Sporobolus | XXVIII. GRAMINEA, 207 
Prince's IsLtanp.—Thicket- and forest-grown hills by the sea near 
Porto de San Antonio ; Sept. 1853. No. 2931. 
GoLunco ALro.—Poor grassy places near Sange; Dec. 1855. 
No. 2977. 
Pungo ANDONGO.—2 to 3 ft. high, ceespitose. Marshy places near 
Lombe ; March 1857. No. 2727. No. 2851 (no information). 
3. S. virginicus Kunth, dc., p. 67; Benth., .c., p. 564; Durand 
& Schinz, lic., p. 824. 
Agrostis virginica L. Sp. Pl. p. 63 (1753). Vilfa virginica 
Beauv. Agrost. p. 16 (1812); Steud., dc. p. 157. 
AmBRIz.—Plentiful at the mouth of the river Loje near Ambriz. 
growing in coarse sandy and flooded saline places not far from lagoons: 
Nov. 1853. Nos. 2890, 2888. 
Loanpa.—Growing socially on the margins of mangrove swamps 
(Rhizophoreta) Cazanga Island in damp saline ground (and everywhere 
on the shore of the ocean wherever the ground is tolerably damp) ; end 
of April 1854. No. ‘7459. Sandy shores of Cazanga Island ; May 1854. 
Nos. 7302, 7369. 
MossaAMEDES.—Places grown with short thickets near the sea and 
flooded in the rainy season nut far from Mossamedes; July 1859. 
No. 2611. 
4, §. spicatus Kunth, lc¢.; Durand & Schinz, Le., p. 823. 
Agrostis virginica Forsk. Fl. Aig.-Arab. Descr. p. 20 (1775). 
A. spicata Vahl Symb. i. p. 9 (1790). Vilfa spicata Beauv., lc. ; 
Steud., dc, p. 160. 
IsLanD or St. Vincent, CArE VERDE Is.—Coarse sandy places and 
barren hills ; Sept. 1853. No. 2921. 
5, S. festivus Hochst. ex A. Rich. Tent. Fl. Abyss. ii. p. 398 
(1851) ; Durand & Schinz, Zc. p. 820. 
Vilfa festiva Steud., l.c., p. 158. 
Pungo ANDONGO.—A very elegant czespitose annual(?); culms erect.. 
striate ; panicle a fine violet. Plentiful in damp, sunny, rocky 
places. Rocks of Cabondo : towards the end of Nov. 1856. No. 2751. 
Beginning of Nov. No.2751/. Agrostoid or simulating Airv, cespitose,. 
1 to 14 ft. high, remarkable when alive for its amethyst-purple 
spikelets. Pastures of short grass between the presidium and Luxillo ;. 
May 1857. No. 2804. 
6. 8. Welwitschii Rendle sp. nov. 
Perennial by a short rather slender ascending rhizome, which 
bears very short densely caspitose leaf-shoots, with small, stiff, 
involute, acicular, pungent, glabrous, crowded leaves, sheaths 
membranous, striate, glabrous, pilose only at the mouth; flowering 
culms slender, wiry, slightly geniculate, nodes glabrous, leaf- 
sheaths much shorter than the internodes, leaves short, distich- 
ously spreading, similar to those on the leafy shoots, ligule a 
short densely hairy ridge; panicle ellipsoidal, effuse, branches. 
alternate, slender, spreading, branchlets capillary, spreading 
nearly at a right angle, similarly branched, interlacing, and 
forming a fine capillary network with thickened nodes, nodes. 
