300 
FLORA OF ADEN . 
slender, ciliate on 2 opposite sides with long silky hairs, shorter than 
the sessile spikelets. Spikelets L inch long (the sessile and pedicellate 
equal), oblong lanceolate, glabrous, purplish; callus small, shortly 
hairy at the base ; lower involucral glume inch long, flat, lanceolate- 
oblong, subobtuse, with narrowly involute margins, 4-nerved, usually 
marked with a deep pit above the middle ; upper involucral glume equal 
to the lower, lanceolate, acute, obscurely 3-nerved ; lower floral glume 
much shorter, oblong-lanceolate, glabrous, nerveless ; upper floral glume 
reduced to an awn J-f inch long, the column about equalling the 
subulate portion. Anthers y 1 ^- inch long. Pedicellate spikelets : 
Pedicels j 1 ^ inch long. Glumes 2 ; lower involucral-glume -J inch long, 
lanceolate, acute, with slightly incurved margins, the keels above 
aculeately scabrid, 5-nerved, pitted or not ; upper involucral glume 
equalling the lower, linear-lanceolate, acute, 3-nerved. 
Fruits : — March (Schweinf.). 
Locality : — Dry gravelly plains of Goldmore Valley, ravine above the 
European cemetery of Steamer Point, above the coal-depots of the 
Messag. Marit. (Schweinf.), sandy plains of Maala (Defh), slope of 
Shum Shum Range (Ellenbeck) . 
Distribution : — Canaries, Cape Verd Islands, Egypt, Abyssinia, 
Eritrea, Arabia, S. Persia, Sind, Deccan, throughout the drier parts 
of India. 
2. Andropogon Iwarancusa Jones in Asiat. Research. IV (1795) 
109. var. laniger Hook. FI. Brit. Ind. VII, 203; Cooke FI. Bomb. Pres. 
II, 976. 
Andropogon laniger Desf. FI. Atlant. II, 379 ; Kunth Enum. PI. I, 
493; Steud. Syn. Gram. 386 ; Hack. Monogr. Androp. 598; Aitchis. 
Cat. Panj. PI. 174 ; Duthie Grass. N. W. Ind. 20, Fodd. Grass. N. 
Ind. 35, t. 23; Lisboa in Bom. Journ. Nat. Hist. Soc. VI (1891) ; 
Boiss. FI. Or. VII, 465 ; Batt. et Trab. FI. d*Alg. p. 33. 
Andropogon Arriani Edgew. in Journ. Linn. Soc. VI (1862), 208. 
Andropogon circinnatus Hochst. et Steud. ex Steud, Syn. Gram. 
387. 
Andropogon eriophorus Willd. Sp. PL, IV, 90. 
Andropogon Olivieri Boiss. Diagn. V, 76 ; Steud. 1. c. 387. 
Andropogon commutatus Aitchis. in Journ. Linn. Soc. XIX (1882) 
19 1 (non Steud.). 
