378 GkaMIne® (Stapf). [ Digitaria, 
Also in tropical Africa, Madagascar, and the Mediterranean countries, from 
Algeria and South Italy to Portugal. 
7. D. horizontalis (Willd. Enum. Pl. Hort. Berol. 1809, 92); annual; 
culms ascending from a geniculate or more or less prostrate, some- 
times rooting, branched base, slender, 1 to several ft. long, glabrous, 
few to many-noded, upper ‘internode by far the longest; leaves 
short; blades linear-lanceolate to linear, acute or gradually tapering 
from below the middle, 2-5 in. by 2-4 lin. (in the South ower 
selena bah flaccid, hee mere racemes 4- to many, su 
often with a seattered stiff long very fine hairs fen the com- 
mon axis; rhachis very narrow, usuall: wavy, triquetrous, lateral 
angles more or less winged, scabrid, internodes about 14 lin. lon 
(in the South African specimens) or longer; pedicels 2- nate, one very 
short, the other up to $ lin. long, triquetrons, scabrid ; spikelets ween 
spreading ; valves equal or subequal, lower prominently and closely 
7-nerved, with lines of extremely fine adpressed silky hairs between 
the outer nerves and along the margins or with the marginal hairs 
D. seto 
. 
? Re 
Enum. i. 81; Nees, FI. Afr. Austr. 24 ; Fiek: Wiser fi. 560 
Steud. — Pl. Glum. i. 39. P. Hamiltonit, Kunth, Enum. 
4, Zeyheri, Nees, Fl. Afr. Austr. 25; Steud. Le. 40 ; 
Durand § Schinz, Consp. Fl. Afr. v. 767. P. hg atum, ere 
ex A. Rich. Tent. Fl. Abyss. ii. 361; Steud. Syn. Pl. Glum. i. 405 
Engl. Hochgebirge mh Afr. 117; Durand § pits Le. 7 49. P. 
porranthum, Steud. le. 42. P. sanguinale, var. distans, Doell in 
Mart. Flor. isk ii. ii. 134, Pp. sanguinale, vars. cognatum and 
horizontale, Hack in Bull. Herb. Boiss. ii. App. ii. 18; Durand § 
rt Consp. Pi. Af,’ v. 7635. P. sanguinale, var. fenestratum, 
Schweinf. in "Bull. Herb. a ii. App. ii. 18. P, sanguinale, var- 
Jjiliforme, Durand & Schin 
Py ag REGION Eons oe ed the Bashee apt below 1000 ft 
e! Tembul ‘aed Bazeia, 2000 ft., ee Ds tal; near Durban, Drage! 
Williamson 27! Um npu umulo, Miche 202 ! 
Throughout tropical Africa, in the Mascarene tet and tropical America. 
8. D. sanguinalis op. Fl. Carn. ed. II. i, 52); annual ; eulms 
(Se 
ascending from a geniculate or prostrate, often rooting, branched 
base, 1 e several ft. long, glabrous, few- to many-noded, upper node 
a 
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