570 



Considered by Berkeley in Grev. IV, p. 95, as a var. of D. dis- 

 ciformis, which differs in its flatter, broader, black-brown stroma and 

 smaller asci and sporidia. 



D. albopruinosa, (Schw.) 



SphtEria albopruinosa, Schw. Syd. N. Am. 1238. 

 Diatrype roseola, Winter Journ. Mycol. I, p. 121. 

 Diairype albopruinosa, Cke. Grev, XIII, p. 37. 

 Diatrype Durieui, Mont, in Herb. Curtis. 

 Diatrype Webberi, E. & E. in Herb. 

 Exsicc. Ell. & Evrht. N. A. F. 2d Ser. 2527. 



Stromata scattered ot- subgregarious, sometimes confluent, subor- 

 bicular, l|-2i (exceptionally 3-4 mm.) broad, slightly convex, sur- 

 rounded by the ruptured epidermis, whitish when young and fresh, 

 becoming finally dark brown, light-colored inside, surface becoming 

 more or less rimose. Perithecia 10-30 in a stroma, crowded, ovate 

 or elliptic-oblong. Ostiola more or less prominent, 3-5-sulcate-cleft, 

 black. Asci oblong-clavate, long-stipitate, p. sp. 65-65 x 7 /i. Spo- 

 ridia conglobate, allantoid, obtuse, slightly curved, 12-16 x2|-4 /z, 

 yellow-brown. 



On dead limbs of Fagus, Pennsylvania (Schw.), on dead oak 

 limbs, Missouri and New Jersey, on Cratcegus, and Salix, London, 

 Canada (Dearness). 



This differs from D. disciformis, in its much larger asci an(J 

 sporidia. 



D- Eucalypti. Cke. & Hark. Grev. IX, p. 85. 



Suborbicular, convex, black. Ostiola conical, sulcate. Asci cla- 

 vate, long-stipitate. Sporidia slightly curved, ends obtuse, hyaline, 

 10x11 //. 



On branches of Eucalyptus globulus, California (Harkness). 



We have not seen this, and take the foregoing brief notes from 

 Grevillea. 



D. Maclirse, E. & E. (in Herb.) 



Stroma pulvinate, oblong or linear, 2-10 mm. long by 1-2 mm. 

 wide, almost superficial and faintly circumscribed, brownish-black out- 

 side, white within. Perithecia crowded in the stroma, ovate, about 

 I mm. diam., with thick, black, coriaceous walls, necks short, with 

 their thick, flattened, pustuliform, irregularly dehiscent ostiola slightly 

 prominent. Asci clavate, paraphysate, 8-spored, p. sp. about 40 x 6 [i. 

 Sporidia biseriate above, allantoid, yellowish, moderately curved, 

 obtuse, 10-14 X 3 /z. 



