176 XXVIII. GRAMINEA, [Panicum 
Sect. 4.—Errusa# (Hook. f. FI. Brit. Ind. vii. p. 27). 
26. P. arborescens L. Sp. Pl. p. 59 (1753). 
P. ovalifolium Poir. Encycl. Suppl. iv. p. 279 (1816); Benth., 
Le, p. 561; Steud., ic, p. 84; Durand & Schinz, lc, p. 758. 
GoLunco ALTo.—In very shady woods by the river Cuango, but 
only rarely met with ; Dec. 1854. No. 2982. In rather damp woods, 
Queta mountains, and also on the banks of the Delamboa river ; end 
of Nov. 1855. No. 7223. At the public spring in Banza do Bongo 
Aquitamba ; 7 Sept. 1855. No. 7299. No. 2968 (no information). 
27. P. atrosanguineum Hochst. ex A. Rich. Tent. Fl. Abyss. ii. 
p. 875 (1851); Steud., Zc.; Durand & Schinz, lc, p. 741. 
Pungo ANDoNGo.—Muta Lucala. No. 2722. An annual grass, 
diffusely caspitose, a span or a foot high, when alive a bright green, 
spikelets generally purplish, seeds shiny-black. Cattle are fond of it. 
Plentiful in rather damp muddy-sandy meadows at the river Luxillo, 
between Pungo Andongo and Cambambe ; April 1857. No. 7418. An 
annual species, of graceful habit and supplying excellent fodder for 
cattle. In rather damp sandy places at the river Luxillo; April 1857, 
Cott. Carp. 1088. 
28. P. hirsutulum Rendle sp. nov. 
Annual, shoots hairy, sparsely ceespitose, very slender, erect or 
oblique, unbranched ; leaves linear, tapering at both ends, very 
acute; panicles lax, terminal and axillary ; spikelets solitary, long- 
stalked, hairy, 1 line long, with divergent acute glumes; barren 
glumes broadly ovate, 5-nerved, gl. I. slightly less than gl. II., 
gl. III. blunter with an equal pale and a minute aborted male 
flower ; fertile gl. shorter, oval, white, smooth, and polished. 
Shoots 10 to 20 in. high, covered from base to apex with soft 
spreading whitish hairs. Internodes very slender, } to scarcely 
+ line in diameter, 1} to 5 in. long. Sheaths short, about 1 in, 
closely investing the internode, striate, scabridulous ; ligule very 
short pilose ; blades 2 to 4 in. long by 1 to 14 lines broad, some- 
times smaller at the upper nodes, flat, scabridulous-hairy on both 
surfaces, apex finely pointed. Panicles rather small, lax-flowered, 
3 to’6 in. long, terminating the axis and springing from the 
axils of the leaves, rhachis slender, branches scattered, spreading 
or ascending, spikelets spreading, sometimes pendulous, greenish, 
sometimes stained with purple. Glume I. 3 to 1 line long, acute, 
with 5 prominent green nerves, the 2 outer shorter, bearing on 
the back long stiffish white hairs; gl. II. 1 to 14 line, with 
5 prominent green nerves and hairy on the back ; gl. III. 1 line 
long, more membranous than the two preceding, with less con- 
spicuous nerves and a few short hairs on the upper part; pale 
1 line long, including 3 minute aborted stamens at the base ; 
fertile gl. 3 line. 
Near P. atrosanguineum Hochst., but distinguished by ita 
more acute glumes, its gracile habit with numerous lateral 
