78 XIV. COMMELINACER. (Commelina. 
11. ©. huillensis Welw. ex C. B. Clarke, d.c., p. 175; Durand & 
Schinz, .c., p. 425. 
Houitia.—Spathes very large, veined with purple ; flowers azure- 
blue. Rather damp pastures, dry in winter, between Lopollo and 
Nene, but not elsewhere, Apr. 1860. No. 6585. 
12. C. spectabilis C. B. Clarke, U.c.; Durand & Schinz, t.c., p. 428. 
Huitia.—Flowers sky-blue. Woods near the river Monino growing 
with Gloriosa simplex. Feb. and Apr. 1860. No. 6594. 
Var. ramosa C. B. Clarke, i.c.; Durand & Schinz, lc. 
Punco Anponco.—Shoots appressed to the earth, nodes rooting, 
more or less villous, ascending in the flowering stage. Flowers not 
sky-blue but bright dark blue. Grassy places in sandy marshes. 
between Quibanga and Guinga. In fl. Jan. 1857. No. 6629. 
13. ©. Welwitschii C. B. Clarke,/.c.; Durand & Schinz, /.c.,p.429. 
Punco ANDonGo,—A perennial herb with tuberous root, cespitose, 
stems generally purplish. Sepals concave, the two anterior orbiculate- 
ovate, deflexed, the posterior ovate, erect ; anterior petal sessile, broadly 
ovate-acuminate, reflexed ; posterior petals orbiculate-spathulate long- 
clawed, margin undulate and repand-dentate or irregularly crenate. 
Sepals and anterior petal dull violet-green ; posterior petals bright 
sulphur-yellow. Filaments of the three sterile stamens erect, of the 
fertile declinate. Two fertile anthers regular, the third on the anterior 
margin of a petaloid connective. Sterile anthers deep sulphur-coloured. 
Style declinate, stigma slightly capitulate, a little longer than the 
stamens. Very plentiful, widely cespitose on the slopes of the 
volcanic rocks of the presidium. In fl. and fr. Dec. 1856 and Jan. 
1857. No. 6627. Flowers bright yellow. Damp rocks of Cabonda 
on the presidium, Jan. 1857. Nos. 6632, 6637. Flowers bright 
yellow, spathes marked with dark purple lines. Cazella, 18 Oct. 1856. 
No. 6638. A glaucous-green ascending herb, with deep bright yellow 
flowers. Plentiful in rocks and damp pastures throughout the whole 
district. In fl. Feb. 1857. No. 6639. 
Houria.—A herb with bulbous-tuberous rhizome, tubers moniliform, 
erect, $ to 4 ft. high, herbaceous-green, stem flattened and like the 
leaf-sheaths pilose, flowers yellow. Sepals greenish-purple, upper 
petals roundly spathulate, yellow, anterior greenish-purple, concave. 
Sapa in sparsely grassed pastures at Humpata, Jan. 1860. 
0. F 
14. C. capitata Benth. in Hook. Niger Flora p. 541 (1849) ; 
C. B. Clarke, lc., p. 176; Durand & Schinz, ic., p. 424. 
Punco AnponGo.—Flowers yellow, spathes ciliate with long tawny 
golden hairs. Shady woods of Barranco de Pedra Songue, but not 
seen elsewhere. In fl. Feb. 1857. No. 6647. 
15. C. aspera Don ex Benth., lic., p. 542; C. B. Clarke, Jc, 
p. 180; Durand & Schinz, l.c., p. 423. 
HvILta.—Among crops of Penicillaria near Humpata, Jan. 1860. 
No. 6592. 
16. C. firma Welw. ex C. B. Clarke, lc. 
C. aspera var. firma C. B. Clarke, l.c.; Durand & Schinz, lc. 
Punco AnponGo.—A narrowly erect or ascending, firm, succulent, 
blood-red-purple herb; flowers dark blue. Panda woods between 
