Tanaka : New Japanese Fungi 



81 



Amphigenous ; mycelia persistent or evanescent, thin, filmy ; 

 hyphae filamentous, colorless, branching, septate, 3-4 /x across ; 

 perithecia gregarious or scattered, spheroid or depressed-spheroid, 

 70-100 /A diam. ; perithecial walls membranaceous, dark-brown, 

 composed of cells ia-i8/x wide; appendages 16-20 altogether, 

 delicate, filiform, straight or infiexed about the middle, continu- 

 ous, glabrous, equally thickened, spirally helicoid at the apex, 150- 

 440 X 6-7 /X ; asci 6-8 in one perithecium, ellipsoid or ovoid, uni- 

 cellular, hyaline, one or two nucleate at the middle, 15-20X9- 



II jU. 



On Carpinus sp. 



Locality and distribution: Not given. 



Figures (woodcut) give the shape of appendages. 



Differs from the type by having (i) amphigenous and much 

 smaller perithecia, (2) very long appendages measuring 1.5 to 4 

 times as long as the perithecium and in numbers and dimensions of 

 asci and ascospores. 



Uncinula negator (Schw.) Burr. var. Actinidiae K. Hara comb. 



nov. in Dainippon Sanrin Kwaiho (Journ. Forestry Assoc. 



Japan) Tokyo, no. 392, p. 63-64, i text fig. on p. 64 (middle). 



T. 4, vii, Jul. 191 5. (Japanese.) 

 U. Actinidiae Miyabe ex Salm. Monogr. Kris. loi. 1900 (nom. 



nud.). 



Spots amphigenous, white or cinereous, irregular, somewhat 

 pulverulent ; mycelia thin, efifused, persistent or evanescent ; 

 hyphae filamentous, branched, septate, 3-4 /x diam. ; perithecia 

 amphigenous, scattered or gregarious, spheroid or complanate- 

 spheroid, 80-120 /a, average 100 /x diam.; cells forming perithecial 

 wall 10-20 /X, rarely 23 /x wide, dark-brown; appendages 10-23, 

 linear, simple or rarely forked, 3-7 septate or continuous, color- 

 less above, usually 6-8 /x across, strongly hehcoid at the apex, 

 swollen at the base with diam. 9-1 3 /x, total length 100-250^11, 

 commonly, 200 /x; asci 4-6, ovoid, ellipsoid or spheroid, beakless 

 or occasionally beaked, 50-60 X 35-40 /x, spherical ones 50 /x 

 diam. ; ascospores 4-6, hyaline, ellipsoid or ovoid, 18-23 X 10-13 /x. 



On Actinidia polygama and Actinidia Kolomikta. 

 Locality and distribution : Not given. 



Illustrations (woodcut) gives appendages, ascus, and asco- 

 spores. In comparison, several appendages oi U. necator from 

 wine grape are figured to the left hand. 



