594 LXXI. COMPOSITH, [Crassocephalum 
cataract of the river Cuango ; fl. and fr. March 1855. No. 3584. An 
erect herb, 2 to 34 ft. high, with nodding capitnla. In damp reed- 
beds at the river Cuango, plentiful and in company with the blue- 
headed variety ; fl. and fr. Feb. 1856. No. 3585. Varzea Canaulo, 
fl. and fr. June 1856. No. 3586. Varzea de Cuango ; fl. Jane 1856. 
No. 3587. 
Hvitia.—In the wooded meadows of the Monino ; fl. and fr. Jan, 
1860. No. 3591. 
Var. 8. ceruleum. Flowers blue. Cf. G@. cerulea O. Hoffm. in 
Bull. Herb. Boiss. i. p. 86 (1893). 
GoLunco ALTO.—Among crops of Arachis hypogaea, near Sange ; 
fl. and fr. No. 3588. Between Trombeta and Cabonda ; fl. and fr. 
Sept. 1854. No. 3589. Capitula on very long peduncles, nodding. 
Varzea de Cuango, plentiful ; fl.and fr. Feb. 1856. Cou. Carp. 667. 
Hvitia.—In plantations of maize on damp ground about Lopollo, 
but scarcer than the other variety ; fl. and fr. Jan. and Feb. 1860. . 
No. 3593. 
2. C. diversifolium. 
Senecio diversifolius A. Rich. Fl. Abyss. i. p. 437 (1847); non 
Wall. Gynuwra polycephala Benth, in Hook. Niger Fl. p. 437 (1849). 
G. crepidioides Benth., l.c., p. 438; O. & H., le, p. 4038. SL. 
crepidoides Aschers. in Schweinf. Beitr. Fl. Aithiop. p. 155 (1867). 
Var. a. polycephalum. Leaves mostly pinnatifid; flowers 
lilac ; achenes setulose between the ribs. 
HviLia.—In neglected fields and at the damp borders of level spaces 
especially where sandy, about Lopollo, etc. ; fl. and fr. from Dec, 1859 
to March 1860. No. 3592. 
Var. £8. subincisum (Aschers., /.c., p. 156). Lower and middle 
leaves undivided, unequally dentate, the upper ones incise-dentate 
at the base or sub-pinnatifid; flowers lilac, verging on rosy ; 
achenes somewhat setulose between the ribs. 
Hvitia.—In fields among crops; about Lopollo, plentiful ; fl. and fr. 
Jan. 1860. No. 3590. 
Var. y. sonchiforme. An annual, erect, branched herb, with 
the habit of a Sonchus; leaves mostly:sub-lyrate, sinuate-dentate 
or repand, the teeth obtuse mucronulate ; flowers violet-purple, 
erect ; achenes setulose. 
MossaAMEDES.—In swampy places and neglected patches after 
cultivation near Hortas de Mossamedes ; fl. and fr. beginning of July 
1859. No. 3581. 
Var. 6. cyaneum. An annual herb, 3 to 4 ft. high ; branches 
elongated, slender ; leaves mostly lyrate-pinnatifid, auriculate at 
the base ; flowers bright blue ; achenes setulose. 
MossaMEDES.—In moist sandy thickets at the banks of the river 
Bero, rather rare ; fl. and fr. beginning of August 1859. No. 3582. 
Var. «. Welwitschii. Leaves mostly undivided, unequally den- 
tate, exauriculate ; flowers bright-blue ; achenes nearly glabrous. 
Hviiia.—In plantations of maize and at their borders, near Eme ; 
fl. and fr. Feb. 1860. No. 3594. 
