Tanaka: New Japanese Fungi 



83 



substratum, septate, 2-3.5 /x across; acervuli of conidial stage 

 (Gloeosporium) minutely tuberculate, subepidermal, later erum- 

 pent, light pink in color ; stromata disciform, brown ; conidiophores 

 densely seated on the stroma; conidia oblong, frequently ovoid 

 ellipsoid or cuneate, often slightly curved, without guttulae or 1-2- 

 guttulate, colorless, light pink in mass, variable in size but chiefly 

 10-18 x 4-6 fx \ perithecia subepidermal, black punctiform, solitary 

 or two together, globose or depressed-globose, slightly raised at the 

 apex with orbicular ostiola 17-20 /x wide, brown or brownish-blue, 

 100-150 [i in diam. ; asci numerous in one perithecium, fusoid, 

 broad at the middle, narrowed near the apex, wall often thickened 

 at the apex but not stained by iodine, 46-60 x 8-13 (i, octosporous, 

 aparaphysate ; ascospores oblong, narrowed at both ends, usually 

 curved, hyaline, non-guttulate or guttulate, 10-15 x 3.5-5 



On Cinnamomum camphora, infesting leaves, petioles, leaf-buds, 

 and young shoots in the nursery, causing considerable damage. 

 Old plants are also infected. Diseased spots are usually orbicular, 

 elliptical, or fusiform, 3-5 mm. in diam., first reddish-brown, later 

 becoming fuliginous, finally fading into light-brown. The infected 

 area is definitely marked from the healthy part, usually sunken, 

 and when severely affected the infected areas become confluent, 

 causing brown rot of the surrounding part, finally girdling the 

 stem and killing the entire plant. 



Type localities: Kumamoto-ken. Yatsushiro-gun, Dec. 29, 

 1905 (T. Tejimazaki) ; Kikuchi-gun Waifu-cho, Oct. 25, 1906 

 (K. Yoshino) ; Hotaku-gun 6e-mura, Nov., 1906 (K. Yoshino) ; 

 Ashikita-gun Hinagu-cho, Dec, 1906 (K. Yoshino) ; Hotaku-gun 

 Kawachi-mura, May 12, 1907 (T. Nishida) ; and Saga-ken Saga- 

 shi, Nov., 1906. 



Illustration : One copper plate giving ten figures, showing the 

 diseased plant, conidial layer, germination of conidia, perithecia, 

 asci, ascospores, and germination of ascospores. 



Distribution : Formosa. Sec Sawada, K., in Taiwan Haku- 

 butsu Gakkwai Kwaiho (Journ. Formosan Nat. Hist. Soc), no. 

 25: 131-133. T. 5, x, Oct., 1916. (Japanese.) 



Sawada states that the outbreak of the disease in the nursery and 

 young plantation of camphor trees near Taihoku caused much dam- 

 age in the spring of 191 3. The Formosan fungus generally agrees 

 with that described from Kyushu by Yoshino, with the exception 



