NEW JAPANESE FUNGI 



NOTES AND TRANSLATIONS— VII 



Tyozaburo Tanaka 



DiDYMELLA MoRi K. Hara sp. nov. in Dainippon Sanshi Kwaiho 

 (Journ. Sericultural Association of Japan), 26-^'^* : 388, i text 

 cut. May, 1917. (Japanese.) 



Spots inconspicuous ; perithecia scattered, punctiform, black, 

 covered by the epidermis which is raised and finally pierced, 

 globoid or depressed globoid, 2CX)-25o^ high, 250-300 /x in diam. ; 

 perithecial wall thick, fungoid-parenchymatous, black, cells not 

 definitely distinguished ; asci cylindric or long clavate, rounded 

 above, attenuate to short sterigmata below, 70-80 X 5-8 ix, octo- 

 sporous, paraphysate ; ascospores obliquely monostichous, fusoid, 

 ellipsoid or sub-ovoid, slightly narrowed at both ends, uniseptate 

 at the middle, more or less constricted, 2-3-nucleate in the young 

 stage, homogenous at maturity, colorless, 12-15 X 5-6 /x; para- 

 physes filiform, longer than asci, i ix across. 



Illustrations : One text cut with four figures showing spots, 

 perithecium, asci, and ascospores. 



On twigs of Moms alba. 



Type locality: Mino (Gifu-ken Prefecture) Kawakami-mura, 

 Oct., 1915, K. Hara. 



Mycosphaerella Colacasiae K. Hara sp. nov. in Byochu-ga 

 Zasshi (Journ. Plant Protection), Tokyo. 5^: 355-356. May 

 1917. (Japanese.) 



Perithecia scattered, punctiform, immersed, later erumpent 

 globoid or depressed globoid, 60-120^ diam., black; perithecial 

 wall fungoid-parenchymatous, dark-brown, cells 5-13^1 across; 

 ostiola terminal, verrucaeform or papilhform, often not promi- 

 nent, simply perforated, openings comparatively large, 25-30 /x 

 across; asci cylindric or clavate, inconspicuously pointed above or 

 more generally rounded, attenuate below, pedicellate, 45-70 X 

 8.5-10^, octosporous ; ascospores biseriate, fusoid, more or less 

 excentrically uniseptate, constricted, upper cell broader and 



148 



