95 



acute. Carpels numerous, conglomerate into a globose head (about li mm. ia 

 diameter) accompanied by the persistent perianth below as well as persistent 

 long and manifest ventral styles, sessile on a central receptacle, obovoid, slightly 

 oblique in form, about | mm. long ; pericarp thin, cellular-verruculose, but ir- 

 regularly rugulose when dried, purplish brown and then turned to whitish when 

 fully matured and dried. Seed solitary, obovoid, slightly oblique in form, erect. 



Nom. Jap. Hongo-so (nom. nov.). 



Hah. Prov. Ise : Hongo in Kusu-mura, Miye-gori {K. Teraoka, K 

 Imai, and'F. Uyematsul Sept. 7, 1902). 



This species is the sole representative of Triuridacece in Japan, found 

 growing densely among fallen leaves in the shelter of forest trees in tem- 

 perate region of this country; while the foreign species are all tropical. 

 It resembles Sciaphila nana Bl, of Java. I have the specimens of this rare 

 and singular species Jjoth in flowers and in fruits, through the kindness 

 of MM. S. Nohara ^nd Z. Umemura. 



Balanophora japonica Makino sp. nov. 



Balanophora dioica Ito in Journ. Linn, Soc. XXIV. (1887) tab. 5, 

 fig. 5-6 (non bona), excl. fig. 7-8. 



Dioecious. Khizome hypogteous, tuberous, deeply ramose into globular 

 thick volvas (the margin of the mouth of the volvas cleft into few short 

 deltoid lobes), about 1-9 cm. across, light yellowish brown, rough on surface 

 and laxly pastular ; pastules whitish, simply stellato-lobed. Peduncle one to 

 each volva of rhizome, erect, stout, terete, straight, smooth, varies in length 

 and longest one about 7 cm., but sometimes very short, about ^-1^ cm. in 

 diameter, reddish orange ; scales large, imbricated concealing the peduncle 

 or laxly imbricated, erect or erect-patulous, sparse or sometimes subopposite, 

 ovato-orbicular, ovate, or ovato-elliptical, sometimes ovato-oblong, rounded- 

 obtuse, entire, concave, smooth, attaining about 3 cm. long, 2 cm. wide, 

 similar to the peduncle in colour. Head erect, elliptical-ovoid to cylin- 

 drical-ovoid, or sometimes globular-ovoid, li-5 cm. long, 1^-3^ cm. across, 

 deep red, very rarely yellowish red (in the Nikko form), densely covered with 

 flowers and bracts. Female flowers exceedingly numerous, very minute, very 

 dense, inserted in the head and at the base of pedicellate bracts which are 

 intermixed with them, pedicellate, yellow; ovary ellipsoidal; style filiform, 

 double or triple as long as the ovary ; pedicel shorter or longer than the ovary ; 

 bracts with a short and stout pedicel, obo void-globose, somewhat concave at 



