190 XXVIII. GRAMINEA. [Pennisetum 
Cultivated at Welwitsch’s country house ; in fl. Aug. 1854. No. 72980. 
Native name Massango. 
IcoLo £ BExGo.—Common on the king’s highway from Prata to 
Quicanga, etc., often covering very wide areas in thick clumps, some- 
times 2 to 3, sometimes 8 to 9 ft. high ; Sept. 1854. No. 7267. 
GoLtunco ALTo.—Native name Marianga. A perennial grass, with 
stems becoming woody below, 8, 12 to 15 and even 20 ft. high ; leaves 
glaucous ; flowers pale yellowish or yellowish to reddish. Too plentiful 
everywhere in the primeval wooded region. Sange ; in fl. July 1857. 
No. 2767. No. 2884 (no notes). <A gigantic grass, suffruticose, 
branches erect often viviparous from the culm, culm 8 to 18 ft., spike 
narrow, afoot long. Very plentiful and densely cespitose in secondary 
thickets called Cupinaes; fl. and fr. July 1856. No. 7215. Rhachis 
continuous, scarcely flexuose, thickly covered with spreading hairs. 
Residency garden ; 14 Sept. 1856. No. 7384. Native name Massango. 
Rhachis densely flexuose towards the top. Awns very long, blood-purple. 
Banks of river Cuango ; 13 and 14 Sept. 1856. No. 7298. (Massango). 
Pennisetum Benthami Steud. (P. macrostachywm Benth.) cannot 
be separated from P. purpureum Schum. In several of Wel- 
witsch’s specimens the setz are tinged with red or purple, forming 
aL approach to the deep purple sete and glumes of Schumacher’s 
description, and occurring also in a plant from Guinea received 
from Thonning on which Fliigge based his ms. species, and which 
came to the British Museum in Herb. Nolte. 
5. P. setosum L. Rich. in Pers. Synops. i. p. 72 (1805); Durand 
& Schinz, i.c., p. 784. 
P. polystuchyum Schult. Mant. ii. p. 146 (1824); Benth., Jc. 
P. purpurascens H. B, & K. Nov. Gen. and Sp. i. p. 113 (1815), 
Gotunco ALTo.—A small erect plant, about 10 in. high, with a 
delicate thinly flowered spike. In grassy sunny places between Sange 
and Ponte de Luiz Simoes ; Feb. 1855. No. 7181. Common in reedy 
thickets on the left of the river Delamboa. Spikes when in flower a 
splendid purple, becoming finally more or less dull purplish ; May 1855. 
No. 7194. A grass 5 to 6 ft. high ; culm erect, branching above, spikes 
elongated, golden-yellow, very acuminate, graceful and nodding. 
Rather rare, occurring with Andropogon in somewhat dry places near 
Menha Lula, Sobato de Mossangue ; May 1885. No. 7274. Nos. 2967, 
7232, 7262, 7267), 72670 (no information). 
6. P. cenchroides L. Rich., J.c. 
P. citiare Link Hort. Berol. i, p. 213 (1827); Durand & Schinz, 
Lc. p. 178. Cenchrus ciliaris L. Mant. p. 302 (1771). 
Care VERDE IsLANps ?—No. 2922 (no information). 
Loanps.—A grass 2 to 3 ft. high, laxly cxspitose ; culms sometimes 
straight, sometimes arcuate-ascending ; spikes purplish. Among 
herbage near Quicuxe; Oct. 1858. No. 7317. A panicoid grass, with 
ceespitose branched ascending culms, and purplish spikes. Common 
in thicket-grown pastures between Penedo and Conceigao ; Jan. 1859. 
No. 2920. No. 7481 (no information). 
MossaMEDES.—-A cespitose grass, with erect or ascending culms a 
foot high, and purplish-green scabrid_stiffish spikes an inch long. 
Sandy places on the banks of the river Bero near the gardens ; 5 Aug. 
1859. No. 2621. 
