134 
divided leaves are truly not the constantly fixed form，but is always replaced 
by the proper 5-segment form. Leaves of 5-segments have a close resem¬ 
blance to those of Arismma amurense Maxim., so that sterile specimens 
of the two are frequently confused with each other. 
ArisaBma (Pedat-isecta) heterophyllum Blume in Rumphia I. p. 110 ; 
Schott Prodr. Syst. x4roid. p. 55 ; Kunth Enum. Pl. 11 1. p. 20 ; Miq. Prol. 
FI. Jap. p. 134， et Cat. Mus. Bot. Lugd.-Bat., FI Jap. p. 9 • う . ； N. E. 
Brown in Journ. Linn. Boc. XYIII. p. 250; Makino in Bot. Mag” Tokyo, 
XI.1897, p. 33. 
Corm tnrioniferous ; turiones globose, about pea-sizecl. The middle one 
of leaf-segments smaller than both lateral ones; petiole green，sparsely 
nigropunctate (in my living specimen). Inflorescence exceeding the leaves, 
the spa the green. 
Ariscema Tliunbergii /9 .lieteropliyllum Engl, in DC. Monogr. Phanerog. 
II. p. 546 ; Diels in Engler’s Bot. Jahrb. XXIX. p. 236. 
Ariscema Tliunbergii Savat. in Iinuma’s Somoku-Dziisetsu, ed. 2, XIX. 
tab.14 (Maidzuru-sd), non Blume. 
Hab. Prov. Musashi : Bot. Garcl. Agric. Coll. Imp. Univ. Tokyo in 
Komaba, cultivated. 
I have not found it yet in the wild state in Japan，but probably 
indigenous. 
Arlsaema (Trisecta) ternatipartilum Makino Notes on Jap. PI.XV. 
in Bot. Mag. ， Tokyo. VI.1S92, p. 47. 
Corm depressed-globose, with fibrous roots at the neck, tnrioniferous; 
turiones globose or conical. Cataphylls thinly merabranaceous, maculate, 
loose, obtuse at the apex, the superior one tubular Mow, the mouth very 
oblique. Leaves 2, or rarely 1,long-petioLite, trisected with narrow 
sinuses; segments about equalling in size, sessile, acuminate, minutely scabro- 
serrulate, tliin，green above, glaucous beneath, immaculate ; the middle 
segment rliombeo-ovate, cuneate towards the base, 7 -丄 b cm. long, 3-9 cm. 
broad;lateral segments more or less oblique in form ， elliptical-ovate, - or 
ovate, or broadly ovate, 6 音 - 16 cm. long, 3-9 1 cm. wide ; midrib prominent 
beneatli;lateral-veins many, erect-patent, connecting by an intramarginal 
vein which is accompanied by an accessory vein closed to the margin ; 
veialets copiously anastomosing; petiole cylindrical]) 7 vaginate below with 
an oblique mouth above, the free portion slender, about 7-21 cm. long, often 
longer than tlie vaginate portion. Peduncle erect, cylindrical，lower than 
