Aroides] XX, AROIDER, 91 
Huitta.—A pleasing tuberculose herb, 1 to 3 ft. high, with the 
habit of A. ethéopicum, but spathes much smaller, deep sulphur-coloured 
at the base, and blood-red inside. Leaves green, becoming glaucous 
beneath. Somewhat plentiful in marshes by banks of streams near 
Lopollo at an elevation of 5000 ft. In fl. Nov. and Dec. 1859. Nos. 
‘232, 232°. Wet spongy places at the great lake of Ivantéla, of lower 
growth and flowering later. Feb. 1860. No. 232°. 
2. A, angustilobum O.K. (Arodes), le. 
Richardia angustiloba Schott in Journ, Bot. 1865 p. 35; Engl. 
in DC. Mon. Phan. ii. p. 329. Zantedeschia angustiloba Engl, 
Bot. Jahrb., .c.; Durand & Schinz, de. 
Punco AnponGo.—A fine herb, 4 to 5 ft. high, perennial with a 
large oblong tuber. Leaves as much as 5 ft. long. Plentiful in deep 
ponds between the islands of Calemba and Quisonde on the right of 
the river Cuanza. In fr. March 1857. No. 230. Cout. Carp. 1020. 
Material insufficient for determination. 
Pungo ANpoNnGo.—An acaulescent herb, with a single leaf decom- 
pound above, spathe very large, with the spadix 2 to 23 feet. Fruit 
elliptical, baccate, scarlet. Woods of Barranco de Catete, In fr. 
May 1857. Coun Carp. 1021. 
XXI. LEMNACEZ. 
1, LEMNA L.; Benth. & Hook. f. Gen. Pl. iii. p..1001. 
1. L, equinoctialis Welw. Apont. p. 578 (1859). 
L. angolensis Welw. ex Hegelmaier in Journ. Bot. 1865 p. 112; 
Hegelm. Lemnac. p. 141 (1868); Durand & Schinz, Consp. Fl. 
Afr. v. p. 484; Hegelm. in Engl. Bot. Jahrb. xxi. p. 296 (1895). 
Loanpa.—The small fronds 3 to 4 together, each with one rhizoid, 
ovate-elliptical, smooth, somewhat fleshy, slightly convex, obtusely 
longitudinally keeled on the upper face, ellipsoid at both ends, 
minutely but distinctly corniculate ; flowers emerging from a marginal 
slit. Grows in great quantity and very rapidly, covering large ponds 
in a few days with a very dense growth 3 to 5 in. thick. The fertile 
fronds with the seeds sink to the muddy bottom, where they germinate 
in next year’s rains, or if the rains fail will last for years without 
hurt. Plentiful in deep ponds after the rains at Museque de Luiz 
Gomez, Loanda. In fl. and fr. 10 Jan., 1858. No. 206. 
2. L, paucicostata Hegelm. Lemnac. p. 139, t. viii. (1868), and 
in Engl. Bot. Jahrb., J.c., p. 294; Durand & Schinz, J.c., p. 485. 
L. minor Hegelm. in Journ. Bot. 1865, p. 112 (non L.). 
AmBriz.—Near L, minor but differs in habit, obovate-elliptical fronds, 
etc. Flowers not seen. Plentiful in lakes (Lagoa de Quizembo) on 
the right of the river Loge and in almost stagnant streamlets near 
Ambriz. Nov. 1853. No. 208. ' 
Loanpa.—Plentiful growing with Wolfia repanda in deep ponds 
near Bemposta. March 1854. No. 205 (in part). ; 
Icoto = Brenco.—Floating or resting on floating plants or drying 
mud, with the habit of LZ. minor, but has markedly elliptical fronds 
and seems different in other respects. In a lake called Lagoa de 
