COMPOSITE. 



Acheenimn nigrum valde complanatum oblongum rostris exceptis 4-4^ mm. 



longum 2^ mm. latum basi obtusum apice acutum ad restrain 1^ mm. longam 



abeuns facie transverse rugulosum ; pappi setae copiosfe albre 8 mm. long* 



Bcabiee. 



HAB. Mansu (Koshun), leg. T. SOMA, Dec. 1913. 



Near Lactuca brevirostris, but differs from it in having more elongate 



heads with narrower bracts. 



4. Lactuca Morii HAYATA sp. nov. (Fig. 30, 31-7). Herba erecta. Caulis 



1-2 m. longits toto foliatus subglaber vel tenuiter hirsutus. Folia sessilia pin- 



natiloba in ambitu oblonga, lobis lateralibus 

 utroque latere 2-3 , irregulariter dentata vel 

 lacerata, lobo terminal! minuto lineari caudi- 

 vel cuspidiformi 1^ cm. longo 1 mm. lato, su- 

 pra scabra subtus pallidissima ad venas costas- 

 que setuloso-hirsuta. Capitula racemoso-cymo- 

 sa laxe disposita. Involucrum late campanu- 

 latum 1| cm. longum totiusque latum basi 

 bracteolis minutis instructum, bracteis invo- 

 lucri exterioribus brevioribus ovatis 1 mm. 

 longis, interioribus longioribus, intimis longis- 

 simis linearibus l^cm. longis 2mm. latis 

 glabris apice obtusis. Fl. ut videntur ochra- 

 cei. Achaenium maturum nigricans valde 

 complanatum obovatum rostris exceptis 4 mm. 

 long;urn 2 mm. latum basi obtusissimum vel 



O -Z 



rotundatum apice longe rostratum, rostris 3 

 mm. longis, facie minute transverseque rugulosum ; pappi setee albaa scabraa 6 

 mm. longas. 



HAB. Hakkudaisan, leg. U. MORI. 



Near L. brevirostris; but differs from it in having long-cuspidate leaves. 



5. Lactuca formosana MAXIM.; HAYATA 1. c. p. 40. 



6. Lactuca sororia MIQ. (Fig. 31-5) ; HAYATA 1. c. p. 40. 

 HAB. Urai, Agioku, ad 1200 ped. alt., B. HAYATA, Mai. 1916. 



Fig. 3O, Lactuca Morii HAYATA. 



