133 
and tubuloso-infandibuliform, thickly membranaceous, dark-purple, 4-6 cm 
long, the mouth truncate and spreading with, entire and whitish margins; 
the limb a little forniculate-incurved and then erect above, longer than the 
tube, obovato-oblong to oblong-lanceolate ， gradually attenuated above and 
narrowly acuminate; entire, dark-purple externally and whitish internally, 
thickly membranaceous, longitudinally veined, 10—18 cm. long ， 3-5^ cm. 
broad. Spadix unisexual, subconico-cjlindrical,subsessile, many-flowered, 
li-3 cm. long; the appendage exceeding the spathe-tube, erect, shortly 
stipitate, subtrancate at the base, cylindrical below, large and globoso-clavate 
above and white, 3-6J cm. long including the stipe. Male flowers minute, 
rather laxly disposed，shortly stipitate, 2-4-androus. Female flowers dense¬ 
ly placed, sessile; ovary obovate, 1-celled, with a minute and sessile stigma 
at the top; ovules 3-4. Fruit conico-oblong, the surface of the rachis 
darkish purple ; berries numerous, roundish-obconical,sessile, scarlet ; seeds 
1-2 or 3, ovoid ， smooth, stipitate; albumen copious; embryo straight, cylin¬ 
drical. 
Arum Sazensoo Buerg. ined. ex Blume in Rumphia I. 183 5, p.107. 
Ariscema japonicum Sazensoo Blnrne 1.c. ; Kunth Enum. PI. III. 
p.19; Miq. Pro]. FI. Jap. p.134, et Cat. Mus. Bot. Lugd.-Bat. ， FI. Jap. 
p. 95 ; Franch. et Sav. Enum. PI. Jap. II. p. 5. 
Ariscema amurense y. Sazensoo Engl, in DC. Monogr. Phanerog. II. 
p. 550. 
Ariscema sikohianum Franch. et Sav. ]. c. II. pp. 6, 507; Engl.1.c. p. 
560 ; N. E. Brown in Journ. Linn. Soc. XVIII. p. 251;Makino in Bot. 
Mag., Tokyo, YII. p. 322, cum var. /?. serratum Makino. 
Nom. Jap. Yulzimoclii-so (Iinuma’s Soraoku-Dzusetsu, XIX. tab.17, 
three-leaflet form). 
' Hob. Tosa : Sakawa ( T 7 . Mahino ! May 1889， coarsely dentate-leaved 
form)，Shashabu in Chozya-mura (T. Makino \ May 23, 1889 ， entire-leaved 
form), Kusugami at foot of Mt. Yokogara {T. 3Iahino ! June 1893 ， dentate- 
serrate-leaved form, denticulate-serrate-leaved form, and entire-leaved form); 
Prov. Iyo : Mt. Nakatsumyozin (^K. Okudaira May 13, 189 5, entire-leaved 
form) ; Prov. Hyuga : Mt. Kirishima (E. Yatabe and Z. Matsumura\ Herb. 
Sc. Coll. Imp. Univ. Tokyo, Aug. 4, 1882, dentate-serrate-leaved form). 
This species is found in the south-western or the warmer part of Japan, 
exhibitiup" an attractive appearance which is principally due to the large, 
snowy white, and globose-clavate appendage of the spadix. The leaves 
are commonly pedately divided into 5-segments in the normal state; but 
3-segment-leaves are sometimes met with. The condition of the ternately 
