94 



Leaves reniform-orbicular in outline, broadly cordate at the base, deeply 

 partite with narrow sinuses ; lobes 5, oblong-lanceolate, shortly acuminate, 

 incised, 3-nerved, the middle lobe larger. 



Nom. Jap. Kaede-daimoziso. 



Hah. Prov. Echizen: Mt. Takekurabe-yama (Z. Yoslunoga\ July 1893). 



Sciaphila (Hyalisma) japonica Makino sp. nov. — TRIURIDACEiE. 



Monoecious, leafless, subhyaline, very small, perennial (?), about 3-5 

 cm. high, glabrous, purple. Rhizome subterranean, delicate, oblique or 

 suberect, white, remotely with a few minute deltoid-subulate scales ; roots 

 iibrous, filiform, short, pauci-fasciculate, villosulate with very fine white 

 hairs, white or whitish. Stem erect, delicate, straight, often irregularly 

 flexuous at the base, simple, sometimes laxly branched, distantly with 

 small subulate acuminate scales which are adpressed to the stem, purple, 

 but pale towards the base. Raceme terminal, simple, erect, about .5-12 

 mm. long, laxly and alternately about 4-1.5-flowered, male above and 

 female below ; rachis straight or subflexuous, delicate ; bract situated at 

 each base of pedicels, linear-lanceolate, acuminate, concave, membranaceous, 

 shorter than the pedicel, brown. Flowers minute, pedicellate ; pedicels erect- 

 patent, or sometimes patulous in the superior ones, capillary, longer than 

 the flowers, attaining about 3^ mm. in length, purple. Male flower 2 mm. 

 across, deciduous leaving the pedicels. Perianth deeply 6-parted, patent 

 then reflexed, membranaceous, hyaline, celluloso-bullate, glabrous, valvate in 

 hud, purplish brown ; lobes ovato-lanceolate, scarcely smaller in 3 alter- 

 nate ones, entire, acuminate, but caudato-acuminate in 3 alternate smaller 

 ones, the tips glabrous and inflexed in bud. Stamens 3, opposite to 

 perianth-lobes ; anther sessile, approximate, depressed, roundish, extrorse, 

 2-celled and confluent, transversely dehiscent, pale-yellow ; pistillodes 3, 

 opposite to the anthers, erect, subulato-linear, longer than the anther. 

 Female flower about li mm. across. Perianth 6- (sometimes 7-) parted, 

 patent then reflexed, thinly membranaceous, hyaline, celluloso-bullate, gla- 

 brous, persistent, valvate in bud, purplish brown ; lobes ovate, acute, entire, 

 glabrous. Ovaries numerous, densely aggregate into a semi-globule pro- 

 vided with radiated conspicuous styles, sessile on the elevated round recep- 

 tacle, very minute, obovoid, glabrous, 1-celled, purple ; ovule solitary, erect ; 

 style ventral, inserted to the supra-medium, elongate and much longer than 

 the ovary, filiform, glabrous, buUate, about | mm. long, brown ; stigma simple, 



