— 22 — 



By this chance, I should like to make the distinction of families 

 belonging' to the order Rafflcsiales more clearly. Whether the number 

 of integments of ovules are one or two are not the characteristics 

 available only in classifying the Rafflcsiales. One must take many other 

 remarkable characteristics jointly. 



Rafflesiales, ordo 



nov. 



Parasitica? in radicibus vel in ramis plantarum lignarum. Radix 

 haustorioides. Caulis abbreviatus squamosus vel nudus. Flores ter- 

 minales solitarii vel breve racemosi hermaphroditi vel monceici vel 

 dioici. Ovarium inferum vel superum. Stamina l) circum columnam 

 stylorum uniseriale conniventia et apice poro rotundato aperta, 2) in 

 basi columnae stylorum annulari collocata et apice poro rotundato 



Nakai, Aug. 18, 1930-no. 14076). 



prov. Keiki : H6-t6 (Y. Hanabusa). 



prov. Kokai : Tyozankan (T. Nak.u, Jul. 26, 1929-no. 13181). 



prov. Heinan : Rorinsan (legitor?, Jul. 22, 1916). 



prov. Heihoku : Unzan-gun, Mr.. Hakuhekizan (T. Lshidoya, Maio 19, 1912-no. 79). 



prov. Kannan : Sanbo (To-ho-sho, Maio 1936). 



prov. Kanhoku : Fluvium Tumingan, Districtus Musang, circa Encaui (V, Ko- 

 marov, Jul. 15, 1897). 



3) Asiasarum Sieboldii F. MAEKAWA comb. nov. 



Syn. Asarum Sieboldi Miouel in Ann. Mus. Bot. Lugd. Batav. II, p. 134 (1865). 

 (Prol. Fl. Jap., p. 66)-Maximowicz in Mel. Biol. VIII, p. 397 (1871) pro majoribus 

 partibus, in Bull. Acad. Sci. St.-Petersb. XVII, p. 163 (1872)-Franchet et Sava- 

 tier, Enum. PI. Jap. I, p. 417 (1874)-Matsumura, Index PI. Jap. II-2, p. 53 

 (1912) pro parte-MAKiNO et Nemoto, Fl. Jap. ed. 2, p. 250 (1931)-Miyabe et Kudo 

 in Journ. Facult. Agricult. Hokk. Imp. Univ. Sapporo, XXVI-4, p. 493 (1934) (Fl. 

 Hokk. Saghal. IV) pro parte. 



Asarum. Sieboldi var. japouiea Maxeuowicz in Mel. Biol. VIII, p. 399 (1871), 

 Bull. Acad. Sci. St.-Petersb. XVII, p. 164 (1872) in observatione. 



Nom. Jap. Usuba-Saishin. 



Hab. Yezo, Hondo borealis et media, et Tsushima. 



4) Asiasarum dimidiatum F. Maekawa comb. nov. 



Syn. Asarum dimidiatum F. Maekawa in Asahixa Journ. Jap. Bot. XII, p. 30, 

 fig. 58-60 (1936). 



Asarum Sieboldi var. sikokianum Nakai schedl. in Herb. Imp. Univ. Tokyo. 



Nom. Jap. Kurofime-Saishin (F. Maekawa 1936). 



Hab. Japonia, Kiusiu : prov. Hizen, Nagasaki (F. C. GREATREX-Typus in Herb. 

 Imp. Univ. Tokyo), Mt Unzen (F. C. Greatrex, Apr. 1931-no. 13/31). 



Shikoku : prov. Awa, Oe-gun, Mt. Kotsu (J. Nikai, Maio 14, 1905-no 1519), prov. 

 Tosa, Oppido Nanokawa (T. Makino, Apr. 17, 1890), Nagaoka-gun, Kazigamofi 

 K. Ito, Jun. 22, 1930). 



Hondo : prov. Yamato, Mt. Sanzyogatake (M. Tstjzibe, Aug. 1935). 



