172 



K. Perithecia s//tf///, /noxfly gregarious^ bristly. 

 R. ligniaria. irv.) 



i ia liffitiin ia, Grev. Crypt. Fl. Scot. I, p. 82. 

 n/ia li^tiiai /a, Sacc. Syll. 991. 

 Uxsicc. Fckl. F. Rh. 1810. 



I'erithecia gregarious. superficial. subglobose, or ovate-conical 

 black, about \ mm. diam., or rather less, clothed with short (20-30 ft.). 

 black bristles. Asri cylindrical, p. sp. about 75x9-10 JJL. Sporidia 

 obli(|iiely uniseriate. elliptical, brown. 12-14 x 5-6 //. 



On wood of various deciduous trees. Canada, New Jersey. Louisi- 

 ana. raroliiia and Virginia. 



The Louisiana spccc., (on poplar), have asci p. sp. 75-80 x 10-12/*, 

 spor. 12-15x7-8 //. bristles 20-30 /;. long. On Oxtrya Virgin n-a. 

 (Canada), spor. 10-1 2 x 7-8 /i. On wood of Sambucus (Canada) spor. 

 10-12x7-9 tt. bristles 50-75 //. long. Pin us and Cupressus are ; t lsi> 

 given in the Sylloge as habitats of this species. 



R. trk'hota, (C. & E.) 



Spluzria abietina, Fckl var. trichota C. & E- Grev. VI, p. 13. 

 Sphtfi ia hirt issinia, Pk. 28th. Rep. N. Y. State Mils. p. 78. 

 Exsicc. EH- N. A. F. 895. 



Perithecia mostly densely gregarious, ovate, 380 // high and 300 // 

 \vide. densely clothed with straight, black, erect bristles. 75-90 // loiiir. 



^ / C 



Asci (p. sp.) 80-90 x 10-12 //, with a narrow, stipitate base 30-40 it 

 long. Sporidia uniseriate. lying end to end, subglobose or short ellip- 

 tical opake. 12-14 x 10-12 p. 



On decorticated fallen limbs of Pinus rig id a, and on wood of 

 white cedar. Xewh'eld. X. J. Mostly in the excavations made bv 

 larva? burrowing under the bark. 



On account of its longer bristle? 1 and subglobose sporidia we con- 

 sider this worthy of specific rank. 



R. abietina, Fckl. Symb. p. 150. 



Kxsicc. Fckl. F. Rh. 1811. 



Perithecia gregarious or crowded, a little larger than those of R. 

 -ci'ticcd, ovate, attenuated above into an obtusely conical ostiolum, 

 black, covered with very short, black bristles. Asci cylindrical, 95- 

 100x10-12 //. stipitate. Sporidia obliquely uniseriate, oblong, sub- 

 elliptical, continuous, brown, 1416 x (J-8 //. 



On exposed dead wood of Juniperus Virginiana, Newfield. XV?J. 



