335 



PI. lierbarum, (Pers.) 



Sph&ria herbarum, Pers. Syn. p. 79. 



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



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



Sphezria Pisi, Sow. Eng. Fungi tab. 393, fig. 8. 



Sphfzria 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. Ed. II, No. 347. 



Pleospora Asparagi, id. No. 750. 



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



Pleospora Allii, id. 1. c. 



Pleospora Pisi and Pleospora Samarte, Fckl. Symb. p. 131. 



Pleospora Meliloti, Rab. F. E. 2330 



Pleospora leguinimim. Wallr. Fl. Cryp. Germ. 3726. 



Pleospora Cepcz, Pr. Hoyersw. No. 290. 



Pleospora Grossulariee, Fckl. Symb. p. 131. 



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



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



Pleospora Ervt/u iiuz, id. p. 10. 



Pleospora Oxyacantha;, Pass, et Beltr. F. Sic. Nov. No. 10. 



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



Pleospora albicans, Sacc. Syll. 3/36. 



Pleospora Gymnocladi , Sacc. Syll. 3783. 



Sphceria pellita , Roum. F. G. 1284. 



Pleospora petiolorum, Thum. M. U. 760. 



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



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

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

 M. U. 1255. Sydow M. March. 179. EH. & Evrht. 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-papilliforni or sometimes somewhat elongated 

 ostiolum, glabrous or subfibrillose at base, 250-450 // 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 IJL (exceptionally reaching 40 t a) long. Paraphyses 

 jointed, thick, simple or somewhat branched. 



On dead stems of various plants, more especially of the Papil!- 

 onacece. Common everywhere from Greenland to Mexico. 



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



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

 sessile, thick-walled, 8-spored, 60-65 x 20 p. Sporidia l^iseriate, hya- 

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

 8 ju. Paraphyses filiform. 



On dead branches of Dendromecon rigidum, California. 



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



