FLORA OF ADEN. 
239 
Fruit a sub globose berry ; seed solitary, globose, exalbuminous. 
Species 1. 
Distribution /—Yemen, Abyssinia, Kordofan (probably not in India). 
1. Dobera glabra (Forsk.) DC. Prodr. XVII, 31. 
Tomex glabra Forsk. FI. Aeg.-Arab. p. 32. 
Dobera Roxburghii Planch, in Ann. Sc. Nat. 3, X, 191 ; Hook. Fl. 
Brit. Ind. Ill, 619. 
Schizocalyx coriaceus Hoclist. in Flora (1811) Beil. 2. 
Blackburnia oppositifolia [error pro B. monadelpha) Roxb. Fl. Ind. 
ed. C. and W. I, 135, fide Planch. 1. c. 
Arabic name : — Dobra. 
Description . — ‘A fine tree. Leaves 3J — 1J inches, elliptic, acute, 
mucronate or obovate-obtuse, coriaceous ; petiole £ — -J- inch. 
Panicles If— 3 inches ; bracts 0 ; bracteoles inch, ovate, close to 
the calyx. Calyx inch, ovate-cylindric, subspathaceous. Petals A 
inch, white, free. Filaments united for two-thirds their length into a 
sub-quadrangular tube. 
Berry finch in diameter; endocarp crustaceous. 
The structure of the ovary needs further examination. Bentham and 
Hooker call it 1-celled, Hochstetter 1 — 5 -celled, Forskal 2-celled and 
Knoblauch ‘ probably 2-celled/ 
Locality : — Little Aden : dunes at the entrance of ravines on the 
southern side of the Jebel Ihsan (Defl.). 
Distribution : — Yemen, Abyssinia, Kordofan. 
XXIX. — APOCYNACEdE. 
Trees, shrubs or herbs with simple entire leaves ; juice frequently 
milky ; stipules 0 or small gland-like, intra- or inter-petiolar. 
Flowers regular, in terminal or axillary | cymes. Calyx inferior, often 
glandular; lobes 5 — 4, imbricate. Corolla gamopetalous, usually rotate 
or hypocrateriform ; lobes 5 — 4, spreading, contorted, and often twisted 
in bud. Stamens 5 — 4, epipetalous ; filaments usually short ; anchers 
linear-oblong or sagittate, cells 2, dehiscing longitudinally ; pollen 
granular. Disk various. Ovary 1-celled with 2 parietal placentas, or 
2-celled with axile placentas, or of 2 distinct or partially connate carpels ; 
style one, simple or divided at the base ; stigma various. 
Fruit a dry or fleshy drupe, berry or samara, or of 2 drupes, berries 
or follicles. Seeds various, sometimes winged, sometimes with a pencil 
D 
