35 2 
FLORA OF ADEN. 
Locality : — South-western shore of Khor Bir Achmed at a depth 
of 5-10 feet (Defl.). 
Distribution : — Coasts of the Indian and Pacific Oceans. 
3. Cymodocea isoetifdlia. Aschers. in Sitzungsber. Ges. Naturf. Fr. 
Berl. (1867) p. 3 ; Linnaea XXXV, 163 ; Nuovo Giorn. Bot. II, 182 ; 
Boiss. FL Or. V, 22; Benth. FI. Austral. VII, 178; Hook. FI. Brit. 
Ind. VI, 570. 
Cymodocea sequorea Kunth Euum. PI. Ill, 118 (excl. syn.) ; 
Thw. Enum. p. 333. 
Description : — Rhizome slender, short, red, the leaf-scares forming 
open rings. Leaves terete, grooved, 3-5 inches long, ^ inch broad, 
bright green, pale glaucescent when dry, longitudinally sulcate, retuse 
at the apex ; sheath cylindrical-obconical, up to If inches long, in the 
upper part ^-f-inch broad. 
Flowering branch in the lower part laxly distichously branched. 
Inflorescence cvmose, multiflowered, finally passing into spiciform cymes. 
Flowers involucrate with 2 bracts, which are as long as the sheath. 
Anthers inch long. 
Fruit | inch long. 
Locality : — South-eastern shore of Aden, February 1890 (Defl.). 
Distribution : — Indian and Pacific Oceans. 
LV—CYPERACEtE. 
Perreuial, rarely annual herbs with the habit of grasses ; roots 
fibrous ; stem terete or 3-angled, usually simple. Leaves grass-like, 
rarely 0, 3-ranked, mostly crowded at the base of the stem (the upper 
fewer), with tubular sheaths which are more or less closed or the lower 
split to the base ; ligule 0 or a short prolongation of the mouth of the 
sheath opposite to the blade. 
Inflorescence of solitary, fasciculate, paniculate or spicate spikelets, 
composed of small distichously or spirally imbricate scales (glumes) ; 
flowers minute, 1-2-sexual, in the axils of the glumes. Perianth 0, or 
of 2 or more hypogynous bristles or scales (ovary enclosed in a utricle 
in Carex) . Stamens 1-3 ; filaments flattened ; anthers basifixed, linear. 
Ovary 1 -celled ; ovule solitary, basal, erect, anatropous ; style short 
or long ; stigmas 2-3. 
Fruit a compressed or trigonous nut. Seed erect, free ; embryo 
minute, within the base of the floury albumen. 
