40 The North American Cup-Fungi 



Type species, Leotia truncorum Alb. & Schw. 



Spores 175-250 M long. 1. V. truncorum. 



Spores 85-100 M long. 2. V. foliorum. 



1. Vibrissea truncorum (Alb. & Schw.) Fries, Syst. Myc. 2: 31. 



1822. 



Leotia truncorum Alb. & Schw. Consp. Fung. 297. 1805. 

 Leotia Clavus Pers. Myc. Eur. 1: 200. 1822. 



Vibrissea truncorum var. albipes Peck, Ann. Rep. N. Y. State Mus. 44: 37. 

 1891. 



Ascophores solitary, gregarious, or in clusters of two or three 

 each, 4-5 mm. high; ascigerous portion hemispherical-convex, 

 margin obtuse, 3 5 mm. in diameter, yellow, orange, or reddish- 

 orange, rarely pallid; stem terete, up to 1.5 cm. high, 1-2 mm. 

 thick, white to bluish-gray, or brownish, minutely squamulose, 

 due to minute, spreading hyphae, rather darker below; asci 

 slenderly cylindric, apex rounded, not blue with iodine, reaching 

 a length of 200 325 ju and a diameter of 5-6 /x, 8-spored ; spores in 

 a parallel fascicle in the ascus, hyaline, very slenderly filiform, 

 slightly narrowed toward each end, nearly as long as the ascus, 

 multiseptate, up to 1 X 250 /x; paraphyses filiform, occasionally 

 forked, the apices somewhat clavate-thickened and colored. 



On wholly or partly submerged sticks etc., in brooks, mostly 

 in higher altitudes. 



Type locality: Europe. 



Distribution : Laborador to Alaska and West Virginia. 



Illustrations: Trans. Linn. Soc. II. 2: pi. l,f. 1-9; Phill. 

 Brit. Discom. pi. 10, f. 60; Rab. Krypt.-Fl. 1-^: 1164,/. 1-4; Ann. 

 Bot. 11: pi. 12, f. 15-I7a; Gill. Champ. Fr. Discom. pi. 29, f. 1; 

 Kromb. Myk. Heft pi. 5,f. 34-36; Ann. Myc. 6: pi. 11, f. HI, 

 112; Pers. Myc. Eu. 1: pi. 11, f. 9. 



ExsiccATi: Ellis, N. Am. Fungi 134. 



2. Vibrissea foliorum Thaxter; Durand, Ann. Myc. 6: 454. 



1908. 



Ascophores solitary, or gregarious, stipitate, of soft consist- 

 ency; ascigerous portion convex, 1-1.5 mm. in diameter, yellow- 

 ish-orange; stem pallid, 2-3 times as long as the diameter of the 

 head, slender, translucent, slightly furfuraceous with projecting 

 hairs below; asci narrowly cylindric, apex rounded, not blue 

 with iodine, reaching a length of 150-180 n and a diameter of 

 5-6 yi, 8-spored ; spores in a parallel fascicle in the ascus, hyaline, 

 slenderly filiform, 1 X 85-100 /z; paraphyses filiform, hyaline, 



