480 71. COMPOSITE: CICHOEIACEJE. 



Lactuca squarrosa, Miq. in Ann. Mus. Bot. Zugd.-Bat. ii. p. 189 j 

 Maxim, in Mil. Biol. ix. p. 353; Franchet, PL David, p. 187. 



Prenanthes laciniata, Houtt. Handl. PL Kruidk. x. p. 381, t. 66. f. 1. 



Lactuca amurensis, Regel, Ind. Sem. Hort. Pelrop. 1857, p. 42 ; Maxim. 

 Prim. Fl. Amur. pp. 178 et 473 ; Debeaux, Fl. Tchef. p. 89. 



Sonchus floridanus, Lour. FL Cochinch. p. 480 ? ; Bretschn. Early Pes. 

 p. 160; Henriques in Bolet. Soc. Brot. hi. p. 148? 



Var. foliis laciniatis. 



Chihli : near Peking (Bretschneider ! Hancock !) ; Shir- 

 king : Kaichow to Kinchow (Boss !) ; Htjpeh : Nanto and 

 mountains to the northward (A. Henry !). Mus. Brit.; Herb. 

 Kew. 



Mandshuria and Japan. 



Var. foliis indivisis. 



Shantung : Chefoo (Forbes !) ; Chekiang : Ningpo (Faber !) 

 Foemosa : north-east (Wilford !), Tamsui (Oldham, 282 !) 

 Hupeh : Ichang, Patung, Nanto and neighbourhood (A. Henry !) 

 Kwangttjng: Pakhoi (Playfairl) ; Hongkong (Champion !). 

 Mus. Brit. ; Herb. Kew. 



North India, Japan, and the Philippine Islands. 



2. Lactuca debilis, Maxim, in Mel Biol ix. p. 365 ; 8. Moore 

 in Journ. Bot. 1878, p. 138 ; Maxim, in Bull Soc. Nat. Mosc. 

 1879, p. 29. 



Ixeris debilis, A. Gray, Bot. Jap. in Mem. Amer. Acad. n. s. vi. p. 397; 

 Bcnth. Fl. Hongk. p. 193; Miq. in Ann. Mus. Bot. Lugd.-Bat. ii. p. 191 ; 

 Debeaux, FL Shangh. p. 39. 



Youngia debilis, DC. Prodr. vii. p. 194. 



Prenanthes debilis, Thunb. Fl. Jap. p. 300. 



Kiangsu : Shanghai (Maingay ! Faber ! Perry !) ; Chekiang : 

 Ningpo (Oldhaml); Formosa: Tamsui (Oldham, 278!); Kwang- 

 tfng (Tatel); Hongkong (Hance, 780! 794!); Coeea: Port 

 Chusan (Wilford, 909!); Luchu Aechipelago (Wright). 

 Mus. Brit. ; Herb. Kew. 



Japan. 



3. Lactuca denticulata, Maxim, in Mel. Biol. ix. p. 359 

 (varietates a. typica et /3. sonchifolia) ; Franchet, PI. David. 

 p. 188. 



Prenanthes denticulata, Houtt. Handl. PL Kruidk. x. p. 385, t. 66. f. 4. 



Youngia dentata, DC. Prodr. vii. p. 193, excl. syn. ; Thunb. ex Maxim. 



