39 



A. Celastri, E. & K. Journ. Mycol. I, p. 3. 



Perithelia hypophyllous, in groups or scattered, convex, orbicular, 

 black, 250 [i diani., with brown, radiating threads of mycelium around 

 the base. Asci oblong-ovate, 12-15x6-7 /v filled with granular 

 matter. The parts of the leaf occupied by the groups of perithecia are 

 a little darker than the surrounding portions. 



On living leaves of Celastrus scandens, Kansas. 



The specc. examined were immature. 



A. comata, B. & Rav. Grev. IV, p. 10. 



Exsicc. Rav. F. Am. 73. EH. & Evrht. N. A. F. 2d Ser. 2339. Roum. F. G. 5036. 



Perithecia epiphyllous, superficial, scattered, large (J- mm. diam.). 

 depressed-hemispherical, clothed with black, spreading, subfasciculnte. 

 bristle-like hairs which are deflexed above, leaving the variously rup- 

 tured ostiolum bare. Asci oblong, 70-75 x 20 fi. Sporidia biseriate. 

 clavate-oblong, hyaline at first, then brown, about 20 x 5-7 \i\ unisep- 

 tate. 



On leaves of various species of Magnolia in the Southern States. 



Often sterile. 



A. pinastri, Sacc. & Ell. Mich. II, p. 567. 



Parodiella rigida, E. & E. Journ. Mycol. IV, p. 6a. 

 Exsicc. EH. N. A: F. 789. 



Perithecia gregarious, superficial, depressed-spherical, roughish. 

 without any prominent ostiolum, 100-120 p. diam., with a sparing, 

 brown, creeping mycelium around the base. Asci oblong, sessile, 60- 

 70 x 12-15 ju, very evanescent. Paraphyses (?). Sporidia subbise- 

 riate, ovate-oblong, brown, uniseptate and deeply constricted (the two 

 cells sometimes separating), 15-20 x 7-9 fi. ' Spermogonia similar, with 

 hyaline, oblong sporules 15-18 x 7-8 //, with a large central nucleus. 



On dead leaves of Pinus rigida, still attached to limbs cut off 

 about eighteen months ago, Newfield, N. J., April 26, 1888. 



A. tenella, Cke. Grev. XIII, p. 67. 



" Epiphyllous, effused, thin, black. Perithecia minute, 220-300 /i 

 diam., applanate, mingled with brown, creeping mycelium. Asci 

 saccate, 4-8-spored. Sporidia 28-30 x 12-14 t u, in the 8-spored asci. 

 40 x 22 p. in the 4-spored, light brown." 



On Persea Caroli?iiensis, Carolina. 



A. Xerophylli, Ell. Am. Nat. 17, p. 319. 



Mycelium scanty. Perithecia entirely superficial, orbicular or 

 subelongated, slightly depressed, 167 f diam. Asci obovate, 35 x 15 /i. 



