FLORA OF ADEN. 
247 
flowers in the same umbel, J line long, compressed, subtriangular in out- 
line viewed sideways, subtruncate at the base, adnate to the column for 
1 of their length, with a free narrowly oblong subacute or acute apex. 
Follicles 2 — 3 inches long and about J inch thick, lanceolate, acumi- 
nate into a beak, smooth, glabrous. 
Locality : — Shaikh CPthman (Defl.) . 
Distribution : — S. Arabia (Lahadj, El Hadjar, Shonkra), Dahlak 
Island in the Eed Sea, Nubia, Eritrea, Abyssinia, drier parts of India. 
4. Steinheilia Dene. 
A perennial herb, the rhizome giving off one or two leafy stems. 
Leaves rosulate, petiolate, cordate or rotundate-cordate, mucronate, 
hoary, reticulately veined ; primary leaves subreniform. 
Flowers umbellate, violet. Calyx 5-partite. Corolla campanulate, 
5-fid ; throat with 5 emarginate scales ; at the base of the tube 5 pits 
with alternate scales. No staminal corona. Gynostegium included in 
the tube, covered at the apex with scales, stipitate, striate. Anthers with 
2 lateral, cartilaginous, black horns, which are united with the corpuscles 
of the stigma, at the apex with an oblong membrane. Pollen-masses 
subcompressed, clavate, pendulous. Stigma muticous. 
Follicles ovoid, rostrate at the apex, fleshy, smooth ; seeds comose. 
Species 1. 
1. Steinheilia radians (Forsk.) Dene, in Ann. Sc. Nat. ser. II, IX, 
339 ; Anders. Journ. Linn. Soc. Y, Suppl. p. 24. 
Asclepias radians Forsk. FI. Aeg.-Arab. p. 49. 
Description ■ Leaves lurid-green, violaceous on the lower surface, 1 
inch long, 1J inches broad ; petiole \ inch long. 
Peduncles axillary, solitary, multiflowered, tomentose, 1 — 2 inches 
long. Pedicels short. Calyx-segments lanceolate, incano-hirsute. 
Corolla 5 lines long, twice as long as the calyx, glabrous ; lobes erect, 
lanceolate, acute, contorted. 
Follicles solitary by abortion. 
Mowers : — January 1880 (Balfour), March 1878 (Perry), April 1861 
(Thomson), April 1894 (Lunt), May 1859 (Anderson), May 1873 
(Hildebrandt), June 1872 (Hildebr.). 
Fruits : — J une 1872 (Hilderbr.) . 
Locality : — Plain of Maala (Schweinf.) ; on the south-western slope 
of the Shum Shum Range (Defl.) ; great valley between Steamer Point 
and town (Marchesetti) ; in sandy places, very rare (Anderson) ; Plain 
of Maala, nearly sea-level (Lunt) ; in sandy places (Perry) ; in loco saxoso 
