WEST VIRGINIA GEOLOGICAL SURX'EY O/ 



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Spots light brown (wood color), irregular in shape, small, 

 1.5 to 2 mm., inconspicuous and indistinctly margined. 

 Perithecia immersed, small (65 to 70 /a) barely visible with a 

 lens. Sporules 40 to 50 x 2 to 2.5 fi, not strongly curved, 

 nucleate, hvaline. 

 S. Brassicae E. &-E., Field Mus. Bot., 1:117 (1896). 



Type habitat : On leaves Brassica nigra, Nov. 26, 1894 

 {Nuttall, discov. 1759, 646). 



Spots suborbicular or subangular, 3 to 4 mm. diameter, 

 dull white with a narrow, darker and sometimes slightly 

 raised border. Perithecia epiphyllous, numerous, sublenticu- 

 lar, pale brown, coarsely cellular, broadly perforated above, 

 100 to 115 /x diameter. Sporules numerous, curved, obtuse, 

 continuous, hyaline, 25 to 45 x 2 to 3 ix. 



Closely allied to ^9. Sisymbrii Ell., but that has the spots 

 greenish at first and never becoming more than whitish and 

 the sporules i to 3-septate. 

 S. Rub I West. 



On living leaves Rnbus Canadensis, Wood Co., Lcckhart's 

 Run, 1891 (Millspaugh). On same host July 26, 1894 

 (Nuttall, 1627). 

 S. CoRNi-MARis Sacc. 



On Cornus Horida. alt. 1,700 ft., July 19, 1894 (Nuttall. 

 1612). 

 S. coRNicoLA Desmz. 



On Cornus alternifolia, Sewell Valley, Aug. 6, 1894 

 (Nuttall, 1647). 

 S. kalmiaecola (Schw.) B. & C. 



On living leaves Kalmia latifolia, 1891, Monongalia Co., at 

 Camp Eden (Millspaugh). 

 S. ochroleuca B. & C. 



On leaves Castanca dentata, June 30, 1894. Maximum 

 number of perithecia in a single macula 20 (Nuttall, i579)- 



S. MICROSPERMA Peck. 



On Bettda lenta, ah. 1,200 ft., Oct .24, 1894. Sporules + 

 18 X .25 m (Nuttall, 1722). 

 S. PoLYMNiAE E. & E., Proc. Phila. Acad., 1894, 368. 



Type habitat : On leaves Polymnia Uvedalia, June 29. 

 1894 (Nuttall, discov. 1595, 543). 



Spots, scattered, angular, limited by the veinlets, 2 to 4 

 mm. diameter, dirty green. Perithecia epiphyllous, minute, 

 75 IX diameter, scattered, innate, inconspicuous. Sporules fili- 

 form, continuous, 35 to 50 x i to- 1.25 (x. 

 S. Trautvetteriae E. & E., Proc. Phila. Acad.. 1894, 368. 



Type habitat: On Trautvetteria Carolinensis, July 20. 

 1894 (Nuttall, discov. 1632, 564). 



Spots irregular, subangular, partly limited by the veinlets 



