112 CONVOLVULACE^E. [Ipomjja. 



Sepals glabrous. 

 An aquatic plant, stems trailing in 

 mud or floating . • . .7.1. reptans. 



Terrestrial plants. 

 Two outer sepals shorter than the 

 inner, corolla 1£ in. long or 

 more . . . . . 8. I. sepiaria. 



Sepals subequal, corolla f-1 in. 

 long . . . . . . 9. I. obscura. 



Leaves lobed, (occasionally entire in I. pes-tig- 

 ridis). 



A prostrate glabrous herb, leaves digitately 

 or the upper sometimes pedately 3-7-par- 

 tite ; corolla white, less than 1 in. long . 10. I. disseda. 



Twining herbs. 



Flowers in lax usually subumbellate 

 cymes, not surrounded by large persis- 

 tent bracts, sepals with long ligulate 

 tips ; corolla light-blue tinged with pink 

 or orange-coloured below, over 1| in. 

 long . . . . . . . 11. I. hederacea. 



Flowers in dense long-peduncled heads, 

 surrounded by large persistent outer 

 bracts ; corolla white or pale-pink, 

 under 1£ in. long 12. I. pes-tigridis. 



1. 1, calycina, Clarice in F. B. I. tv, 201 ; Train Beng. PI. 734 ; 

 Cooke Fl. Bomb, ii, 242. Convolvulus calycinus, Roxb. ; Fl. Ind. i, 471. 



A twining herb with villous stems. Leaves 2-3 in. long, ovate, acuminate, 

 entire, sparsely hairy or nearly glabrous ; base cordate, with a wider 

 sinus; petiole slender, £-1^ in. long, villous. Flowers 1-3 together; 

 peduncles and pedicels about f in. long, pedicels in fruit deflexed, 

 bracts \ in. long, ovate-cordate, acute. Sepals in flower i in. long, un- 

 equal, ciliate ; the outer ones (in fruit) £ in. long lanceolate-sagittate 

 with obtuse lobes ; inner linear-lanceolate. Corolla scarcely 1 in. long 

 tubular, white. Capsule % in. long, ovoid, pointed, deflexed, glabrous. 

 Seeds villous, the margins fringed with long white silky hairs. 



Jumna ravines near Agra (Duthie), Bund elkhand (Edgeworth), Merwara 

 (Duthie). Flowers October. Distrib. W- Himalaya (Royle), Behar, 

 Chota Nagpur and the Deccan ; also in Trop. Africa and Formosa. 



2, I. barlerioides, Clarice in F. B. I. iv. 201 ; Train Beng. Tl. 734; 

 Cooke Fl. Bomb, ii, 243. Aniseia barlerioides, Chois. ; Royle III. 207. 



A hairy twining perennial herb. Leaves 1-3 in. long, ovate-oblong, sub" 

 acute, often mucronate, hairy on both sides, base cordate or rounded ; 



