366 



8-11 fjL, 3-5-septate, cylindric-oblong, agreeing with specc. from Dr. 

 Winter. 



L. agnita, (Desra.) 



SphcEria agnita^ Desm. Ann. Sci. Nat, III, Ser. 16 vol. p. 313. 

 Leptosph<Eria agnita, Ces. & De Not. Schema, p. 62. 

 Exsicc. Desm. PI. Cryp. Ed. I, 713.— Cke. F. Br. ist Ser. 277, 2d do. 255.— Rab. F. E. 2042. 

 Rehm Asc. 144.— Thum. M. V. 1257. 



Perithecia scattered, erumpent, becoming free, base applanate, 

 black and subsliining, about \ mm. diam., seated on gray, eifused spots. 

 Ostiolum papilliform, pierced, sometimes short-cylindi'ical. Asci sub- 

 clavate-cylindrical, narrowed slightly above and more so below, 

 8-spored, 1 20-125 x 8 //. Sporidia inordinate, elongated-fusoid, strongly 

 constricted in the middle, 8-celled (7-septate), the fourth cell from the 

 upper end generally somewhat swollen, yellow-brown, 30-35 x 3J [i. 

 Paraphyses filiform. 



On dead stems of Impatiens, West Chester, Pa. (Everhart), on 

 dry stems of Hie racium vulgatum, at various localities in Greenland 

 (Rostrup). 



L. acuta, (M. & N.) 



Sph€Bria acuta, M. & N. Stirp. Crypt. Vosges, No. i8r, 



Fieospora acuta, Fckl. Symb. p. 135. 



LeptosphcEria acuta, Karst. Mycol. Fenn, II, p. 98. 



SphcEria coniforniis, Fr. Syst, Myc. II, p. 508, sec. Karst. 

 Exsicc. Fckl. F. Rh. 900.— Rab. Herb. Mycol. 44, 729.— Thum. M. U. 1287. — M. March 45. 

 Plowr. Sph. Brit. 89.— Cke. Fungi Brit. Ser. I, 265, Ser. II, 254.— Rehm Asc. 783. 

 Deiim. PI. Crypt. Ed. I, 36. 



Perithecia scattered, at first covered by the epidermis, afterwards 

 bare and free, conical, running up into a thick, obtuse, perforated 

 ostiolum, black, glabrous, shining, about 350 /i diam. Asci cylin- 

 drical, elongated, 8-spored, 130-140 x 10 //. Sporidia biseriate, fusoid, 

 straight or a little curved, subinequilateral, 6-10-septate, yellowish, 

 36-50 X 5-6 jj.. Paraphyses slender, filiform. 



On dead herbaceous stems, Carolina and Virginia (Berk, in 

 Grev.). Probably not uncommon. 



L. toruliespora, (Cke.) 



Sphtzrta (orulcESpora, Cke. Texas Fungi, 136. 

 LeptosphcEria torulispora, Sacc. Syll. 3000. 

 Heptameria torulispora, Cke. Syn. 4804. 



Perithecia gregarious, ernmpent-superficial, conic-hemispherical, 

 about ^ mm. diam., glabrous, black, flattened at base, ostiolum conic- 

 papilliform, distinct. Asci cylindrical, sessile or nearly so, 75-80 x 12 

 H, with abundant paraphyses. Sporidia fasGiculate, fusoid-cylindrical, 



