164 ART. I.—B. HAYATA: 
Lactuca LINN. 
Lactuca formosana Maxim. in Mél. Biol. IX. p. 353; 8S. Moore 
in Journ. Bot. (1875), p. 231 ; Forpes et Heust. Ind. Fl. Sin. I. p. 482; 
Matsvum. et Hayata Enum. Pl. Formos. p. 212. 
Has. Agincort, leg. T. Kawaxami, Mai. 1907. 
Distris. China: Chekiang ; Kiangsi. 
Ossery. Herba validiuscula, 50-70 em. alta, ramosa, caulibus 
erectis ferrugineo tomentosis. Folia alterna sessilia, amplexicaulia, 
obovata in circumscriptione, 10 em. longa, 7 cm. lata, transversim 
alternatimque 5-7-lobata, lobo terminali latissimo 5 cm. longo 6 cm. 
lato, irregulariter lobulato transverse dentato, apice cuspidato (cuspide 
1$ cm. longo $ cm. lato), lobis lateralibus approximatis transverse 
dispositis, ovatis 5 em. longis 24-3 em. latis, apice breve cuspidatis 
irregulariter dentatis, dentibus acutis, lobis basilaribus minoribus 
conformibus, (sinibus rotandato-obtusis), basi amplexicaulia auri- 
culata, auriculis 1 cm. longis et latis lacerato-dentatis utraque pagine 
ferrugineo-hispida, subtus ad costas venasque pilis strigosis 1-2 mm. 
longis 1-seriatim obtecta. Capitula paniculato-cymosa. Involucrum 
campanulatum, 1 cm. longum, 6 mm. latum, bracteis 35-4-seriatim 
dispositis, intus longissimis oblongo-lanceolatis, 1 cm. longis, 3 mm, 
latis, apice obtusis basi leviter contractis, exterioribus gradatim 
brevioribus, extimis minoribus ovatis 34 mm. longis 2 mm. latis apice 
acutis basi cordatis. Flores perfecti non visi. 
Near L. brevirostris, but quite distinguishable by its transverse- 
ly and deeply lobed leaves and by being tomentose all over the 
plant. The leaves is like those of ZL. Scariola, but the former 
are tomentose, while the latter are entirely glabrous. 
