254 



P, simillima, (B. & Rav.) 



Dothidea simillima, B. & Rav. Grev. IV, p. 104. 

 Dothidea Desmodii, Curtis, (fide Sacc. 5096). 

 Parodiella simillima, Cke. Syn. 1374. 



Perithecia scattered, smaller than in P. grammodes, granulated. 

 Asci narrow. Sporidia hyaline, arcuate, suddenly attenuated at each 

 end as in many Vermicularice, 15 /i long, uniseptate. 



On leaves of Desmodium, Carolina (Ravenel). 



WALLROTHIELLA, Sacc. 



Syll. I, p. 455- 



Perithecia superficial or subsuperficial, globulose, glabrous, black. 

 Asci subcylindrical, 8-spored. Sporidia ovoid, elliptical or suboblong, 

 continuous, hyaline. 



W. Arceuthobii, (Pk.) 



Sphceria Arceuthobii, Pk. 27th Rep. p. in. 

 Wallrothiella Arceuthobii, Sacc. Syll. 1756. 



Perithecia small, densely cespitose, oblong or cylindrical, very 

 obtuse, shining black. Asci subclavate, fugacious. Sporida crowded, 

 globose, colorless, about 4 p. diam. 



On capsules of Arceuthobium pusillum, Forestburg, N. Y. 



It forms little black tufts crowning the fruit at the tips of the 

 stems and branches. 



W. eunotiaespora, (Cke. & Hark.) 



Sphceria eunoticespora, Cke. & Hark. Grev. XIII, p. iS. 

 Wallrothiella eunoticespora, Sacc. Syll. 6399. 



Superficial, gregarious. Perithecia obpyriform (| mm.), black, 

 subshining, smooth, fragile. Asci clavate. Sporidia biseriate, ellipti- 

 cal, inflated in the middle, continuous, hyaline, 30-35 x 12-14 /*, with 

 granular plasma. 



On decorticated Australian Acacia, mixed with Diplodia, Cali- 

 fornia (Harkness). 



W. melanostigma, (C. & E.) 



Sphceria melanostigma, (C. & E.) Grev. VI, p. 13. tab. 95, fig. 16. 

 Wallrothiella melanostigma, Sacc. Syll. 1760. 

 Exsicc. EH. N. A. F. 782. 



Gregarious, very small, black. Perithecia subglobose, 150 // diam. 

 papillate, emerging from the fibers of the wood, submembranaceous. 

 Asci cylindric-clavate. Sporidia elliptical, small, hyaline, nucleate, 

 10 x 8 /jl. 



On dead places in living oak limbs, Newfield, N. J. 



