74 COMPOSITE. 



Flowers yellow, usually small herbs 7. 



7. Pappus brownish. 7. L. Oldhami. 



Pappus white... 8. 



8. Decumbent. Heads 1^ cm. long, larger than the following species 



8. L. debilis. 



Erect. Heads smaller 9. 



8. Small herb, nearly 15cm. long, leaves smaller 9. L. taitoensis. 



Larger herb, more than 30cm. tall 10. 



10. Leaves lacerate 10. L. lacerrima. 



Leaves linear not lacerate 11. L. flavissima. 



1. Lactuca brachyrhyncha HAYATA sp. nov. (Fig. 31-8). Herba humi- 

 lis repens stolonifera. Folia simplicia vel trifoliolata, foliolis obovatis vel rotundatis 

 irregulariter crenatis basi subito cuneatis, petiolis 1-2 cm. longis, toto glaber- 

 rimis. Capitula solitaria terminalia. Involucrum obcoriico-campanulatum 1 cm. 

 longum totiusqtie latum, bracteis 3-4-seriatim dispositis, extimis minutis ovatis 



1 mm. longis, interioribus gradatim longioribus, intimis lanceolatis 8 mm. longis 



2 mm. latis apice obtusis ad summum hirsiitis. Flores flavi. Achrenium ma- 

 turum fusco-fulvum cylindricum basi obtusum apice fusiforme rostratum, rostro 

 | mm. longo, cum rostro 7 mm. longum 1-1^ mm. latum prominente 10- 

 costatum ; pappi sette albre 4J mm. longa? scabne. 



HAB. Kelung, Tamsui. 



Lactuca repens HAYATA (non MAXIM.); HAYATA Gen. Ind. p. 40. 

 Near L. repens MAXIM.; but differs from it in having much shorter beaks 

 of the achenes. 



2. Lactuca brevirostris CHAMP.; HAYATA 1. c. p. 40. 



3. Lactuca mansuensis HAYATA sp. nov. (Fig. 31-6). Annua erecta 

 recta simplex hand ramosa 50 cm. longa glaberrima toto foliata. Folia remote 

 sita glaberrima pinnatilobata, in ambitu obovato-oblonga, lobis linearibus ut- 

 roque latere 2-3, lobo terminali linear! 2-3 cm. longo 5 mm. lato apice acuto, 

 petiolis 1-2 cm. longis vel nullis late alatis. Capitula laxe cymoso-racemosa. 

 Involucrum late campauulatum 1 cm. longum 1^ cm. latum, bracteis involucri 

 2-3-seriatim dispositis, exterioribus minoribus, interioribus gradatim longioribus 

 imbricatis linearibus 14 mm. longis 2 mm. latis apice obtusis. Flores ignoti. 



