322 
FLORA OF ADEN. 
or decumbent. Leaves opposite, obliquely broadly or narrowly oblong, 
obtuse, serrulate, nerves distinct, base rounded or cordate, 4—1 inch long, 
rarely more or less, not coriaceous. Stipules minute, setaceous, lacerate, 
or 0. 
Involucres very minute, turbinate, glabrous, with quite entire minute 
bracts at the base of the pedicel, in axillary and terminal usually pedun- 
cled and many-flowered cymes ; glands very shortly stipitate ; lobes 
usually projecting above the glands ; limb of the latter white or pale 
pink, always small but very variable in size, sometimes 0. 
Capsule subglobose ; cocci more or less pubescent or glabrous. Seeds 
with a thin mucous coat, bluish when dry, very variable as to the amount 
and depth of the shallow depressions on the faces which are often 
obsolete. 
Locality : — Aden (Hook., Anders., Marchesetti ?) . 
Distribution : — Tropics of both hemispheres, except Australia and the 
Pacific Islands, ascending to 4,000 feet in the Himalaya. 
2. Euphorbia arabica Hochst. et’ Steud. in Schimp. PI. Abyss, 
n. 756 ; DC. Prodr. XV, 2, 33 ; Anders. Journ. Linn. Soc. V, Suppl. 
p. 34. 
Description : — A perennial undershrub, up to 1 foot high, erect, 
glabrous. Stem woody, terete, branching. Leaves opposite, remote or 
approximate, unequal, linear-lanceolate or ovate-lanceolate, mucronate, 
glabrous, 2 lines-1 inch long, 1 line broad. Stipules very narrowly 
lanceolate. 
Flowers axillary, mostly solitary ; peduncle glabrous, short ; involu- 
cre pyriform, glabrous, with ovate, fimbriate-ciliate teeth ; glands 
rotund, inside at the base ciliate. Ovary and stipe glabrous ; styles 
divaricate, free at the base; stigmas bifid. Capsule angular; seeds 
smooth, yellowish-red. 
Flowers and fruits .-—Nov. 1888 (Schweinf.), Dec. 1847 (Hook.), 
Febr. 1857 (Thomson), March 1878 (Perry), March 1881 (Schweinf,), 
April 1894 (Lunt). 
Locality : — Near the sea (Hook.) ; top of Skum Shum Range between 
1,300 and 1,750 feet (Busse); plain of Maala (Defl.); great valley be- 
tween Steamer-Point and town (Marchesetti); near the Telegraph Office, 
nearly sea-level (Lunt) ; without locality (Hildebrandt, Schweinf., 
Wichura, Beevor, Birdvv., Perry). 
Distribution : — Nubia, Abyssinia, Jidda, Yemen, Angola, Natal. 
Note : — Schweinfurth (Bull. Herb. Boiss. (1899) Append. II, p. 313) 
calls his specimens collected at Aden var. brevifolia Boiss. in DC, 
Prodr. XV, 2, p. 33. He describes his plant as follows : 
