335 



PI. lierbarum, (Pers.) 



Sphceria herbarum, Pers. Syn. p. 79. 



Sphceria Papaveris, Schum. Enum. Fung. Fl. Saell, II, p. 155. 



Pleospora herbarum, Rab. Herb. Mycol. Fd. II, 547. 



Sphceria Pisi, Sow. Fng. Fungi tab. 393, fig. 8. 



Sphceria Armerice, Corda Icones, IV, p. 41, tab. VIII, fig. 119. 



Sphceria Allii, Kl. Rab. Herb. Mycol. Ed. I, No. 838. 



Pleospora herbarum, var. Allii, id. Fd. II, No. 347, 



Pleospora Asparagi, id. No. 750. 



Pleospora Armerice, Ces. & De Not. Schema, p. 44. 



Pleospora Allii, id. 1. c. 



Pleospora Pist and Pleospora Samarce, Fckl. Symb. p. 131. 



Pleospora Meliloti, Rab. P. F. 2330 



Pleospora leguminum, Wallr. Fl. Cryp. Germ. 3726. 



Pleospora Cepce, Pr. Hoyersw. No. 290. 



Pleospora Grossularice, Fckl. Symb. p. 131. 



Pleospora Dianthi, De Not. Sfer. Ital. p. 74, fig. 80. 



Pleospora varians, Ces. Hedw. 1882, p. 9. 



Pleospora Erythrince, id. p. 10. 



Pleospora Oxyacanthce, Pass, et Beltr. F. Sic. Nov. No. 10. 



Pleospora socia, Sacc. & Pass. Herb. Critt. Ital. 1069. 



Pleospora albicans, Sacc. Syll. 3736. 



Pleospora Gymnocladi, Sacc. Syll. 3783. 



Sphceria pellita, Roum. F. G. 1284. 



Pleospora petiolorum, Thum. M. U. 760. 



Pleospora Clarkeana, F. & F. Bull. Torr. Bot. Club, XI, p. 75.* 

 Fxsicc. Fckl. F. Rh. 811, 899. Kz. F. sel. 68. Rab. Herb. Mycol. 347, 544, 547, 750. 

 id. F. F. 768, 951, 1018, 1635, 1636, 1929, 2330. Rehm Asc. 145, 341, 486, 683. Thum. 

 M. U. 1255. Sydow M. March. 179. FH. & Fvrht. N. A. F. 2d Ser. 1583 and 2368. 



Perithecia scattered, at first buried and covered by the epidermis, 

 finally free, depressed-spherical, of medium size, collapsing to flat or 

 concave, with a conic-papilliform or sometimes somewhat elongated 

 ostiolum, glabrous or subfibrillose at base, 250-450 fi diam., coriaceous, 

 black. Asci at first ovate, becoming oblong-clavate, stipitate, 8-spored. 

 90-1 65 (mostly 120-150) x 24-40 (mostly 27-30) p.. Sporidia biseri- 

 ate, ovate-oblong, rounded at the ends, or sometimes subattenuated 

 above, 7-septate and constricted at the septa, with 2-3 longitudinal 

 septa, yellow or yellow-brown, becoming dark brown, but not opake, 

 28-33x14-16 fi (exceptionally reaching 40 fi) long. Paraphyses 

 jointed, thick, simple or somewhat branched. 



On dead stems of various plants, more especially of the Papili- 

 onacece. Common everywhere from Greenland to Mexico. 



PL argyrospora, Hark. Bull. Cal. Acad. Feb. 1884, p. 45. 



Perithecia minute, black, scattered, erumpent. Asci clavate, 

 sessile, thick-walled, 8-spored, 60-65 x 20 ju. Sporidia biseriate, hya- 

 line, elliptic-lanceolate, 3-5-septate, with 1-2 longitudinal septa, 18 x 

 8 jut. Paraphyses filiform 



On dead branches of Dendromecon rigidum, California. 



*The synonymy of this species is taken from Winter's Pilze and Berl. Monograph. 



