76 XIV. COMMELINACES. [Commelina 
angled, more or less semicylindrical. Leaves somewhat shining above, 
paler beneath, striately nerved on both faces, Spathe shortly-stalked, 
broadly cordate when opened out, acuminately falcate, green, mouth 
ciliate ; pedicel 4-flowered, 2 upper flowers %, the third apetalous 
3-androus, the lowest and fourth generally aborted. Sepals whitish, 
membranaceous, very thin, sessile, somewhat obtuse, unequal, more or 
less ovate-acuminate ; petals a rather dark yellowish-chesnut, conchi- 
form with crisped-folded mouth. Flowered in cultivation at Lisbon, 
Sept. 1861. No. 6587. 
4, C. benghalensis L., J.c.; C. B. Clarke, ic. p. 159; Durand 
& Schinz, J.c., p. 424. 
Loanpa.—A herb, apparently annual, root with long fibres, branches 
ascending. Flowers pale blue, rather small. On coarse iron sand- 
stone cliffs behind the city; not seen elsewhere. In fl. Feb. 1854. 
No. 6621. 
CazEnco.—Dec. 1854. No. 6611. 
Gotunco Auro.—Flowers blue, stem divaricately branched, often 
rooting at every node, or growing on tree-trunks and hanging like a 
whip, always softly villose. In rather damp once cultivated places, 
and in gardens among herbs, sometimes on rotting trunks. Near 
Bango, July 1855. No. 6598. 
Puneo ANDonGo.—Annual, or perhaps perennial, stems procumbent 
and rooting, ascending when in flower, leaves pale green, roughly 
setulose. Flowers small, blue. Sepals obovate-circular, the posticous 
smaller ; the two upper long-clawed petals spathulate witb a concave- 
conchiform blade with denticulate margin. Spathe rather small, almost. 
triangular in outline, upper margin truncate. Plentifulin a few places 
on shaded rocks in thickets on the huge rocks of the presidium. The 
leaves of the specimen are smaller than usual owing to want of rain. 
In fl. and fr. April 1857. No. 6646. 
Houi.ia.—-Flowers blue or bright blue. Sparsely shaded rather 
damp pastures of Morro de Monino. Feb. 1860. No. 6582. 
Var. hirsuta C. B. Clarke, f.c., p. 160; Durand & Schinz, Jc. 
Loanpa.—A climbing herb, 3 to 5 ft. and longer, stem angled, 
roughish ; flowers smaller than usual, deep azure blue. Thickets of 
Alto das Cruzes. In fl. Feb. 1858. No. 6622. 
5. C. africana L., lc. 
Var. Krebsiana CU. B. Clarke, /.c., p. 164; Durand & Schinz, lc, 
p. 423. 
_ Pungo Anpongo.—A slightly succulent herb, with prostrate radiat- 
ing shoots and yellow flowers. Secondary thickets between Catete and 
Quilanga. In fl. Jan. 1857. No. 6635. A perennial herb with fleshy- 
tuberous roots; prostrate-ascending. Flowers yellow. Thicket-grown 
pastures between Pungo Andongo and the river Cuanza; found 
occasionally. In fl. middle of Nov. 1856. No. 6640. 
Var. polyclada C. B, Clarke, .c., p. 165; Durand & Schinz, lc. 
C. polyclada Welw. ex C. B. Clarke, ic. : 
Hviiia.—Leaves bright grass-green ; flowers small, yellow. Culti- 
vated fields near Lopollo. May 1860. No. 6581. 
6. C. barbata Lam. Tab]. Encycl. i, p. 129 (1791) ; C. B. Clarke, 
Le., p. 166; Durand & Schinz, dc. 
