FLORA OF ADEN. 
SOI 
Cymbopogon arabicus Nees ex Steud. 1. c. 
Cymbopogon circinnatus Hochst. in Schimp. PL Arab. Exsiec. ed. 
2 (]844) n. 783. 
Cymbopogon Arriani Aitchis, 1. c. 
Cymbopogon laniger Duthie in Atkins. Gaz. N. W. Ind. 640. 
Gymnanthelia lanigera Anderss. in Schweinf. Beitr. EL Aethiop, 
300 . 
Names : — Izkhir (Arabic) ; Ginger Grass. 
Description : —Whole plant of a pale often glaucous green, perennial. 
Stem short, tufted on an annulate creeping rootstock ; roots aromatic. 
Leaves junciform ; lower sheaths hardened, persistent. 
Panicle narrow, subsimple; proper spathes J — § inch long, longer 
than the peduncles of: the racemes, narrowly lanceolate ; racemes J | 
inch long, unequal ; joints of rhachis and pedicels of upper spikelets 
subclavate, densely villous with long hairs, the hairs more or less 
concealing the sessile spikelet, the tops cupular, toothed; spikelets 3 or 
4 pairs. Sessile spikelets reaching \ inch long, linear-lanceolate, acute ; 
callus acute, densely bearded with long whitish hairs. Glumes 4 ; lower 
involucral glume -J- inch long, linear-lanceolate, thin, flat, glabrous, 
nerveless, keels scaberulous ; upper involucral glume ^ inch long, ovate, 
acute, cvmbiform, thinly membranous, 3-nerved ; lower floral glume 
^ inch long, linear-oblong, obtuse, hyaline, 2-nerved ; upper floral 
glume ^ inch long, 2-fid, hyaline, ciliate ; awn from the sinus J inch 
long, slender, glabrous. Pedicellate spikelets scarcely longer than the 
sessile, narrowly lanceolate, purplish ; pedicels inch long ; lower 
involucral glume 7 — 9 -nerved, glabrous, with scaberulous keels ; upper 
involucral glume ovate-oblong, obtuse, 3-nerved, ciliate ; lower floral 
glume oblong, obtuse, hyaline, ciliate. 
Locality : — Little Aden ; ravines of Jebel Ishan (DefL). 
Distribution : — N. Africa, Arabia, Syria, Central and Southern 
Persia, Sind, N. India. 
The following species is cultivated at Shaikh Othman : 
3. Andropogon Sorghum Brot. FI. Lus. I, 88. 
vau. bicolor Hack. Androp. in DC. Monogr. Phan. YI, 519. 
English name : Great Millet, Guinea Corn, Turkish Millet. Arabic 
name : Gherb (Schweinf.), dura (variously written dhurra, dhaura, 
douro), (jowari in India) . 
Description : — A tali handsome annual grass, usually very robust. 
Leave-blade linear-lanceolate or linear from an often rounded base, long 
