302 LXXIII. COMPOSITE (OLIVER AND HIERN). [ Mikania. 
Mile Land. Abyssinia, Dr. Roth! 
Lower Guinea. Congo, Chr. Smith! Loango, Soyauxr! 
Mozamb. Distr. Luabo River, Dr. Kirk / Murchison Falls, Shire, Dr. Meller! 
Native name, “ Wedwedwi.” Zambesi, Dr. Peters! Zanzibar Coast, Hildebrandt! 
13. MICROTRICHIA, DC.; Benth. et Hook. f. Gen. Pl. ii. 260. 
Capitula hemispherical or broadly campanulate, outer florets 2, of 
the disk y. Involucral scales 2-3-seriate, membranous-margine 
nearly equal, shorter than the florets. Receptacle convex, naked. 
Corolla of ¢ fl. tubular, mouth denticulate, of 3 fl. campanulate, nar- 
rowed at base, shortly 4-5-fid. Anther-base obtuse, apex shortly 
produced, oblong-lanceolate. Style-branches with lanceolate acute 
tips. Achenes subterete or slightly compressed; pappus of few cel- 
lular-subulate denticulate very caducous setee.—Herb or undershrab, 
more or less pubescent. Leaves alternate, dentate. Capitula small, 
many-flowered, yellow. 
Confined to Tropical Africa. 
1. M. Perrottetii, DC. Prodr. v. p. 366. A diffuse much-branched 
pubescent or puberulous annual, varying to 1 ft. or more in height. 
Leaves obovate, obtuse, cuneately narrowed into the petiole, coarsely 
toothed above, 4-1 in. long, 3-1 in. broad; petiole of lower leaves ° 
in. or more, upper shorter. Capitula }-+ in. diam., subsessile oT 
shortly pedunculate, in small terminal or subterminal clusters. Invo- 
lucral scales oblanceolate or linear, 2-3-seriate, subequal, rather acute, 
cellular-dentate, outer loosely pilose. Achenes thinly scattered with 
short spreading minutely glochidiate sete, subterete or slightly com 
pressed. Pappus as described above. 
Upper Guinea. Senegambia, Heudelot! Nigritiana, Barter / 
Worth Central. Monbuttu-land, Schweinfurth ! 
Wile Land. Bongo-land, Schweinfurth ! ds 
We have not seen authentic specimens of M. Perrottetii, and some doubt atten 
our identification, especially that De Candolle l.c. describes this species, gathered y 
Perrottet, as sessile-leaved, flowering extremities leafless, 1-headed, and the achen 
turbinate. 
14. DICHROCEPHALA, DC.; Benth. et Hook. f. Gen 
Pl. ii. p. 260. 
Capitula heterogamous globose or disciform, many-flowered, ou 
? ow-seriate, of the disk ¥. Involucre inconspicuous, scales subb 
seriate, subequal, membranous-margined. Receptacle convex olny 
or turbinate, naked. Corolla of 9 fl. rotate-campanulate 3-4-fi f 
tubular dentate; of ¥ fl. tubular dilated above, 4—5-dentate, oF aa 
panulate constricted below. Anther-base 2-dentate. Style-branc’.” 
flattened with lanceolate or ovate appendix. Achenes compress i 
pappus 0 (or of % fi. very minute).—Annual herbs. , Leaves alter 
dentate or lyrate-pinnatifid. Capitula small with inconspicuous in 
Pe tomourts 
