176 XXVIII. GRAMiNE.«. [Pci/iicum 



Sect. 4.— Effus.e (Hook. f. Fl. Brit. Ind. vii. p. 27). 



26. P. arborescens L. Sp. PI. p. 59 (1753). 



P. ovalifolium Poir. Encycl. 8uppl. iv. p. 279 (181G); Benth., 

 I.e., p. 561 ; Steud., I.e., p. 84; Durand & Schinz, I.e., p. 758. 



GoLUNGO Alto. — In very shady woods by the river Cuaugo, but 

 only rarely met with ; Dec. 18.')4. Xo. 2982. In rather damp woods, 

 Queta mountains, and also on the banks of the Delamboa river ; end 

 of Nov. 1855. Xo. 7223. At the public spring in Banza do Bongo 

 Aquitamba ; 7 Sept. 1H55. No. 7299. Xo. 2968 (no information). 



27. P. atrosanguineum lIoeh.st. ex A. Eich. Tent. Fl. Abyss, ii. 

 p. 375 (1851) ; Steud., I.e. ; Durand & Schinz, I.e., p. 741. 



PuNGo Andongo. — Muta Lucala. Xo. 2722. An annual grass, 

 diflEusely csespitose, 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. Xo. 7418. An 

 annual species, of graceful habit and supplying excellent fodder for 

 cattle. In rather damp sandy places at the river Luxillo ; April 1857. 

 Coll. Carp. 1088. 



28. P. hirsutulum Eendle sp. nov. 



Annual, shoots hairy, sparsely csespitose, 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. XL, 

 gl. III. blunter with an equal pale and a minute aborted male 

 Hower ; 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, i to scarcely 

 I line in diameter, 1 ^ to 5 in. long. Sheaths short, about 1 in., 

 closely investing the internode, striate, scabridulous ; ligule very 

 short pilo.se ; blades 2 to 4 in. long by 1 to 1 v. 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. ^ to 1 line long, acute, 

 with 5 prominent green nerves, the 2 outer shorter, bearing on 

 the back long stiftish white hairs; gl. II. 1 to 1} line, with 

 5 prominent green nerves and hairy on the back ; gl. III. 1 line' 

 long, mox^e 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. 'l line. 



Near P. atrosanguineum Hochst., but distinguished by its, 

 more acute glumes, its gracile habit with numerous latei-al 



