93. CONVOLVULACER. 157 
Macao (Silva ex Henriques); Howakoka (Hance!) ; HAINAN 
(Swinhoe!). Mus. Brit.; Herb. Kew. 
Generally spread in the tropics of the Old World. 
[Ipomaa Batatas, Lam. (syn. Convolvulus Batatas, Linn. ; 
Batatas edulis, Choisy), a native of America, is cultivated 
throughout China.—Bretschn. Early Res. p. 163; Debeaux, FI. 
Shangh. p. 44; Fl. Tehef. p. 100; Clarke in Hook. f. Fl. Brit. 
Ind. iv. p. 202. See note under J. fastigiata, Sweet.] 
2. Ipomea aquatica, Forsk. Fl. Zgypt.-Arab. p. 44; Clarke 
in Hook. f. Fl. Brit. Ind. iv. p. 210; Poir. in Lam. Encycl. vi. 
p. 18. 
Ipomeea reptans, Poir. in Lam. Encycl., Suppl. ii. p. 460; Debeaur, 
Fl. Shangh. p. 44; Bretschn. Early Res. pp. 117 et 163 ; Maxim. in Mél. 
Biol. xii. p. 496. 
Convolvulus reptans, Linn. Sp. Pl. ed. 1, p. 158; Lour. Fl. Cochinch. 
p. 109. 
Convolvulus repens, Vahl, Enum. Pl. i. p. 17. 
Ipomoea repens, Roth, Nov. Sp. p. 110. 
Cuina: cultivated throughout (Bretschneider! A. Henry! 
Bourne!), and perhaps also wild. Mus. Brit.; Herb. Kew. 
Tropical Asia, Africa, and Australia. 
3. Ipomea biflora, Pers. Syn. Pl. i. p. 183, non R. Br.; 
Bretschn. Early Res. p. 103. 
Aniseia biflora, Choisy in DC. Prodr. ix. p. 431. 
Convolvulus biflorus, Linn. Sp. Pl. ed. 2, p. 1668, 
CursA: without locality (ex auct. var.). 
From the brief description this is probably I. Hardwickii, 
Hemsl., syn. Aniseia calycina, Choisy. 
4. Ipomea biloba, Forsk. Fl. Ægypt.-Arab. (1775), p. 44; 
Clarke in Hook. f. Fl. Brit. Ind. iv. p. 212; Hemsl. Bot. ‘ Chal- 
lenger’ Exped. i. 1. p. 79, et 2. p. 169. 
Ipomeea Pes-capræ, Sweet, Hort. Suburb. ed. 1 (1818), p. 35; Roth, 
Nov. Sp. Pl. (1821), p. 109; DC. Prodr. ix. p. 319; Benth. Fl. Hongk. 
p. 238; Henriques in Bol. Soc. Brot. iii. p. 146. 
Ipomeea maritima, R. Br. Prodr. Fl. Nov. Holl. (1810), p. 486; Bot. 
Reg. t. 319. 
Formosa: Tamsui (Oldham! Hancock!); Pratas IsrAND 
