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integrifolhcm), or irregularly serrato-deaticulate {forma b. denticulatum), the 
middle one usually slightly larger and shortly petiolulate and cuneate towards 
the base, the rest sessile and a little confluent at the base, green ; veins 
erect-patent; petiole long-vaginate, pallid-green. Spathe pallid-green, the 
limb fornicate-incarved, ovato-lanceolate. Spadix unisexual, the floriferous 
portion about 1J-1J cm. long; appendage erect, shortly stipitate, cylindrical, 
clavate above, truncate below, a little higher than the spa the-tube. Male 
flowers 2-4~androus. Berries scarlet, the rachis thick and conical. 
Hab. Prov. Shimotsuke : Mt. Nikko (Herb. ! Sc. Coll. Imp. Univ. 
Tokyo, Oct. 8,1879 ; T. Makino ! June 190 1 )， Mt. Koshinzan (T. Mdkino ! 
Sept.12,1901);Prov. Uzen : Mt. Yudono (B. Yatabe and S. Ohubo ! Herb. 
1.c. July 23 ， 1887) ; Prov. Echigo : Mt. Godzu (B. Yatabe and S. Okubo ! 
Herb. ]. c. Aug. 2, 1886). 
This inhabits the middle and northern parts of Japan. The colour 
of the whole plant, the leaves of 5-segments, and the turioniferous corm，are 
the principal characters separating this from Ariscema serratum Schott and 
A. japonicum Blume. 
Arissema (Pedatisecta) Sazensoo (Buerg.) Makino nom. nov. 
About 3-6j decim. in height. Corm depressed-globose. Cataphylls 
thinly membranaceous, the superior one tubular below, lanceolate above. 
Leaves 2, the lower one larger, long-petioled, pedatisected with o-segments, 
but with 3-segments in the insufficiently grown one, semicircular in the 
outline; segments ovato-oblong, obovate-oblong, obovato-elliptical, obovato-oval, 
broadly oval，or broadly ovate, shortly acumiimte or cuspidate-acuminate, or 
sometimes mucronate, cuneate and at length decurrent towards the base, blit 
the outermost one often obtuse at the base, entire {forma a. integrifolium), or 
irregularly or erosely denticulato-serrate or dentate-serrate or coarsely dentate 
forma b. serratum), often albido-maculate along the midrib in the upper 
surface; the middle segment usually largest, equal in the base, furnished with 
a petiolule 音 - 2 era. long, or rarely subsessile, 2-15J cm. wide, 6-26 cm. long 
including the petiolule ;lateral segments more or less unequal at bases, the 
outermost one smallest in size; veins about 8-16 on each side, erect-patent, 
straight or more or less arcuate and connected with the intramarginal 
vein ; veinlets finely anastomosing, not conspicuous snperncially; petiole 
cylindrically long-vaginate, obliquely or straightly truncate at the mouth, 
the upper free portion slender, 7-15 cm. long in the superior one and 8- 
18 cm. long in the inferior one. Peduncle usually lower than leaves, the 
upper naked portion 2-10 cm. in length. Spathe erect; the tube convolute 
