295 



On yellowish sj)ots on living leaves of Orontium aquaticum, 

 Newfield, N. J. 



S. paiilula, Cke. Grev. VI, p. 146. 



Perithecia scattered, minute, globose, half free, 70 /j. diam. Asci 

 clavate, 20 /j. long. Sporidia elliptical, at length uniseptate, 5 ju long. 



On sheaths of Zea Mays, Gainesville, Florida (Ravenel). One of 

 the smallest representatives of the genus, masked by the Clado- 

 sporium with which it is mixed. 



We have seen no specimens, and take the diagnosis and remarks 

 from Grevillea. 



S. ignobilis, Awd. 1. c. p. 17. 



Exsicc. Rab. F. Eur. 1645. 



Perithecia hypophyllous, sunk in the substance of the leaf, scarce- 

 ly piercing the epidermis, scattered, globose, black, pierced abov.e, 

 100-125 fj. diam. Asci very numerous, clavate-cylinclrical, sessile, 

 8-spored, 50 x 6-8 //. Sporidia overlapping-uniseriate or subbiseriate, 

 pale, oblong-clavate, ends rounded, uniseptate, scarcely constricted, 

 10-12 x 4 /i. 



On Aira alpina, Greenland. 



S. lineolata, (Rob. & Desm.) 



Sphtzria lineolata, Rob. & Desm. in Ann. Sci. Nat. II, Ser. torn. XIX, p. 351. 

 Sphcerella lineolata, De Not. Schema, p. 63. 

 Exsicc. Desm. Pi. Crypt, de France Ed. I, 1203. 



Perithecia amphigenous, sunk in the somewhat blackened substance 

 of the leaf, seriate, with the perforated apex rupturing the epidermis, 

 more or less erumpent, globose, black, 60-70 p. diam. Asci obovate 

 or oblong-clavate, sessile, 8-spored, 40-50 x 12-14 ju. Sporidia biseri- 

 ate, oblong or obovate, ends rounded, uniseptate, not at all or only 

 slightly constricted, hyaline, 16-18 x 3-4 p. 



On Alopecurus alpinus and Poa filipes, Greenland. 



S. Liizulse, Cke. Grev. VI, p, 31. 



Perithecia sunk in the substance of the leaf, punctiform. Asci 

 clavate-cylindrical. Sporidia biseriate, 4-nucleate, becoming unisep- 

 tate, hyaline. No measurements given. 



This species was found by Cooke on De Thiimen's specc. of Hen- 

 dersonia Typhoid ear urn, (Austrian Fungi, 785). 



The specc. in our copy of this collection afford an abundance of 

 cylindrical, yellowish-hyaline, 2-4-nucleate spores 10-20x3 p., but no 



