New or Little Known Plants of Japan. 





above, the longest about 1 inch long. Heads few, in a terminal corymb, subhomogamous, 
marginal florets having sterile anthers. Involucre at first cylindrical, afterwards swollen at the base by 
the lateral expansion of the receplacle, 3—5 lines long; its bracts about 15, sub-2-sesiate, linear, acutish 
at the apex, scattered with minute hairs outside, the outer ones narrower, the inner ones broader and 
scarious at the margins which are overlapped by those of the outer, all at length reflexed. Bracts at 
the base of the involucre several, linear, acute, hairy, 1—2 lines long. Receptacle flat, naked. Corolla 
ーー 
ーーー 全 
white, tubular, very slender, the upper part dilated and tubular-obconical, the apex 5-lobed, the lobes 
ovate-lanceolate. Anther-bases slightly auricled; pollen-grains spherical, echinulate. ~ Style-arms 
recurved, purplish, penicillate at the apex. Achenes subcylindrical, slightly curved, ro-ribbed, minutely 
ーー 
ーーー* 
hairy, 14 lines long. Pappus-hairs copious in several rows} soft, minutely barbellate under the microscope, 
white and tinged with purple when mature, purple when young. Seeds exalbuminous ; embryo straight; 
cotyledons semiterete; radicle inferior. 
う ウル 
This plant is cultivated in the Botanic Garden of the Imperial University from Bonin Islands, where 
it is one of the esculent vegetables. It flowers in September and October in the Garden. 
Plate II. Fig. 1, upper part of plant; 2, lower part; 3, young flower-head; 4, vertical section of 

