dec. 1909.1 MAKISO.—OBSERV. ON THE FLORA OF JAPAy. 247 



lanceolate or ovato-lanceolate, acuminate or acute, attaining ; 

 about 71 cm. long, 3 cm. wide ; pinnules man}-, sessile, subap- 

 proximate, ovato-lanceolate or ovate, acute at the apex, 

 cuueate at the base, pinnatifid, or pinnatiparted, or subpinnate ; 

 segments few to several on each side, erect-patent, elliptical or 

 oblong and often subfalcate, acute or obtuse, entire or bi-tri-fid 

 or crenato-subserrate, the upper basal one somewhat larger and 

 oblong ; vein flexuous ; venules loose, erect-patent, one to a 

 tooth, soon stopping before reaching the tip. Sori numerous, 

 minute, rounded, convex, destitute of indusium, terminating the 

 top of venules. 



Xom. Jap. Kishu-shida (nov.). 



Hab. Prov. Kn : Yomura in Higashi-muro-gori [N. Ui\ 

 March 30, 1909, no. 34). 



Athyrium Nakanoi Makino, sp. nov. 



A small fern, about 14—39 cm. long. Rhizome erect or 



oblique, numerousely rooting, covered with old base of stipes. 

 Stipes tufted, slender, looseh' scaly and purpurascent (in recent) 

 below, about 3—13 cm. long ; scales subulato-lanceolate, mostly 

 entire, densely venulose, fulvous. Frond simply pinnate, 



an^ustato-lanecolatc, acuminate, membranaceous, ncarlv gla- 

 brous, dull green, 11— 20cm. long, 2\— 3.' cm. wide; rachis very 

 slender, pulverulent ; pinnae many, patulous, very shortly petio- 

 latc, oblong, obtuse, cuneatc at the lower base, auriculatc and 

 truncate at the upper base, sublobulato-crenate ; midrib more or 

 less .arcuate upwards ; veins free and pinnate, erect-patent, 

 Usually bifurcate but simple in the few superior ones, that in 

 the auricle simple-pinnately venulose. Sori 2— serial, each series 

 midway between the midrib and margin, dorsal, short, mainly 

 athyroid and often byppocrepifortn ; indusium thinly membrana- 

 ceous, eroso-dentate on margin. Sporangia shortly stalked. 



Xom. Jap. Hime-hobishida (nov.). 



Hab. Prov. Osr.ui : tfaku-shima ( T. Makino\ Sept. L909) 



This fern grows in shady places of mountains. I have 

 named the species in honour of Mr. Vovemon Nakano, who dis- 

 covered 1 1 in botanizing with mem the above mentioned locality. 



