96. CONVOLVULACE^. [11. Ipomcea. 



Not uncommon in open jungle and Arhar fields. Singbhum ! Hazainbagh ! 

 Palamau, Gamble ! Annual. Fl. r.s. Fr. Sept. -Nov. 



L. with about 5-6 sec. n. of which 2-3 from the base, hairy or somewhat g-lab- 

 rescent. Petiole slender, 1-2" long with retlexed hairs. Cymes sometimes with a 

 peduncle S-'o" long, hirsute. Pedicels very short, bracteolate. Sepals very 

 imbricate, two outer nearly enclosing the others, orbicular with a long spreading 

 acumen or cusp. Corolla *5" long pubescent, lobes acute. Seeds glabrous or 

 puberulous, grey. 



5. I. inYolucrata, Beauv. Syn. I. pileata, Roxh. 



A slender twiner with patently liairy stems and hairy broadly ovate 

 deeply cordate petioled leaves 2-3" long and broad, and flower-heads 

 remarkable for their broad entire boat-shaped involucre consisting of 

 one bract (or perhaps two connate bracts) cuspidate each end. Fls, 

 pale pink. 



Northern Bengal (without precise locality), Cal. Kerb. ! Fl. Oct. 



It somewhat resembles the entire-leaved form of /. pes-tigridi». 



6. I. pes-tigridis, L. Languli-lata, Beng. 



A rather slender twiner, fulvous hairy or hirsute all over with 

 spreading hairs and deeply palmately 5-9-lobed leaves 2-5" diam., 

 with lanceolate or elliptic acute or acuminate lobes contracted at the 

 base. Flowex's 1-1 '25" in long-peduncled heads with persistent long 

 bracts. Corolla pink funnel-shaped with spreading limb. Capsule 

 •25" ovoid, papery, glabrous. Seeds minutely velvety or nearly 

 glabrous. 



Banks of fields, waste ground, etc., in all districts, common. Fl., Fr. r.s. 



Petiole 1-2". Peduncles 2-i", rarely only 'b" (F.B.I.) . Heads dense. Outer 

 bracts ovate or elliptic, -7-1", inner smaller, narrower, acute. Sepals '^-'o", lanceo- 

 late, hardly accrescent in fruit. 



Var. capitellata, Clarke. 



The leaves are ovate-cordate, acute, entire. 



Extends to Bihar, C. B. Clarke. I have not met with it. 



7. I. pilosa, Stveet. 



A m.s. very hairy twiner with spreading somewhat SAVollen-based 

 hairs on stems, petioles and cymes. Leaves 2-6" ovate cordate with 

 sometimes also two lateral triangular lobes, Avhite cottony tomentose 

 beneath and with hairs on the nerves, hairy above. Flowers about 

 l"long (including the lobes), purple, in few-fld. persistently bracteate 

 cymes. Sepals •4-5" narrow-lanceolate with a slender acumen. Capsitle 

 •25" ellipsoid or globose glabrous. 



Behar, Bevg. PI. My specimens, however, were collected from the United Pro- 

 vinces outside our area. Fl., Fr. Sept. -Nov. 



Petioles about as long as the leaves. L. with very excurrent midrib. Peduncles 

 1-4" with a pair of reflexed narrow lanceolate hairy bracts at the end and similar 

 pairs at the cyme branches. Flowers usually 2-3 only. Corolla between cam- 

 panulate and funnel-shaped with the lateral nerves of the bauds scarcely stronger 

 than the intermediate. Seeds mostly' 4, pubescent or almost wooUj' at the margins. 



8. I. tridentata, Roth. 



A herb, not twining, with numerous prostrate stems 6-12" long- 

 from a woody rootstock and sessile or subsessile oblong, oblanceolate 

 or subquadrate, often hastate or lyrate leaves •25-'75", i-arely up t<;' 

 i'25" long, usually broadly truncate or emarginate at the tip which 



39 595 



