22 IV. SCITAMINE. [Costus 
1854. By streams between Trombeta and Cambondo, and more plen- 
tiful by streams near the Mongolo Mts. Sept. 1857. No. 6464. 
2. C. giganteus Welw. ex Ridl., Jc.; Durand & Schinz, Jc. 
p. 128. 
Istanp or Sr. THomas.—Root creeping, very thick, many-headed, 
sending out fibres on all sides. Barren stems 4 to 5 ft. high, leaves 
1 to 2 ft., oblong-lanceolate, shining green, glaucous-green beneath, 
short-stalked, petiole long sheathing, sheaths closed, prolonged, and 
ligulate above the petiole insertion. Flowering scapes very straight, 
3 to 6 or more from the same root, 6 to 8 or even 10 ft, high, a 
splendid green, clothed throughout with sheaths of the same colour, 
but with a reddish margin, bearing a terminal strobiliform spike 4 
to } ft. in diameter, and nearly 4 ft. long, bright polished scarlet. 
Flowers bright yellow, half-exserted. Plentiful by streams in primi- 
tive woods, 2000 to 2800 ft. high, on Monte Caffe. Flowering from 
Oct. to Feb. In fl, Dec. 1860. No. 6465. 
5. RENEALMIA Linn. f.; Benth. & Hook. f.Gen. Pl. iii. p. 648. 
1. R. africana Benth. ex Hook. f. Icon. Pl. 1430 (1883) ; Ridl. in 
Journ. Bot. 1887, p. 132. 
Gotunco Atto,—A herb with a thick branched rhizome. Leaves 
almost membranous. Flower-spikes, or rather racemes, several, 
rising erect from the rhizome, a foot high; flowers laxly racemose, 
flesh-straw-coloured, bracts whitish-straw-colonred, acuminate. Fruit a 
many-seeded berry, obscurely trilocular. Rather plentiful in shady 
primitive woods, Sobato de Quilombo-Quiacatubia. In fl. and fr. 
Jan. 1855. Leafy stems 4 to 5 ft. high. Fruit a dark cinnamon, 
terminal tube orange-coloured ; seeds pleasantly aromatic, wrapped 
in scarlet filaments. In fr., Mata de Quisuculo, April 1856. No. 
6442. An aromatic herb 4 to 5 ft. high, leaves broadly oblong 
shining, flower-spikes 1 to 14 span, white-ferruginous ; berries oblong 
deep bluish, seeds enveloped among numerous fine wavy threads. 
Quisuculo, April 1856. Coz. Carp. 991. 
Trine 1. MARANTE A. 
6. THALIA L. ; Benth. & Hook. f. Gen. Pl. iii. p. 650. 
1. T. cerulea Ridl. in Journ. Bot. 1887, p. 132; Durand & 
Schinz, Consp. Fl. Afr. v. p. 180. 
Pungo ANDONGO.—A herb with a fibrous root; stem 5 to 7 ft. high. 
Flowers blue, buds a glaucous violet-blue. Fruit a one-seeded berry. 
A very beautiful plant. In ponds on the river Cuanza near the 
Sobato N-bille. March 1857. No. 6444. 
2. T. Welwitschii Ridl., .c.; Durand & Schinz, Le., p. 130. 
CazEnco.—A herb 3 to 4 ft. high, glaucous-green, with leafless 
panicles and horizontal rhizome. Rather rare in wet places between 
Cacula and Dalatanda. In fl. June 1885. No. 6443. 
Pungo ANnponeo.—A herb 4 to 5 ft. high ; bracts a subglaucous 
violet, flowers purple. By marshes in th ds of 
een ee Hi y e woods of Mutollo. March 
Very near 7. geniculata L. 
