390 
FLORA OF ADEN. 
Uniola bipinnata Linn. Sp. PI. ed. 2, 104. 
Eragrostis bipinnata Muschler in Abhandl. d. bot. Vereins d. Prov. 
Brandenb. vol. 40 (1907) 74. 
Eragrostis affine Wall. Cat. n. 3821. 
Eragrostis eragrostoides Wall. Cat. n. 5016. 
Characters of the genus. 
Locality Aden (Birdw.) . 
12. Halopyrum Stapf. 
A tall stout perennial glabrous grass with a branching creeping 
sheathed rootstock. Leaves narrow, rigid, convolute. 
Spikelets large, many-flowered, sessile or shortly pedicellate on the 
short alternate branches of an elongate panicle, ovoid, strongly laterally 
compressed, not joined on their pedicels, nor are the pedicels jointed on 
the branches ; rhachilla articulate at the base and between the flowering 
glumes, silky hairy. Glumes many, closely distichously imbricate, 
dorsally rounded, coriaceous, keeled ; involucral glumes subequal, 
ovate-lanceolate, acuminate or apiculate ; lower involucral glume 1-3- 
nerved; upper involucral glume 5 -nerved ; floral glumes 6-10, rather 
shorter than the involucral, mucronulate, 3-nerved ; palea as long as the 
glume, subacute, 2-keeled. Lodicules 2, obcordate. Stamens 3. Styles 
short, free ; stigmas elongate. 
Grain ellipsoid, compressed, deeply hollowed anticously, free. 
Species 1. 
Distribution : — Coasts of India and Ceylon, Arabia, Tropical Africa. 
1. Halopyrum mucronatum Stapf in Hook. Ic. PI. t. 2448 (1896) ; 
in Hook. El. Brit. Ind. VII, 328 ; Cooke El. Bomb. Pres. II, 1029. 
Brizopyrum mucronatum Nees in Wall. Cat. Herb. Ind. n. 8898 ; 
Wight Cat. n. 2386. 
Uesmazeria unioloides Defl. Yoy. Yemen 220. 
Eragrostis mucronata Trim. Cat* Ceyl. PI. 109 (non Roem. & 
Schult.) . 
Eragrostis mucronata (L.) Benth. & Hook, according to Krause in 
Engl. Bot, Jahrb. XXXV, 24. 
Uniola mucronata Linn. Sp. PI. ed. 2, 104; Kunth Enum. PL I, 
425 ; Steud. Syn. Gram. 281. 
Triticum repens Thw. Enum. Pl. Zeyl. 376. 
Aeluropus Aitchis. Cat. Panj. Pl. 169. 
Eragrostis sp. Sect. Sclerostachya Benth. & Hook, in Gen. PL Ilf, 
1187. 
