266 
FLOJtA OF ADEN. 
(rarely 3 or 4) -celled ; ovules 4 (rarely 6) ; style filiform ; stigma capi- 
tate, entire or 2 — 3-globose (rarely stigmas 2-linear). 
Capsule 4 — 6-valved, rarely indehiseent. Seeds usually 4 or 6 
(rarely solitary) , glabrous, bearded or uniformly velvety or woolly. 
Species about 400. 
Distribution : — Tropical and warmer regions of the globe. 
Leaves not acuminate, usually bilobed or emarginate . . 1. I. biloba. 
Leaves acuminate . . . . . . . . 2. I. calycina. 
1. Ipomoea biloba Forsk. FI. Aeg.-Arab. p. 44 ; Hook. FI. Brit. 
Ind. IV, 212. 
Ipomoea maritima R. Br. Prodr. 486. 
Ipomosa pescapras Roth. Nov. Spec. p. 109. 
Convolvulus pescaprse L. Sp. PL ed. 2, 228. 
Convolvulus maritimus Lam, Encvcl. Ill, 550. 
Convolvulus bilobatus Roxb Hort. Beng. 14 et. PL Ind. I, 485. 
Batatas maritima Bojer Hort. Maurit. p. 225. 
Description : — Root large, long, with a thick brown bark ; stems 
numerous, very long, prostrate, weak, rarely twining, cylindric, glabrous. 
Leaves 1J — 2J by 2 — 3 inches, usually broader than long, usually deeply 
2-lobed (the division often extending half-way down, though some- 
times the leaf is only emarginate), fleshy, conspicuously parallel-veined, 
glabrous, cuneate or truncate at the base ; petioles) — 3J inches long, 
glabrous. 
Flowers large, usually solitary (sometimes 2—3 ); peduncles erect, 
1 — 4J inches long ; bracts beneath the pedicels lanceolate, caducous ; 
pedicels f — If inches long, stout. Calyx glabrous, the 2 outer sepals- 
smaller than the inner, J by J inch, oblong, obtuse, apiculate, the 3 
inner J by § inch, elliptic-oblong, obtuse or emarginate, apiculate. Corolla 
n-2 inches long, tubular-infundibuliform, brilliant rose-purple with a 
deepet colour in the tube, glabrous ; lobes shallow, acute, apiculate. Fila- 
ments dilated and hairy at the base. Ovary glabrous. 
Capsules J — f inch long, ovoid, glabrous. Seeds villous. 
Locality : — Aden, without precise locality (Birdw.) ; Shaikh CPthman^ 
cultivated (DefL). 
Distribution Sea-shore of both hemispheres throughout the Tropics. 
2, Ipomoea cal) clan C. B. Clarke in Hook f. FI. Brit. Ind. IV, 201 ; 
Cooke FI. Bomb. Pres. II, 242. 
Ipomoea calycina Benth. sec. C. B. Clarke in Hooker f. FI. Brit. 
Ind. IV. 201. * 
Ipomoea sagittata Roxb. Ic. ined. [non Desf.). 
