1837.] 



of the Peninsula of India. 



Leaves obovate-cuneate, emarginatej pe- 

 duncle 3-6 flowered , 17 A. cuneata. 



elliptical ovatG) or obovate ; pani- 

 cle lax corymbose «. 18 A. elliplica. 



Flowers capitate, leaves tomentose un- 



| derneath 19 A- aggregata, 



— corymbose or cymose. q. 



Stem and underside of leaves hirsute or 

 strigose with adpressed hairs ; peduncles 

 a little longer than the petiole 20 A. setosa. 



— and leaves more or less pubescent ; 

 peduncles the length of the leaves 21 A. cymosa. 



3. Quamoclit. Ch. 

 Leaves entire, or angled, or 3 lobed 22 Q. phoenicea. 



— pinnately cut 23 Q. vulgaris. 



4. Batatas. JRumph. and Choisy. 

 Leaves entire, angled or cleft — a. 



quinate : stem twining, hirsute.. 24 B. pentaphylk 



Sepals ovate lanceolate, a little unequal : 

 stems usually prostrate j peduncles few 



flowered 25 B. edulis. 



— roundish, ovate, equal : stem twining 

 glabrous : peduncles many flowered. . . 26 B. paniculata. 



5. Pharbitis. Ch. 



Leaves entire ; pedicels longer than the 

 bracts, nearly as long as the sepals .... 27 P. hispida 



— - 3 lobed or entire, pedicels usually 

 shorter than the bracts, about $ of the 

 length of the sepals 28 P. nil. 



6. Calonyction. Ch. 



Sepals equal, with an awl-like point ; flow- 

 ers, larg»e, white 29 C. speciosum. 



< flowers smaller, purplish 30 C. speciosum. 



•—■ — unequal, obtuse, or with a very 

 short point 31 C. asperum. 



7. IpoMiEA, Linn. 

 Stems not twining— a. 

 — — twining — g. (§ Strophipomoea.) 



