71. COMPOSITE: CHICORIACEJ3. 435 



Lactuca Oldhami, Maxim, in MSI. Biol. ix. p. 363. 



Ixeris Gregorii, Hance in Ann. Sc. Nat. 5 m e serie, v. p. 222. 



Fokien ( Gregory, hb. Hance, 1233 !) ; Formosa : Tamsui 

 {Oldham, 290 !), north-east ( Wilford, 546 !). Mus. Brit. ; Herb. 

 Kew. 



Japan and the Philippine Islands. 



"With a larger number of specimens before him, Mr. Maximowicz 

 would probably agree to the reduction of his L. Oldhami. 



18. Lactuca (§ Ixeris) triflora, Hemsl., n. sp. 



Herba glaberrima, caulibus crassis cavis striatis. Folia (cau- 

 lina tantum adsunt) papyracea, sessilia, lyrato-pinnatifida (triloba, 

 lobo terminali niaximo triangulari, lobis lateralibus multo minori- 

 bus oblongis), 6-8 poll, longa, basi biauriculata, semiamplexi- 

 caulia, minutissime remoteque calloso-denticulata, subtus glau- 

 cescentia. Capitula saepissime triflora, numerosissima, laxe 

 paniculata, graciliter pedunculata. Involucri bractea herbacege, 

 coloratae?, angustae, obtusae, pappum subaequantes. Achcenia 

 (matura non visa) erostrata ; pappi setae alba?, numerosae, bar- 

 bellatae. 



Szechuen" : Mount Omei, at 7000 feet (Faber !). Herb. 

 Kew. 



This is nearest L. sororia, which has petiolate, usually 5-lobed, 

 toothed leaves, and a narrow panicle of very slender flower-heads. 



19. Lactuca versicolor, Schultz-Bip. ex Herder, PI. Radd. iii. 

 4. p. 29; Kanitz, Bot. Res. Szech. Centr. As. Fxped. p. 9; 

 Maxim, in Mel. Biol. ix. p. 362 ; Franchet in Mem. Soc. Sc. Nat. 

 Cherbourg, xxiv. p. 231 ; Baker et S. Moore in Journ. Linn. Soc. 

 xvii. p. 383. 



Ixeris versicolor, DC. Prodr. vii. p. 151; Benth. Fl. Hongk. p. 193; 

 Miq. in Ann. Mus. Bot. Lugd.-Bat. ii. p. 191 ; Ledeb. Fl. Ros. ii. 

 P- 817. 



Prenanthes versicolor, Fisch. ex Bunge, Enum. PI. Chin. Bor. p. 40. 



Prenanthes chinensis, Thunb. Fl. Jap. p. 301. 



Barkhausia tenella, Benth. in Hook. Lond. Journ. Bot. i. p. 488; Walp. 

 Rep. ii. p. 697. 



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



Chiuli, Shingking, and Corea to Szechtjen, Kwakgtttng, 

 and Formosa in almost every collection ! Mus. Brit. ; Herb. 

 Kew. 



Dahuria eastward to Japan. 



