480 



On bark of Jiiiuperii.^ Virginiana, New Jersej-, {Vahu theUhoU, 

 Schw. in Herb. Berk)? 



We have not seen either of these Piiecies. 



V. quateniata, (Pers.) 



Sthceria quaternata, Pers. Syu. p. 45. 



Quaternaria Persoonii, Tul. Sel. Carp. II, p, 103, tab XII, figs, 16^25. 

 Valsa guaiei-naia, Fr. Summa Veg. Scand. p. 412. 

 Ex.sicc. Fckl. F. Rh. 621.— Rab. F. E. 255, 815, 1247.— Thum. F. Austr. i82.-id. M. U. 465, 

 M. March. 260.— Cke. F. B. 2d Ser. 221, 224.— EU. N. A. F. 175.— Desm. PI. Cr. Ed. 

 ist 562, Ed. 2d 1752. 



Perithecia 3-6, circinating in the inner bark, decumbent, large, 

 I mm. diam., ovate. Ostiola short, large, obtuse, erumpent in a small, 

 ))lack tubercle, but not connate. The pustules are thickly scattered, 

 l)ut the hark is only slightly raised above them. Asci oblong-clavate, 

 stipitate, p. sp. 50-75 x 8-10 [i. Sporidia biseriate, allantoid, only 

 slightly curved, smoky-hyaline, 12-18 x 3-4 //. 



On poplar and AJnus serrulata, Pennsylvania and Vermont (Berk, 

 in Grev.), on Acer rnbrvm, Carolina and New Jersey, on beech, New 

 rork (Peck). 



The spermogonial stage is Libert ell a fdgrriea , Desm. 



V. pauperata, C. & E. Grev. VI, p. 93. 



Exsicc. Ell. & Evrht. N. A. F. 2d Ser. 1571. 



Perithecia 2-4 together (mostly 3), buried in the unaltered sub- 

 stance of the bark, subglobose, black, \-\ mm. diam., necks decum- 

 bent. Ostiola large, obtuse, at length perforated, short, erumpent 

 together in the form 6f a minute, black, flattish tubercle. Pustules 

 numerous, subseriate, only slightly raising the bark. Asci clavatc, 

 p. sp. 60-70x8-10 [ji. Sporidia crowded-biseriate, allantoid, not 

 much curved, hyaline, 12-20 x3-4J /.<, mostly 12-15x4//. Spermo- 

 gonia {Cytispora sp.), minute, 1 mm. diam., conical, multilocular, 

 grayish-black inside, opening by a single pore at the apex. Spermatia 

 allantoid, hyaline, 5-6 x 1 //, on lanceolate basidia 12-15 p. long, 

 thickened below. 



On dead limbs of Acer rubrum, Nefl- Jersey and New Yoi-k. 



This is scarcely more than a depauperate form of V. quatermitu, 

 unless the spermogonig, warrant its separation as a species. 



V. srisea, Pk. Bull. Torr. Bot. Club, XI, p. 2s. 



Pustules Small. Perithecia 4-15 in a pustule, nestling in the; 

 inner bark, their necks converging and united in a small (less than 1 

 mm.), orbicular, gra}ish or brownish disk, Ostiola punctiform, black. 



