SPH^HIACEI. 9 827 



2476. Valsa salicina. Fr, " Willow Valsella." 



CoxiDiA. — Pulvinate, stroma fleshy brown, lentiform, black ; 

 conidia conglutinate, suboblong, brown. — Coniothecium amenta- 

 cearum, Corda. Ic. i. fig. 26. B. ^' Br. Ann. JSf.H. no. 460. 



Spermogoxia. — Conceptaciiliim none ; cells black, circinating; 

 disc plane, dirty brown ; tendrils delicate, pale ; spermatia 

 minute. — Cytispora fugax^Fr. S.M.n.p. 544. Bull. t. 432,/. 5. 

 Eng.Fl.Y.p.2%2. Cytispora salicina, Eahh. exs. no. ^^^. Fckl. 

 exs. no. 623. 



AscoPHORE. — Pustulate; peritbecia globose, disposed in 

 circles ; disc at length white, pierced with one or two pores ; 

 ostiola globose, very minute, at length exserted ; asci tetra- 

 sporous or octosporous ; sporidia cylindrical, curved, simple, 

 hyaline. — Fr. S. V.S. p. 412. FcJcl. exs. no. 615. Cooke exs. no. 

 377. S. salicina, Fr. S.M. ii. p. 401. Fries, exs. no. 10. Eng. Fl. 

 v.^. 250. Tode.f. 107. Valsa tetraspora, Curr. Linn. Trans, x.nii. 

 t. 48,/. 148 (partly). Berk. Ann. N.H. no. 367. Fckl. exs. no. 614. 



On willow twigs. Common. [Mid. Carolina.] 



Perithecia distinct, thin, minute, about 8 in every circle, their necks 

 united into a minute waxy, slightly prominent disc, which is at first dingy, 

 then white, pierced with a black pore, when it is very like V. levcostoma, but 

 when perfect the disc is obliterated by the shining globose ostiola. — Fries. 



2477. Valsa platanigera. B.^-Br. " Small Plane 



Valsella." 



Disc minute, whitish ; perithecia few ; ostiola obscure ; asci 

 clavate ; sporidia lanceolate, minute. — B. 4' Br. Ann. N.H. no. 

 851,?. 9,/. 12. 



On plane. Leicestershire. 



Perithecia 4-7 in a group, globose, subdecumbent, neck about the same 

 length, oblique ; disc small, white ; ostiola obscure j asci clavate ; sporidia 

 hyaline, lanceolate ("0007 in.) "0177 m.m. long. — B. d:Br. 



2478. Valsa tetraploa. B.<LCurt. " Four-ribbed Valsella. " 



Perithecia crowded ; ostiola 20-30, forming a compact tuft, 

 sub-quadrisulcate ; sporidia minute, oblong, curved. — Ann. N.H. 

 no. 854. 



On dead sticks. Feb. Elmhurst. [United States.] 



Perithecia 20-30 crowded, their ostiola, which are mostly quadrisulcate, 

 forming a little close tuft ; sporidia minute, sausage-shaped. — B. 4' Br. 



