369 



into little obtusely conical projections, around which the suiface of the 

 matrix is of a tawny color. Asci clavate-cylindrical, 50-60x7-8 /j.. 

 Sporidia bi^eriate, oblong, 3-septate and slightly constricted . at the 

 septa, brown, 11-15 x 3-3 1 //, ends obtuse. 



On petioles of Sahal serrulata, Florida (Martin and Calkins). 



This is closely allied to L. sabaligera, B. & C, but (sec. Louisi- 

 ana specc. from Langlois), differs in its rather larger, less prominent 

 perithecia and shorter, darker, constricted and obtuse sporidia. 



L. gigaspora, Niessl. in Rab. F. E. 2998. 



Perithecia somewhat scattered, globulose, sunk in the parenchy- 

 ma of the leaf, | mm. diani., with a broad, flattened, scarcely erumpent 

 ostiolum, black. Asci broad cylindric-clavate, sessile, rounded at the 

 apex, 8-spored, 144-150x22-24// thick. Sporidia 2-3-seriate, elon- 

 gated-fusoid, at first hyaline and 2-celled, finally 3-septate and some- 

 what constricted at the septa, honey -yellow, 50-55 x 10-12 /z. 



On leaves of Carex microglocMn, Igaliko. Greenland. 



L. culmorum, Awd. Verzeichn. des Leipz Tausch Vereins (1866), 

 p. 4. 



Leptospharia microscopica, Karst. Fungi in Ins, Spctsb. coUecti, in Oefvers, af 

 Vetensk. Akad. Forhandl. (1872), p 102. 

 Sxsicc. Rab. F. E. I553> 54, 2759.— Rehm. Asc, 2+0.— Thum. F. Austr. 1254.— id. M. U. 76i, 



Perithecia scattered, buried except the very small papilliform, 

 projecting ostiolum, finally more or less erumpent, black, glabrous, 

 about 100 fi diam. Asci elongated-clavate, very short-stipitate, 8- 

 spored, 60-80 x 12-16 jx, with scanty, filiform paraphyses. Sporidia 

 2-3-seriate, oblong-fusoid, subinequilateral or slightly curved, 3-sep- 

 tato, the penultimate cell often a little enlarged, honey-yellow, 17-22 

 (or even 27) x 6-9 jx. 



On Luzula arcuata,, spicata, and multiflora, Poa glaum, and 

 flexuosa, and on Alopemrus alpinus, in western Greenland. 



L. juncina, (Awd.) 



Spfusria juncina, Awd. in Rab. F. E. 748- 



Spharella juncina, Awd. Myc. Eur. p. 18, tab. VI, fig. 74, 



Heptameria juncina, Cke. Syn. 4865. 



Leptosphceria juncina, Sacc. Syll. 3094- 



Perithecia very numerous, thickly scattered, covered by the epi- 

 dermis, globose, pierced above, black, 50-60 ^i diam. Asci elongated- 

 ovate, 'very short-stipitate, 8-spored, 48x10-12 p.. Sporidia 3-4- 

 seriate, fusoid. subobtuse, slightly curved, 3-septate, not constricted, 

 brownish, 24 x 3-4 /«, often surrounded by a gelatinous envelope. 



On Juncun Uglumis, Disco, Greenland. 

 47 



