de Mussengue ; fl. andfr. May ISofi. No. 3546- 



Mos.SAMEDES. — Florets golden-yellow. In sandy thickets at the 

 river Bero ; tl. July 1859. The ovary of the disk-florets is more 

 rounded than in the three previous Nos. No. 3543. 



3. M. monochaeta Iliern, sp. n. 



A scabrid herb, more or less branched, 1 to 3^ ft, high, 

 appai-ently annual ; stems angular, sulcata, pallid, suberect or 

 .subscandent and loosely rambling among shrubs, mostly dichoto- 

 mous ; branches opposite or alternate ; leaves ovate or the upper 

 ones lanceolate, acuminate oi- pointed at the apex, obtuse or more 

 or less wedge-shaped at the base, opposite or sub-opposite or the 

 upper ones alternate, membranous, dark green in the dried state, 

 above rough and scattered with whitish deciduous short strigose- 

 hispid hairs, paler sometimes sublepidote and similarly strigose- 

 hispid beneath, unequally serrate-dentate, occasionally lobulate at 

 or near the base, f to 4 in. long by ~ to 2^ in. broad ; petioles 

 ranging up to }t or ^ in. long, hispidulous ; capitula heterogamous, 

 radiate, subhemispherical, i to f in. long, on hispidulous peduncles 

 ranging up to about 3 in., terminal and subterminal, together 

 forming broad rather lax terminal leafy cymes ; involucral scales 

 free to the base, rather loosely imbricate, sub-biseriate, the outer 

 ones lanceolate-oblong, foliaceous, entire, obtusely pointed, hairy 

 on the back, about i in. long, nearly flat ; the inner ones rather 

 narrower, more acute, nearly as long and less foliaceous ; flowers 

 homochromous, yellow; ray-florets ligulate, female, fertile, sub- 

 uniseriate, I in. long ; the ligule oval, t in. long by 1 in. broad, 

 marked with several slender nerves, minutely trifid at the apex, 

 the ovary compressed, puberulous, subtruncate, on one side 

 furnislied with an arista; disk-florets multiseriate, hermaphrodite, 

 i or nearly ^ in. long (including the exserted style) ; the corolla 

 about i in. long, tubular, shortly 5-lobed ; anthers about equalling 

 the corolla-lobes, style slightly thickened upwards to its appendage 

 at the apex, ecaudate and obtuse at the base, branching ; style- 

 branches somewhat compressed, with an ovate appendage ; ovary 

 as in the ray-florets but rather larger; achenes i in. long, 

 obpyramidal-oblong, 3- or 4-gonal, muriculate verrucose or nearly 

 smooth, turning dusky, truncate and hispidulous at the apex with 

 the remains of the nectary in the centre ; pappus consisting of a 

 single caducous scabrid arista, the points of attachment of which 

 for the several florets form a spiral arch ; receptacle convex, 

 furnished with paleas ; the paleaj folded and embracing the florets, 

 about ^'15- to i in. long, dry, subscarious, obovate and whitish 

 below, acuminate and yellowish above, hairy along the line of fold 

 at the back, ciliate along the upper half, marked with several 

 parallel longitudinal lines, persistent. 



LoANDA. — An annual, subscandent herb. In thickets near Quicuxe ; 



