L. oliva;spora, (B. & ( .) 



Sphtzria oliv&spoi a. B. & C. Grev. IV, p. i . 

 Leptosp/uri ia olir&spora, Sacc. Syll. 3170. 

 oliva'spora, Cke. Syn. 4960. 



Perithecia covered by the cuticle. but rather prominent, marked 

 in the center with the black ostiola. Asci linear. Sporidia oblong. 

 pointed at each end. -'>- septate, about four time.- longer than broad. 



On dead limbs of Cornusflorida, South Carolina. 



L. Fraxini, E. cV E. Journ. Mycol. Ill, p. 44. 



Spot- amphigenous, rusty below, dirty white above, with a rush 

 brown border, orbicular, small (1 mm.) or elongated (2-3x1 mm.). 

 (Vrithecia black, epiphyllous, few. small (75 //), erumpent, indistinctly 

 pierced above, and with a rudimentary mycelium around the base. 

 Asri clavate-cylindrical, 55-70 x 810 a. Sporidia biseriate. lu.-oid. 

 somewhat curved. nucleate, becoming 3-5-septate (mostly 4-septatei. 

 coiistrict'-d at the middle septum when mature, and slightly constricted 

 at the others, 2n-2.")x3|-4 . 



On living leaves of Fraxinus Americana, Columbia. .Mo. iB. r !V 



( lallowav |. 



. 



L. borealis, E. & E. (in Herb.) 



IVritheria scattei'ed, erumpent, j-J mm. diam.. the lowej- jtai'i 

 -unk in the wood, the apex raising the surface into flattish pustules 

 which are pierced in the center by the papilliform ostiolum. Asci 

 -iibcylindrieal. 150-170x8 //. Sporidia uniseriate, oblong, 3-septate, 

 not constricted, 18-22x5-7 p, pale brown, becoming darker. 



On decorticated Salix, Helena, Montana (Kelseyi. 



L. fuscella, (B. & Br.) 



Sph<n in fuscella, B. & Br. Brit. Fungi, No. 636, tab. XI, fig. 20. 

 I. r fit osphceria fuscella, Ces. & De Not. Schema, p. 62. 



Perithecia scattered, covered, subgiobose. slightly depressed, rai>- 

 inLi' tlie ejidermis into little pustules. Asci cylindrical. 100 x 9-10 ". 

 with a -hort. thick stipe. Sporidia obliquely uniseriate. oblong-ellip- 

 tical, rounded at the ends, sometimes slightly curved. 3-septate and 

 somewhat constricted at the septa, olivaceous, 15-17 x9 a. 



On dead stems of Rubus strigosus, Greenbush. X. Y. (fide 



L. platanicola, (Howe). 



Sphczria platanicola, Howe Bull. Torr. Bot> Club, V. p. 43. 

 Leptosphfsria platanicola, Sacc. Syll. 6130, Cke. Sj-n. 4276, 4760. 



Perithecia globose-conoid, erumpent, Asci cylindrical or sub- 

 45 



