173 



The Xewfield specc. have the asci (p. sp.) 75-80 x8-10 //.. Spo- 

 ridia 12-14x6-7 t u. Perithecia ovate, about J mm. diam. 



Differs from R. ligniarkt in its rather larger asci and sporidia. 



R. ambigua. Sacc, Fungi Yen. Ser. II. p. 328. F. Ital. tab. 594. 



Exsicc Rehni's Ascoraycetes, 790. 



Perithecia densely gregarious, superficial, with the habit and gen- 

 eral appearance of R. pulvcracea, (Ehr.i. globose-conoid, 120-140 // 

 diam.. very black, clothed all over, but especially around the small, 

 papilliform ostiolum. with acute, divergent bristles, finally bald. Asci 

 cylindrical, attenuated below, 80 x 8 t u, 8-spored, and with filiform par- 

 aphyses. Sporidia directly or obliquely uniseriate, ellipsoid, or sub- 

 globose, 10-12 x 7-8 tj.. slightly compressed laterally, greenish at first, 

 becoming dark, continuous. 



On branches of Sam l>n<- us pubens, Xew York (Peck), 



Evidently closelv allie<l to Ii. liqniaria. 



V t t/ 



R. hericiuni, (Selnv.) 



Sphceria hericium, Schw. in Herb. Berk. 



Coniochczta ho id urn, Cke. Syn. 2785 and Grev. XV, p. 82. 



Sphczria hcricium, Wall. Cr. Fl. Germ. No 3871? 



Perithecia scattered, 300 /JL diam. ,subglobose. dark brown, clothed 

 with short, subulate, scattered hairs. Asci cylindrical. 8-spored. Spo- 

 ridia oval, continuous, brmvn, 12-14 x 8 p.. 



On rotten wood, Bethlehem, Pa. (Schweinitx). 



R. ClavaricT, (Tul.) (Plate 20) 



Spluzria'Clavarice^ Tul. Ann. Sci. Nat. Ser. IV, torn. V, p. 113. 

 Spluzria Clavarics, Awd. Rab. F. Eur. No. 252. 

 Sordaria Clavaria?, Ces. & De Not. Schema, p. 52. 

 Pleospora Clavariainm, Tul. Sel. Carp. II, p. 271. 

 ffelmithospfuzria Clavariez, Fckl. Sj r mb. p. 166. 

 Rosellinia ClavaritE, Winter, Die Pilze, 3096. 

 Exsicc. Rab. F. Eur. 252, 1023, 2666. Fckl. F. Rh. 2443. Ell. N. A. F. 786. 



Perithecia gregarious, superficial, globose, without any evident 

 papilliform ostiolum. dark brown, clothed all over with simple, spread- 

 ing, sharp-pointed, rigid, brown hairs, and seated on a widely effused, 

 felt-like, black, subiculum, the branches of which, as well as the hairs 

 on the perithecia bear conidia at their tips. Asci cylindrical, attenu- 

 ated below into a stipe-like base, 80-90 x 6-7 ,. Sporidia uniseriate 

 or partly biseriate. elliptical, pointed at the ends, dark brown, con- 

 tinuous, 10-14 x 6-8 /JL. Paraphyses filiform, longer than the asci, 



On living Clavaria Xewfield, X. J. 



