140 PROCEEDINGS OF THE ACADEMY OF [1893. 



Eutypella amorphae E. & E. 



On dead stems of Amorpha fruticosa, Rockport, Kansas. Dec, 

 1892. (Bartholomew, No. 822.) 



Stromata scattered, numerous and lying close together, but mostly 

 not confluent, conic-convex, about 2 mm. diam., formed above from 

 the scarcely altered but slightly paler substance of the bark, and 

 closely circumscribed by a narrow, black line which does not 

 penetrate the wood. Perithecia 6-8 in a stroma, rather less than I 

 mm. in diameter, globose, with rather thick walls, partly sunk in 

 the surface of the wood, lying closely crowded together, their slender 

 necks rising close together and the rather large subtubercular, sul- 

 cate-clefi fasciculate ostiola piercing, but not rupturing the closely 

 adherent epidermis, which is not perceptibly raised. Asci clavate, 

 36-40 x 3-3 hi'-, (p. sp. 15-20/./. long), 8-spored. Sporidia subbiseri- 

 ate, allantoid, slightly curved, hyaline, with a nucleus in each end, 

 5-6xl|/i. 

 Diaporthe albocarnis E. & E. 



On the smaller dead limbs of Cornus sp. and on Staphylea trifolia 

 and Ostrya virginica, London, Canada. May, 1891. (J. Dear- 

 ness.) 



Perithecia 2-4 together in a minute, cortical stroma, small (i 

 mm.), solid and white inside, ovate-globose, attenuated above into 

 very short necks with their obscure, scarcely prominent, perforated 

 ostiola united in a flat, black disk, erumpent through the ruptured 

 epidermis which is raised into little pustules thickly scattered over 

 the limbs. Asci clavate, p. sp. about 75 x 7-8//. Paraphyses simple 

 filiform, rather stout, longer than the asci. Sporidia subbiseriate, 

 fusoid 4-nucleate at first, becoming uniseptate (seldom 3-septate) and 

 constricted and slightly swollen on each side of the septum, some- 

 times brownish, 12-20 x 3£-5/z. 



There is no circumscribing line around the stroma but the wood 

 to the depth of about 2 mm. is slightly discolored, presenting 

 a clouded or marbled appearance. The margin of the ruptured 

 epidermis is at first stained yellowish. Sometimes there is only a 

 single perithecium in a stroma. This can hardly be Diaporthe 

 spJdnaiophora Ouds. On the same limbs occurs Myxosporium niti- 

 dum B. & C, which may be the spermogonial stage. 



Diaporthe apiospora E. & E. 



On bark of dead Ulmus, London, Canada. (Dearness), Iowa 

 (Holway.) 



