1 lit) 



R. obliquata (Somm.) var. Americana, E. & E. 



Splueria obliquata, Somm. Fl. Lap. p. 213. 

 Sin-da > ia obliquata, Ces. & De Not, Schema p. 52. 

 obliquata* Sacc. Syll. 949. 



Perithecia irreu-arious. J mm. diam., erumpent. depressed-idol >n-r. 

 *rlabrous or with a few rudimentary, ^land-like liairs below: ostiolum 

 acutely papilliform or obsolete. Asci cylindrical, 120-130x6-7 //. 

 Sporidia nniseriate. mequilaterally elliptical, brown, continuous. S-10 

 x .")-(> //.. Paraphyses filiform. 



On scales of dead cones of Pinus ponder osa, Belt Mts.. Montana 

 i Anderson G13.) 



The perithecia in the Montana specimens are not obliquely at- 

 tached and the sporidia are rather smaller than stated by Dr. Winter 

 in Die Pil/e i 10-12x7 //.). The perithecia also are mostly evenly 

 rounded above, without anv distinct ostiolum. 







R. obtnsissima, (B. & ('.) 



Splitrt-ia ohtn.\i*sima, B. & C. Grev. IV, p. 142. 

 obtusis^iina, Sacc. Syll. 966. 



Perithecia ovate, with a papillilorm orifice, half buried amongst 

 the libers of the wuod. Asci linear. S]>oridia nniseriate. elliptical. 

 brown. VIM-V obtuse. 12-14 a. loiiLf. 



* i 



On bleached rotten wood. Pennsylvania i Midiener). 

 D. Perithecia x/m///. gregarious^ not brixtl y or 



R. pnlveracea, (Ehr.) 



pulverac,'a, F.hr. in Pens. Syu. p. 83. 



Sordai ia Fi-n-sii. Niessl. Vorarb. z. Cr} r pt. Flora Von Mahren, p. 112. 



Rost'lliiiia pitli't'tai'-a, Fckl. Sj-mb. p. 149. 



JRos?llinia l-'riesii, Xiessl. Beitr. z. Kentniss d. Pilze, p. 34. 



Sphirria miUegrana, Schw. Syu. X. Am. 1559. 



Splitnia daiisi't'i MI/I.\ Schw. Syn. X. Am. 1560. 



Exsicc. Fckl. F. Rh. 936. Kunze F. Sel. 260. Rab. F. E. 338, 1246. 2766. Rehm Asc. 

 192. 695. Rav. Car. IV, 58 id. F. Am. 672. Sacc. M. Ven. 1158. Rab. F. E. 2766. 

 Mycoth. March. 1335 EH. N. A. F. 193, 



Perithecia densely iiTeirarious. often fonninu 1 a continuous crusta- 



t, 



ceons layer, ]>ut sometimes scattered, ovate-globose, minutely tuber- 

 cular-roughened, about J mm. diam. Ostiolum papilliform. soon ]>er- 

 forated. Asri cylindrical. ]>. sp. mostly 1)0-70x10-12 //. with a 

 stipitate base 20-30 //. lonu 1 . and filiform paraphyses. Sporidia nni- 

 seriate, elliptical, brown, s 1 ")x()- ( .) //. (mostly 10-12x7-8 //). 



Common on dead wood (and bark) of deciduous trees from Maine 

 to Louisiana, and west to the Pacific coast. 

 22 



