1885.] 



1S7 



nucleus and extend beyond in a thin, membranous border, closely a lnate 

 to the leaf, ostiolum papilliform, collapsing with a broad, circular open- 

 ing when dry; asci slightly narrower at each end, sessile. 8-spored, 75 x 

 15 ,"- ; sporidia hyaline, oblong-clavate, 1-septate, 2-seriate, 20 x 4—7 !'■. 

 On living leaves of Qmrcus laurifoUa, Florida. 

 C. Species imperfect or doubtful. 



19. ASTERINA COKGLOBATA. B. & C. Grev. 4, p. 9. 



''Mycelium a few slender threads ; perithecia globose, minute, con- 

 globate; asci obovate ; sporidia shortly subfusiform, 1-septate." Prob- 

 ably a Dimerosporium. 



On Arbutus Uva-ursi. 



20. AsTERiNA C03IATA, B. & Rav. Grev. 4, p. 9. Ravenel F. A. No. 73. 

 Scattered, large, densely clothed with short, brown hairs, about 700 



/■f in diameter ; mycelium obsolete. ]Sro fruit, immature. 



On leaves of Magnolia glauca, and M. grandiflora, Alabama to Florida. 



21. AsTERiNA CUTICULOSA, Ckc. Grcv. 7, p. 49. Ravenel F. A. No. 328. 

 Perithecia brown, orbicular, applanate, adnate, hypophyllous, clus- 

 tered near the margin of the leaf, 500—800 in diameter, structure cel- 

 lular membranaceous, obsolete beneath ; no mycelium ; ''asci globose, 25 

 /J- in diameter; sporidia elliptic, ends obtuse, 1-septate, subconstricted. 

 hyaline, 10 x 5 /^-. A somewhat abnormal species,"' (Cke.) 



On leaves of Ilex opaca, Georgia. 

 My specimen is sterile. 



22. AsTERi^fA DECOLORANS, B. & C. Grev. 4, p. 9. 



"Spots orbicular, red, undulate, bullate; mycelium scanty, consist- 

 ing of a few moniliform threads and others entire ; perithecia puncti- 

 form ; asci short, oblong ; sporidia, 1-septate, 10 !J- long.'' 



On an unknown leaf, New^ Jersey. 



23. AsTERiNA DiPLODioiDES, B. & C. Grev. 4, p. 9. 



"Spots orbicular, mycelium interrupted ; perithecia mniute ; sporidia 

 oblong, obtuse, uniseptate, light brown, 8 /-'- long." 

 On leaves of Andromeda acuminata, Alabama. 



24. AsTERmA NiGERRiMA, Ellis. Bulletin Torr. Bot. ("lub, 8, p. 91. 

 Mycelium brown, branching, scanty ; conidiaoval, dusky, 4i— 6 x 3 



in subglobose sacs, 60 />- in diameter. Perithecia black, orbicular, flat- 

 tened, stomatous, subinnate, 95—140 !J- in diameter, structure cellular- 

 radiate, obsolete beneath, asci oblong-clavate, sessile, 33—36 x 10—14 ; 

 sporidia hyaline, obovate, 1-septate, ("4-nucleate," Ellis) 10—12 x 3—4 



On old stems of Erigeron. Newfield, N. J. 



This is probably a Microthyrium. 



25. AsTERiisTA OLETNA, Ckc. Grev. 11, p. 38. Ravenel F. A. No. 757. 

 Perithecia hypophyllous, scattered, flattened, discoid with a narrow 



margin of brown radiating hyphse; asci clavate, 24—30 x 9 -10 spori- 

 dia undeveloped in my specimen. "Sporidia hyaline, small, imiseptate 



