192 XXVIII, GRAMINES. [Pennisetum 
= 
** Partial inflorescence sessile. 
Var. Plukenetii. 
Penicillaria Plukenetii A. Br. in Ind. Sem. Hort. Berol. 1855, 
App. p. 24. 
Leaf-blades and sheaths hirsute ; a ring of white hairs at the 
nodes and below the leaf-blade. Spikes cylindrical, narrowing to 
the generally comose apex, from a little over 4 to 10 in. long by 
7 to 9 lines thick, not including the awn, golden-yellow or purple. 
Involucre exceeding the single spikelet or subsessile pair, 
sete plumose, about 4 in., the longest about 1 in., ascending, 
sometimes becoming horizontal or descending. Spikelets 2 lines 
long, lanceolate ; gl. I. small, hyaline, 1 to 2 line, ovate or oblong 
from a truncate base, enerved ; gl. II. ovate, obovate and retuse, 
or truncate-elliptical, enerved, 1-nerved, or sometimes with a small 
lateral nerve on each side, 4 to nearly 1 line long; gl. ITT. ovate, 
mucronulate, 3- to 5-nerved, 14 line long, subtending a subequal 
pale with pilose nerves, and a ¢ flower, or shorter (1 line) oblong 
and empty; gl. IV. nearly 2 lines long, ovate with a mucronate, 
rarely scarcely mucronulate apex, 5-nerved, subtending a subequal 
pale anda 9 flower. 
Loanpa.—Massango, a fine-looking grass, annual, 4 to 6 ft., sub- 
cespitose, erect, spikes yellowish. Sporadic in thickets between Penedo 
and Conceigao ; end of May 1858. No. 7278. 5 to 8 ft. high, culms 
crowded, branched towards the top, hollow, spikes } to 1 ft., comose 
at the top, coma of an elegant rose colour, finally recurved in mature 
spikes. Rather rare in fields once cultivated, and even springing up 
on all sides in abandoned gardens in the town of Loanda ; cultivated 
in Sr. A. Lopes de Silva’s garden ; 7 July 1854. No. 7321. Cott. 
Carp. 1091. 
GoLuNnGo ALTO.—A very fine grass 3 to 5 ft. high, spikes 7 to 10 in. 
long, of a deep blood-red colour (‘‘ intense sanguineis,” the spikes in 
the dried specimens are purple). Grows along with Pennisetum 
giganteum (Marianga), but is much rarer, in grassy places near Sange ; 
end of April and May (more advanced) 1855. No. 7275. An annual 
grass, 4 to 6 ft. high, culm at first straight, then ascending, rooting at 
the nodes, spikes when flowering a very fine purple, then dark purple, 
more rarely golden. On grassy hills between Sange and Menha-Lula ; 
May 1855. No. 7276. A beautiful grass, pyramidally branched, 7 to 
10 ft. high, cultivated by the negroes and more rarely by the settlers, 
spontaneous everywhere, and known as Massango ; the seeds are much 
liked by sparrows. Spontaneous on the left of the Quiapose stream 
near Sanches ; Feb. 1855. No. 7276). Cultivated in the garden of 
the governor of the district ; called by the natives Massango ; liked 
by sparrows. May 1855. No. 7276c. 
Sect. 4.—BxEcKEROPSIS. 
8. P. dioicum A. Rich. Tent. Fl. Abyss. ii. p. 380 (1851); 
Durand & Schinz, l.c., p. 778. 
P. longisetum K. Schum., ic, C. p. 105 (1896); P. wnesetwm 
Benth. in Journ. Linn. Soc. xix. p. 49 (1881); Durand & Schinz, 
Zc, p. 786. Beckera dioicw Nees in Linnea xvi. p. 219 (1842) ; 
B. uniseta Hochst. in Flora xxvii. p. 512 (1844) ; B. nubicw Hochst., 
