Dermea 363 



On branches of Finns Strohus. 



Type locality: West mainland, Lake Temagami, Ontario, 

 Canada. 



Distribution: Vermont to Ontario. 



Illustrations: Mycologia 38: 375,/. 15; 398,/. 51 a-b. 



13. Dermea Libocedri Groves, Mycologia 38: 382. 1946. 



Conidial fruiting bodies erumpent, separate, black, minute, 

 .2-. 3 mm. in diameter and about the same in height, rounded to 

 subcylindric, opening at the tip, containing a single ovoid, or 

 slightly lobed cavity lined with the conidiophores; conidiophores 

 hyaline, cylindric, pointed at the tip, simple, or branched near 

 the base, occasionally septate, 2.5-3.5 X 20-30 /x; conidia elon- 

 gate-filiform, hyaline, sickle-shaped, pointed at the ends, 1-3- 

 septate, 4-6 X 42-65 /x; microconidia hyaline, filiform, simple, 

 straight, or curved, ends not pointed, 1-1.5 X 10-18 m- 



Apothccia erumpent, single, or in clusters of two to four each, 

 sessile, slightly narrowed below, circular, or slightly undulated, 

 .3-. 5 mm. in diameter, .2-.3 mm. high, dark brownish-black, 

 fleshy-leathery when moist; hymenium concave to plane, black; 

 asci cylindric-clavate, short-stalked, 8-spored, reaching a length 

 of 75-100 fjL and a diameter of 12-17 /x; spores ellipsoid-fusoid, 

 hyaline, 1-3-septate, straight, or slightly curved, irregularly 

 2-seriate, 6-8 X 15-20 m; paraphyses hyaline, filiform, simple, 

 or branched, 1.5-2 /x in diameter, the tips swollen to 3-4 /x and 

 forming an epithecium. 



On Libocedrus decurrens. 



Type locality: Darlingtonia, California. 



Distribution: Known onh- from the type locality. 



Illustrations: Mycologia 38: 366,/. 7; 383,/. 31; 400,/. 57. 



14. Dermea Hamamelidis (Peck) Groves, Mycologia 32: 743. 

 1940. 



Patellaria Hamamelidis Peck, Ann. Rep. N. Y. State Mus. 33: 32. 1880. 



Lecanidion Hamamelidis Sacc. S\ll. Fung. 8: 800. 1889. 



Dermatella Hamamelidis Ellis & Ev. Proc. Acad. Sci. Phila. 45: 149. 1893. 



(as a new species). 

 Dermatella Hamamelidis Durand, Bull. Torrey Club 29: 464. 1902. 



Conidial fruiting bodies, minute, about .15-. 20 mm. in diam- 

 eter, erumpent through and splitting the outer bark, appearing 

 as thickly scattered, blister-like elevations in the bark, the spores 

 emerging through the cracks in the bark when moist; conidio- 



