548 



crally subscriate, (1 nun. diani.), \vliite inside, surrounded by the opi- 

 Icnnis. Perithecia scarcely distinct (subconfluent), rather obtuse, 

 npako. Asci clavate, S-spnrod. Sporidia elliptical, continuous, hyaline, 

 20x8 //. 



On bark of Aralia spinosa, Carolina (Curtis). 



B. Viburni, Cke. Grev. 1. c. 



Stromata erumpent, gregarious, very small (J-J mm.), corticolous. 

 depressed-pulvinate, dark In-own, surface tuberculose, white inside. 

 Perithecia 6-10, subimmersed, convex above, perforated. Asci cla- 

 vate. Sporidia narrow-elliptical, continuous, turning yellow, granular, 

 1 8-21x8 //. 



On branches of Viburnum opulus, United States. 



Closely allied to B. Aralice, of which it may be a variety. 



B. Hypericdrum, Cke. Grev. XIII, p. 102. 



Subelliptical, flattish, black. Perithecia small, connate, white 

 inside, closely embraced by the ruptured epidermis. Asci clavate, 

 8-spored. Sporidia narrow-elliptical, continuous, hyaline, about 20 x 

 ."> IJL (immature). 



On stems of Hypericum proliferum, United States. 



B. stomatica, Schw. Grev. 1. c. 



Widely effused, emergent, staining the wood black. Perithecia 

 semiimmersed, rather large. Ostiola large and prominent, cylindrical, 

 obtuse. Asci clavate, 8-spored. Sporidia elliptical, continuous, brown, 

 12-13x5/1. 



On rotten wood, Indiana, 



Differs from the others in its brown sporidia. 

 We have seen no specc. of the last six species, and take the 

 descriptions from Grevilloa. 



B. Arctostaphyli, (Plowr,) 



Sphczria Arctostaphyli, Plowr. Grev. VII, p. 73. 

 Botryosphazria Arctostaphyli^ Sacc. Syll. 1764, Cke. Syn. 1405. 



Perithecia superficial, depressed-globose, black, ronghish, gre- 

 garious, Jl mm. Ostiola obscurely papilliform. Asci clavate-pyri- 

 form, 70.x 15-20 IJL. Sporidia continuous, ovoid, sometimes a little 

 curved, 15-18x4-5 /*, hyaline. Spermogonial perithecia about the 

 -nine as the ascigerous ones. Sperinatia oblong, hyaline, 5-7 x 2 p.. 



On bleached wood of Arctostaphylus, California (Harkness). 



Our specc. from Dr. Harkness show only sperrnogonia. Th* 

 stroma seems to ho entirely wanting. 



