364 114. PIPERACER. 
1. Gymnotheca chinensis, Decne. in Ann. Sc. Nat. 3™° série, 
iii. p. 100, t. 5; Benth. et Hook. Gen. Pl. ii. p. 128, sub 
Houttuynia; Hook. Ic. Pl. xix. t. 1873. 
HuprEH: Ichang and immediate neighbourhood (4. Henry, 
4180 !); SzecHUEN : mount Omei at 3000 feet (Faber !) ; Kwane- 
TUNG: without locality (Ford!). Herb. Kew. 
1. Houttuynia cordata, Thunb. Fl. Jap. p. 234, t. 26; C. DC. in 
DO. Prodr. xvi. 1, p. 288; Benth. Fl. Hongk. p. 334; Debeauz, 
Fl. Shangh. p. 585 Franchet, Pl. David. p. 258; Maxim. in Bull. 
Soe. Nat. Mosc. 1879, p. 53; Hook.f. Fl. Brit. Ind. v. p. 78; 
Bot. Mag. t. 2781. 
Polypara cochinchinensis, Lour. Fl. Cochinch. p. 61. 
Kianasu: Shanghai (Maingay !); Cuextana: Ningpo ( Han- 
cock!); Foxen: Amoy (Fortune, 106!); Formosa: Tamsui 
and other localities (Wilford, 557! Oldham, 464!) ; HvurEH: 
Ichang, Chienshih, Nanto and mountains to the northward 
(A. Henry !); SzECHUEN : common (Fuber!); Kwanatune: Lo- 
faushan (Ford!) ; Hoxakoxa (Wright!); Lucnu ARCHIPELAGO 
(Wright !). Mus. Brit.; Herb. Kew. 
Northern and Eastern India, Siam, and Japan. 
i. Piper aurantiacum, JVall.; C. DC. in DO. Prodr. xvi. 1, 
p. 357; Hook. f. Fl. Brit. Ind. v. p. 86? 
Chavica Wallichii, Mig. Syst. Pip. p. 254, et Illustr. Pip. p. 98 
t. 33? 
Huren : Ichang, Nanto and mountains to the northward (4. 
Henry, 3120, 3311, 3311 A, 3393!). Mus. Brit.; Herb. Kew. 
Eastern India and Java. 
The Chinese speeimens have not been identified beyond ques- 
tion with the Indian species. 
[Piper Betle, Linn., P. longum, Linn., and P. nigrum, Linn., are 
enumerated by Loureiro (Fl. Cochinch. pp. 29-32), and may be 
cultivated in South China.] 
2. Piper Chaba, Hunter in Asiatic Researches, ix. p. 391, nec 
Blume, ex Hook. f. Fl. Brit. Ind. v. p. 83. 
Piper Officinarum, C. DC. in DC. Prodr. xvi. 1, p. 356. 
Chavica Officinarum, Mig. Syst. Pip. p. 256, et Illustr. Pip. P. 39, 
t. 34. 
CnurNA: without locality (Millett!). Herb. Kew. 
