'2(54 



>lHirs, very small. A><ci clavate, 30 x 10 fi. .Sporidia elliptical, 6 x 3 /z. 

 On leaves of Accv ruhvuui, South Carolina. 



L. Cucurbitacekrum, (Schw.) 



Sphesrta Cncurbitacearum, Schw. Syii. N. .^ni. 1699. 



SphizreUa Cncuibitacearum, Cke. 1. c. 



La^tadia Cucurbiliicearutn ,Sacc. Syll. 6014, Cke. Syn. 5269. 



T'eritheeia eiuersed-innate, hemispherical, smooth, ver\- minute, 

 shining, nicuiltranaceous, covered liy the epiiderniis. Asri clavate. 

 short. S])oridia ellijitical, continuous, hyaline, 7| x 3 ,«. 



On gourds, Bethlehem, Pa. 



The specimen in Plerh. Sclnv. is without fruit, inimatui'c or sterile. 



L. Polygonati, (Schw.) 



Splicriia Poly^onati, Schw. Syu. N Am. 1793. 



Spkcrrella Polygonati, Cke. 1. c. 



L/Tsladra Polygonali, Sacc. Syll. 6010, Cke. Syn. 5251. 



Peritliecia scattered, innate, prominent on both sides of the leaf. 

 Iiemis]jherical, astomoiis, hlack, nucleus white, ^-ithout any fibron^ 

 ■^ubiculum. 



On PoJygoiuifiiiii, Bethlehem, Pa. 



SPH JIRELLA, Ces. & De Not. 



Schema di Cassif. Sferiacei, p. 62. 



Peritliecia thin-membranaceous, g'loliose-lenticular, covered by 

 the epidermis, oi' subenimpeut. Ostiolum iuijjressed or short-pa pilli- 

 toi'm, perforated. Asci Avithout paraphyses, 8-spored. Sporidia ellip- 

 (ical or oblong, 2-celled, hyaline or subhyaline. Spermogonia and 

 conidia of many species known. An extensive genus. Perithecia 

 small, puiM^tiform, generally foliicolous, rarely on twigs and fruit. 



A. Pavunitir on Jeiircs <if' diciitylcrloiiodK tree>i ami shnihx. 



S. aquatica. ("ke. Journ. Bot. 1883, p. 106. 



Exsicc. Rar. F. Am. 690. 



Peritliecia hjpophyllous, globose, dark brown, densely crowded 

 on orbicular s])ots. at first covered by the cuticle, then emergent. 

 Asci clavalc-cylindrical. Sporidia elongated-elliptical, nniseptate, hya- 

 line, 20 X 4 a. 



On leaves of QiD^rrut! ri(jii(ifira, Darien, Ga. 



