880 sni^RiACEi. 



** Endopliloece. 



263B. Sphaeria velata. Pers. " Veiled Sphaeria." 



Broadly effused, thin ; perithecia scattered, immersed, covered 

 with a hlack membranaceous crust ; ostiola erumpent ; sporidia 

 crowded, colourless, narrowly almond shaped, endochrome 2-4 

 partite. — Fr. S.Jf. n.ji. 375. Fries, exs. no. 225. Enj. Fl. v. p. 

 246. Sow. t. 372 f. 10. Citrr. Linn. Trans, xxii. t. 45,/. 104. Fckl. 

 exs. no. 958. Diaporthe velata, Nke. Pyr. Germ. i.p. 287. Rahh. 

 F.E. no. llAd. 



On lime twigs. [Mid. Carolina.] 



Surrounding the branches, and growing in the inner bark, perforating the 

 epidermis with the ostiola and at length throwing it oflf j perithecia minute, 

 erect, ovato-globose, sometimes solitary, sometimes irregularly aggregate, 

 scarcely disposed in circles, by no means stipate, nestling in the bark itself, 

 covered with a thin patchy stroma, which is tuberculated with the perithecia j 

 ostiola erumpent, irregular, opaque. — Fries. 



Sporidia ('0005 in.) '0127 m.m. 



2639. Sphaeria ciliaris. Curr. " Thread-bearing Fphseria." 



Concealed ; perithecia small, subglobose, bearing threads of 

 Helminthosporiiwi on their surface ; sporidia biseriate, colourless, 

 narrow, pointed at the extremities, quadrinucleate. — Curr. Micro. 

 Journ. Yii.^9. 232, t. 11,/. 15. 



On ash branches. Oct. Weybridge. 



Covering the branches with perithecia, which are concealed (with the ex- 

 ception of the ostiola) beneath the cuticle, and many parts of them rough 

 with the erect threads of Helmirdhosjiorium. Sporidia sometimes almost 

 almond-shaped, sometimes strongly constricted in the middle, always (or 

 almost always) with four nuclei, from ("OOOS-'OOOQin.) •012o-'022 m.m. long. 



2640. Sphaeria celata. Curr, " Concealed Sphgeria." 



Perithecia round ; solitary, or in small groups, mostly con- 

 cealed ; ostiolum short, somewhat flat, rather gaping ; sporidia 

 biseriate, dark rich brown, oblong, constricted in the middle. — 

 Curr. MSS. Berk. Outl.p. 398. Sp. ohtecta,Curr. Micr. Journ. vii. 

 p. 233, t. Tii.fig. 16. B. 4' Br. Ann. N.H. no. 979, t. 17,/. 32. 



On wych elm. 



Sporidia (•0012--0015 in.) 'OS-'OSS m.m. long. 



Completely concealed by the cuticle ; perithecia subglobose, scarcely be- 

 coming free from the matrix, walls thick, jet black, gelatine white. Asci 

 clavate, Sporidia biseriate, in an early stage biconical, pointed at either 

 end, endochrome proportionally small, when old shorter, biconical, obtuse, 

 dark brown, the outer coat being entirely absorbed. 



