76 



portion of the placentas, with a distinct and curved funicule. SiHcle (im- 

 mature) fusiform, acute at both ends, 3 mm. long. 



Nom. Jap. Karahusa-nadzuna (nov.). 



Hah. Prov. Ise : Summit of Mt. Oike in Inabe-gori [M. Kaiuasahi ! 

 Aug. 9, 1904). 



New to the Flora of Japan, very rare. In my specimens, hairs on 

 the stem, on the rachis of raceme, and on the pedicels are simple, not 

 forked ; the stigma is sessile having no style. In Japan, the occurrence of 

 this plant, which was hitherto confined to Europe, is highly interesting. 



Gleichenia (Mertensia) kiusiana Makino sp. nov. 



Rhizome widely repent, strong, terete, hard, clothed with scales (scales 

 often deciduous, therefore tlie rhizome naked and disparsedly submnricated 

 with short hard processes which are the bases of scales), very laxly branched, 

 loosely rooting, brownish-fulvous, about 5 mm. across ; roots rather short, 

 black, with short rootlets. Stipe distantly placed on the rhizome, erect, 

 slender, long, hard, subterete, shallowly and broadly furrowed with an obtuse 

 or subacute slender margins throughout in front, rounded in the back, 

 fflabrous and viridescent, but brownish fulvous and clothed with scales at 

 the base (which is, when scales fallen off, submuricate as is the rhizome), 

 attaining about Tdecim. in length, 4-6^ mm. across below, with a tibro- 

 vascular bundle in centre. Scales rufo-ferruginou!', lanceolate to ovate, long- 

 acuminate, auriculate or nearly so at the base, entire, firm-membranaceous, 

 with close very numerous and minute longitudinal areoke, often deciduous. 

 Frond unijugate in first year, but bijngate in the next year (the second 

 stipe developed from the axillary bud which is situated between the first 

 pair of frond, 9-20 cm. in length, erect, furnished with a minute rudiment- 

 ary bud at the top) ; pinnfe furcately opposite, very shortly petioled, ovate 

 to angustate-ovate, attenuatedly acuminate at the apex, obtuse at the base, 

 rigid, yellowish green, concolorous, glabrous above, but beneath densely 

 covered with very minute translucent granules under microscope and thinly 

 disparsed with adpresso-declinate short subolavate minute glandular hairs which 

 are black in the apical portion, attaining 50 cm. long, 27 cm. broad, those 

 of the superior pair smaller ; rachis slender, obscurely flexuous, narrowly 

 canaliculate in front, pale stramineous, glabrous. Pinnules numerous, about 

 18-28 on each side, closely placed, erect-patent, alternate, very shortly 

 stipitate, but sessile in the superior ones, narrowly lanceolate, acuminate, 

 subobliquely acute at the base, attaining about 20 cm. long, 4 cm. wide, 



