305. 



Spec. Cvf-AV.. Stem hairy : leaves cordate-acuminate, younger^ 

 ones sometimes almost 3-lobed, large, hairy, petioled : peduncles' 

 very short, umbi?llately, many-flowere4,: sepals oblong-lajjceol^te, 

 acute, hirsute externally : corolla dilated at the base: scales ovate- 

 lotund, glahrous. 



Silhet. 



GENUS Vni. IPOMiEA. 



Pentandrj|a Honosynfia.. Sex,: Syst.- 



T)eriv. , From Ips, bindweed, and £[omoioSf, similar; alluding'- 

 to the twining habit of the plaflits, 



Gen. Chae. Sepals five ; corolla campanulate : stamens in- 

 cluded. : stigma capitate, often 2«lobed : ovary 2-celled, cells 2« 

 seeded : capsule 2-celled. — ^Herbs, undershrubs or even .trees, 



I (1) I> HUMiciFOLiA. {Choisy.) 

 Ident. Choisy. Cojiv. or. p. 65. — -Dec. prod- IX. p,. 351. 

 Engrav. Visiani 111. Ic. t, 1 . fig. 2. 



Spec. Char. Stem h^rba^eous, diffuse, hairy, hairs dark-glan- 

 dular : leaves cordate-reniform, obtuse at the apex, glabrous, entire . 

 at the margin, long-petioled: pedunples ancillary, solitary, two or 

 three, 1-2-flowered, not equalling the petioles ; sepals linear-l.anc^- 

 plate, hairy, very acute : corolla glabrous, scarcely exceeding th^ 

 calyx: seeds glabrous, or, shortly tomentose. 



Travancore. 



(2) L ANCEP-s. (Roem. ^ ScfiuU.) 



Ident. Bpem. & Schult. 4. p, 231. — Dec, prod. IX;. p. 360* 



Syn. Convolvulus anceps, Linn. Mant. 43i- 



Spec. Char. Stem 4-winged : leaves cordate-oblong, subsagit- 

 tate or ovate, mucronulate at the apex, often glabrous ; peduncles 

 2- 5- flowered, bracteate at the apex. 



Bengal. 



(3) I. TUBEROSA. {Linn.) 



Ident. Linn^ Sp. 227. — Deo. prod. IX. p. 363. 



Syn. Convolvulus tuberosus, Spreng. — C. Major, Shane. 



Engrav. Bot. Reg. t. 768. — Sloane Jam. I. t. 96. f. 2. 



Spec. Char. Stem thick, glabrous : leaves palmately. 7-parte(3, 

 lobes elliptic-lanceolate, entire, acute, petioles long : peduncles 

 ^jxceeding the petiole, rigid, smooth, bifurcately many-flowered 3, 



