334 lll. POLYGONACEEX. 
. 5. Polygonum aviculare, Linn. Sp. Pl. ed. 1, p. 362; Meisn. 
in DC. Prodr. xiv. p. 97 ; Maxim. Ind. Fl. Pek. in Prim. Fl. 
Amur. p. 476; Debeaux, Fl. Tients. p. 38, et Fl. Tchef. p. 121, 
et Fl. Shangh. p. 52; Franchet, Pl. David. p. 253, et in Mém. 
Soc. Sc. Nat. Cherbourg, xxiv. p. 248; Hance in Journ. Bot. 
1883, p. 355; Hook. f. Fl. Brit. Ind. v. p. 26; Franch. et Kavat, 
Enum. Pl. Jap. ii. p. 478 (varietates plures). 
Curnit, Suinexrne and Corra to Hurem and Krawosr 
(Carles! Perry! Oldham! A. Henry ! and others). Maus. Brit.; 
Herb. Kew. 
Now generally dispersed in temperate regions, but believed to 
be indigenous only in Europe, North Africa, and Asia. 
6. Polygonum barbatum, Linn. Sp. Pl. ed. 1, p. 362; Meisn. 
in DC. Prodr. xiv. p. 104; Benth. Fl. Hongk. p. 288; Hance in 
Ann. Sc. Nat. 5me série, v. p. 240; Hook. f. Fl. Brit. Ind. v. 
p.37; Henriques in Bol. Soc. Brot. iii. p. 143. 
Cuina: without locality (Fortune, 411); Kranasu: Shanghai 
(Maingay!) ; Cuextane: Ningpo (Swinhoe, hb. Hance, 9232!) ; 
Foxren: Amoy (Hance, 1481!); Formosa: Tamsui (Oldham, 
426!), Takow (Playfair!); Huren: Ichang (4. Henry!); 
SzZECHUEN: Chungking to Kiating (Faber!); KWANGTUNG: 
Pakhoi (Playfair !), without locality (Sampson d Hance, 9392!) ; 
Lucnuu AngcnreELAGO (Beechey!). Mus. Brit.; Herb. Kew. 
Widely spread in tropical and subtropical Asia and Africa, and 
also found in North-eastern Australia. 
7. Polygonum Bistorta, Linn. Sp. Pl.ed. 1, p. 360; Meisn. in 
DC. Prodr. xiv. p. 125; Franch. et Savat. Enum. Pl. Jap. ii. 
p. 479; Maxim. Ind. Fl. Pek. in Prim. Fl. Amur. p. 476; 
Debeaux, Fl. Tehef. p. 122; Franchet in Mem. Soc. Sc. Nat. 
Cherbourg, xxiv. p. 249; Kanitz, Bot. Res. Szech. Centr. As. 
Exped. p. 8. 
Cuin : near Peking (Bretschneider !) ; SurnGKING: various 
localities (James!); SuaNTUNG: Chefoo (ex Debeaux); KANSUH 
(ex Kanitz). Mus. Brit.; Herb. Kew. 
All round the north temperate zone, and extending iuto 
arctic and alpine regions. m 
8. Polygonum Blumei, Meisn. in Ann. Mus. Bot. Lugd.-Bat. 
