(176) 
= a W 
年 べ 十 
と コ 
ご 
ae % a + A 4 
SRT TR RT RTT NENT RRS DP TMI ERIM PII LIP PS PP IE LT PP ET TP EY LY I DPI PT LS A AE ALTA ED 

New or Little Known Plants of Japan. , 

rhizome, enclosed at the base by a few scarious sheaths, j—1} feet high. J.eaves 3. verticillately ter- 
minal, rhomboidal-rotund, suddenly acuminate at the apex, shortly attenuated at the base, 3—nerved and 
reticulately veined, usually 2—4 inches long and as much broad. Peduncle solitary, from the apex of 
the stem, Boy inch long: Perianth persistent ; its segments 6, in 2 series, distinct, subpatent ; the outer 
3 herbaceous, 3-nerved, ovate or ovate-lanceolate, acutish at the apex, imbricate in bud, 8 lines long, 3—4 
lines broad; the inner 3 petaloid, white, 7—nerved, nearly the sare as the outer in size and shape but 
narrower towards the base, convolute in bud (in the specimens examined). Stamens 6, shorter than the 
perianth-segments ; filaments linear, thickened towards the apex, 3 lines long; anthers 2—celled, 3 lines 
long, the cells attached to the sides of a broad connective, linear and laterally dehiscing. Ovary ovoid, 
hexagonal, with prominent angles, 3-celled, greenish, about 3 lines: long; styles 3, recurved, channelled 
and stigmatose on the inner side. Ovules numerous, in 2 series in each cell, attached to axile placentze, 
anatropous.—F 1. April—June. 
This plant grows in shady places in the mountains of the central and northern Japan and also in 
Yezo. My specimens are from Nikko and Chichibu. 
This species is distinguished from 7yillinm kamschaticum, Pall. (7. cbovatum, Maxim., 7. erectum, 
