202 ci. COXVOLVULACEJE. (C. B. Clarke.) [Ipomcea. 



14. X. dig'itata, Linn. ; Meissn. in Mart. Brasil. vii. 278, with all syn. ; 

 glabrous, leaves large palmately 5-7-lobed, peduncles many-fld. longer than 

 the petioles, sepals elliptic shortly acute glabrous, seeds woolly with hair.8 

 in. long 1 . Chois. in DC. Prodr. ix. 389, char, emend. I. paniculate, Br. Prodr. 

 486; Bluine Bijd. 709; Hot. Reg. t. 62, not of Burin. I. mauritiana, Jacq. 

 Hort. Schoc-nb. i'i. 39, t 200. I. gossypifolia, Willd. Enum. Hort. Berol. 208. 

 I. eriosperruu, Beauv. Fl. Owar. et Ben. ii. 73, t. 105. I. insignis, Andr. Bot. 

 Rep. f. 635; Bot. Reg. t. 75 ; Bot. Mag. t. 1790. I, tuberosa, G. F. W. Mey. 

 Esseq. 10:2. I. plantensis, Bot. Reg. t. 333; Bot. Mag. t. 3685 ; Chois. in DC. 

 Prodr. ix. 387. Convolvulus paniculatus, Linn. Sp.' PL 223; Roxb. Fl. Ind. 

 i. 478, and ed. Carey $ Watt. ii. 63 ; Wall. Cat. 1350. 0. digitatus, platensis, 

 and insignis, Spreng. Syst. i. 591, 592. 0. roseus, Kunth. in Humb. $ Bonpl. 

 iii. 108, not of Mitt. Batatas paniculata, Chois. Convolv. Or. 54, t. l,fig. 2, and 

 in DC. Prodr. ix. 339 ; Wight in Madras Journ. v. 4, t. 11 ; Dalz. fy Gibs. 

 Bomb. Fl. 167. B. edulis, Chois. in DC. Prodr. ix. 339, var. y only. 



TROPICAL INDIA ; common, from Bengal and Assam to Ceylon ; not in the drier 

 western portion. DISTRIB. Tropical Asia, Africa, America and Australia, in moist 

 climates. 



A large, scandent perennial. Leaves 3-7 in. cliam., often lobed nearly to the 

 base ; lobes lanceolate or elliptic, often spathulate ; petiole 2-5 in. Peduncles often 

 6 in. ; bracts deciduous ; flowers not capitate. Sepals ^-^ in., wider concave in fruit. 

 Corolla 1^-2^ in., widely campanulate, glabrous, pink-purple. Anthers never twisted. 

 Ovary completely 4-celled, unless perhaps near the top. Capsule ^ in., ovoid, com- 

 pletely 4-celled to the apex, 4-valved, the long wool from the seeds exsert from the 

 fissures. 



15. I. pentaphylla, Jacq. Ic. Rar. t. 319, not of Cav. ; thinly hirsute, 

 leaves digitate, leaflets broad-lanceolate subsessile, peduncles long laxly 

 dichotomous, sepals large elliptic outer patently hirsute, seeds glabrous. 

 Meissn. in Mart. Brasil. vii. 287, with all syn. I. pilosa, Cav. Ic. iv. 11, t. 



nemorosus, Roem. <$- Sch. Syst. iv. 303. Batatas pentaphylla, Chois. Convolv. 

 Or. 54, and in DC. Prodr. ix. 339 ; Wight Ic. t. 834 ; Dalz. $ Gibs. Bomb. FL 

 167. Spiranthera pentaphylla, Bojer Hort. Maurit. 226, 



W. INDIA ; Hindoostan, Gujerat, W. Deccan Peninsula, frequent. DISTRIB, 

 Africa, Polynesia, Tropical America ; often cultivated. 



A twining annual. Leaflets 2-4 in. ; petiole 2 in. Peduncles 1-4 in. ; bracts -| 

 in., linear; pedicels ^-2 in., fulvous-hirsute. Sepals ^ in , obtuse or subacute; in 

 fruit enlarged, sometimes nearly 1 in. Corolla 1 in., wide-funnel-shaped, glabrous, 

 white' or ochroleucous. Ovary completely 4-celled. Capsule ^-^ in., ovoid, papery, 

 completely 4-celled ; endocarp separating, with a hole opposite the back of each 

 seed. 



16. I. Batatas, Lamk. Enc. vi. 14; glabrous or sparingly hairy, leaves- 

 ovate-cordate acute angular or more or less lobed, peduncles long many fld.,. 

 sepals elliptic shortly acute glabrous, seeds glabrous. Meissn. in Mart. Brasil. 

 vii. 282. I. Catesbsei, G. F. W. Mey. Esseq. 103. Convolvulus Batatas, 

 Linn. ; Roxb. FL Ind. i. 483, and ed, Carey fy Wall. ii. 69 ; Blume Bijd. 712 ;. 

 Wall. Cat. 1356. 0. indicus, Moris. Hut. ii. sect. 1, t. 3, fig. 4. C. edulis, 

 Thunb. Fl. Jap. 84. C. esculentus, Salisb. Prod. 123. Batatas edulis, Chois* 

 Convolv. Or. 53, and in DC. Prodr. ix. 338. B. xanthorhiza, Bojer Hort. 

 Maurit. 225. Rumph. Herb. Amb. v. t. 130. Rheede Hort. Mai. vii. t. 50. 



Cultivated in INDIA, but not extensively. Native of America. 



Tubers red, white or rarely yellow. Stem usually hairy. Flowers 2 in. and 



