Tanaka: New Japanese Fungi 287 



Type locality: Yamagata-ken (prefecture) Yonezawa-shi, Mar. 

 191 5, I. Miyake. 



It is often observed that the fungus causes the host tissues to 

 disintegrate and usually only bast fibers are left unattacked. 



RoBiLLAKUA MoRi I. Miyake sp. nov. in Sangyo Shikenjo Ilokoku 

 (Technical Report of the Imperial Sericultural Experiment 

 Station), i': 346, pi. 17, fig. 19. T. 4, xii, Dec. 1916. 

 (Japanese.) 



Pycnidia hypo-epidermal, later erumpent with a single ostiolum, 

 black, globoid or ellipsoid, 200 /u, across; ostiola papillate, short 

 and small; pycnospores cylindric, 15-18X2.5-3)11; more or less 

 thickened at the middle portion, slightly rounded at the base, and 

 rather pointed at the apex, straight or slightly curved, colorless to 

 pale-greenish, septate at the middle, not constricted, with 3-4 

 bristles at the end ; bristles equal in length. 



On dead branches of Morns alba (rare). 



Type locality: Fukui-ken prefecture, Japan, March, 1909, K. 

 Hara. 



Dififers from R. Cararae Tognin, which has pycnospores with 

 long pedicels measuring 40-50 /a; and from R. Ccltidis Scalia, 

 characterized by having paraphyses 40-45 p. long. 



Cytodiplospora MORI I. Miyake, sp. nov. in Sang>-6 Shikenjo 

 Hokoku (Technical Report, Imperial Sericultural Experiment 

 Station), Tokyo, Japan, i^: 347. pl- i/, figs- 20-21. T. 5, xii, 

 Dec. 1916. (Japanese.) 



Stromata scattered or gregarious, black, hemispherically ele- 

 vated above, then disclosed, rupturing the epidermis, Yz-Yo mm. 

 in diam., round or ellipsoid, pseudo-parenchymatous ; pycnidia 

 4-5, sometimes more than 10 in one stroma, globoid or ellipsoid, 

 with short, flat ostiola; pycnidial wall made up of finely and 

 densely fascicled hyphae, colorless inside ; pycnospores colorless, 

 hyaline or pale-greenish, guttulate, cylindric with round ends, 

 ellipsoid or ovoid, even, sometimes irregular, straight or curved, 

 uniseptate. septa centric or eccentric, constricted or not con- 

 stricted, variable in size, 6-15 X 3-5/*- 



On living twigs of Moms alba. 



