206 XXVIII. GRAMINES. [Calamagrostis 
reaching 1 ft. in length, 3 in. across, branches 25 in. long or 
shorter; pedicels 1 line or less in length ; lower barren gl. 12 line 
long, upper about 1} line; fertile gl. a little over 1 line; anthers 
= line. 
“An interesting species with the habit of Agrostis, recalling some 
effuse forms of A. alba L. It is placed in Calamagrostis owing to 
the tuft of hairs on the callus almost equal in length to the glume, 
but is one of those species which connect the two genera. It 
is most nearly allied to C. tenella Host, which, however, has a 
shorter-haired callus and an awned flowering glume. 
Hurnia.—In thicket-grown marshes near Catumba; April 1860, 
No, 2629. : 
34. POLYPOGON Desf.; Benth. & Hook. f. Gen. PI. iii. p. 1150. 
1. P. monspeliense Desf. Fl. Atl. i. p. 67 (1798); Steud. Syn. 
Pl. Gram. p. 184 (1854); Durand & Schinz, Consp. Fl. Afr.v. p. 825. 
MossaMEDES.—Showing little or no difference from specimens from 
Southern Europe, Syria, Abyssinia, Ceylon, New Orleans, Chili and the 
Cape. Damp sandy places on the banks of the river Caroca near Cabo 
Negro; beginning of Sept. 1859. No. 2619. In small woods of 
Tamari« gallica, species of Acacia and Cordia, near the banks of the 
river Maiombo at Pedra do Rei; Oct. 1859. No. 2618. Annual, with 
a very fibrous root, widely cespitose, with many prostrate-ascending 
or obliquely erect, long-sheathed culms, leaves flat, ligule large, torn at 
the top, inflorescence yellow-purplish. Plentiful in sandy places on 
the banks of the river Bero near Cavalheiros ; 22 Aug. 1859. No. 2620. 
Subtribe III. Sporobdolece. 
35. SPOROBOLUS R. Br.; Benth. & Hook. f. Gen. Pl. iii. p.1148. 
1. S. robustus Kunth Rev. Gram. p. 425, t. 126 (1829-35) ; 
Benth. in Hook. Niger Fl. p. 564 (1849); Durand & Schinz, 
Consp. Fl. Afr. v. p. 823. 
Vilfa robusta Steud. Syn. Pl. Gram. p. 154 (1854). 
IsLaAND OF ST. VINCENT, CAPE VERDE Is.—Near Porto Mindello ; 
Sept. 1853. No, 2923. 
Loanpa.—A fine widely caspitose grass 2 to 6 ft. high, culms 
ascending, geniculate, branched, nodes purplish, the lower sending out 
roots; spikes whitish. Sandy places by the sea near Cabo Lombo ; 
30 April 1854. No. 7351. Plentiful in rather damp places round 
ponds near Imbondeiro dos Lobos; May 1854 and 1858. No, 7294. 
No. 7357 (no information). 
Brnco.—On the river Bengo near Porto Rei; not in good fl., Dec. 
1853. No. 7450. 
Mossamepes.—4 to 6 ft. high, very densely cespitose, rigid, very 
rough, culms sometimes straight, sometimes oblique ; panicles pyramidal. 
It is this grass particularly which in company with Arundo spinosa 
‘renders solid the soil at the mouth of the river Bero, and so makes 
possible the culture of the gardens. Very plentiful on the banks of 
the river Bero ; 11 Aug. 1859. No. 2296. 
2. S. pyramidalis Beauv. Fl. Owar. ii. p. 36, t. 80, fig. 1 (1816-18); 
Benth., /.c., p. 565; Durand & Schinz, Jc. 
Vilfa pyramidalis Steud., é.c., p. 155. 
