74 



iiicular or subsqnare, rounded or truncate or retuse at the apex, usually 

 subtilely ciliated. Petals violaceous. Capsule elliptical to oblong, truncato- 

 obtuse, longer than the persistent sepels, pulvereo-pubescent, 7-9 mm. long. 



Hah. Prov. Shinano : Bank in Arayasu-mura {K. Tanaha ! May 1902). 



Rare ; this is larger than the typical form. 



Mitella (Mitellaria) acerina Maldno sp. nov. 



Perennial, attaining about 3.5 cm. in height. Rhizome erect or obli- 

 que, elongate, attaining about 10 cm. in length, thicker above, rooting, 

 estoloniferous, nigrescent, hard, covered with old brown vaginje toward the 

 neck. Leaves tufted, erect-patent, long-petiolate, few to several, cordato- 

 rotuned in outline, usually acuminate, cordate at the base with a deep 

 subclosed sinus, palmately 7-fid with sharp sinuses ; lobes deltoid or deltoid- 

 ovate, acuminate or acute, lobulate and inciso-serrate with deltoid or deltoid- 

 ovate acute teeth, flaccidly herbaceou*^, membranaceous when dried, purple- 

 green, thinly pilose above, glabrous beneath, palmate-nerved, .5-9 cm. long, 

 .5-8 cm. broad ; petiole longer than the blade, glabrous, attaining 12 cm. in 

 length ; vagin;e ovate or broadly ovate, obtuse, free from the petiole above, 

 membranaceous, rufous-brown, entire-margined, 10-18 mm. long. Scapes 

 few to several, exceeding the leaves in height, erect, elongate, longer than the 

 raceme, glabrous below, shortly and dispersedly glanduloso-hairy and very laxly 

 dispersed with minute sterile scaly bracts above, sometimes furnished with a 

 small leaf in the lower portion. Raceme angustate, 7-8 mm. across, erect, 

 densely and secundly many-flowered, attaining 10cm. or more long; rachis 

 slender, dispersedly and shortly glandaloso-hairy. Flowers 9-10 mm. across, 

 but about 4 mm. across in calyx, pedicellate ; pedicels short, erect-patent*, 

 equal to or shorter than the flowers, sparsely and shortly glanduloso-hairy 

 and very minutely puberulent ; bracts minute, membranaceous, subulato- 

 deltoid or rounded-deltoid, acute, often glanduloso-subdenticulate, about 

 one-half as long as the pedicel ; bracteoles very minute, ovato-subulate, or 

 oblong. Calyx 5-parted, thinly dis[)ersed with minute granular glands exter- 

 nally ; lobes erect, but reflexed above, deltoid, mucronato-acute, entire, mem- 

 branaceous, one-nerved ; tube depressed-obconical, adherent to ovary within 

 excepting the upper portion, acute or subobtuse at the base. Petals 

 5, patent, longer than the calyx-lobes, 3-^—4 mm. long, 3-parted below the 

 middle into setaceo-linear lobes, dispersedly granuloso-glandular dorsally, 

 viridescent-purple, the lateral lubes erect-patent and shorter than the mid- 



