Helotium 139 



Type locality: Indian Lake, New York. 

 Distribution: New York and New Hampshire to Michigan 

 and Alberta, Canada. 



Illustrations: Mycologia 34: 166,/. 8. 

 ExsiccATi: EUis & Ev. N. Am. Fungi 2143. 



42. Helotium episphaericum Peck, Ann. Rep. N. Y. State Mus. 

 40: 66. 1887. 



Calycina episphaerica Kuntze, Rev. Gen. PI. 3^: 448. 1898. 

 Helotium parasiticnm Ellis & Ev. Jour. Ahc. 9: 165. 1903. 

 Dermatea mycophaga Massee, Kew Bull. Misc. Inf. 1908: 218. 1908. 



Apothecia minute, sessile, or subsessile, reaching a diameter 

 of .2 to .5 mm., solitary, or gregarious, occasionally several 

 crowded together, pale-yellow to bright-orange, or slightly 

 rufous; stem-like base V-shaped; hymenium concave, the color 

 as above; asci clavate-cylindric, reaching a length of 48-65 n 

 and a diameter of 5 ^t; spores clavate, 1 -seriate, or partially 

 2-seriate, 1.8-2.5 X 4.5-7 ju; paraphyscs scarcely enlarged above, 

 reaching a diameter of 2 ju. 



On stromatic pyrenomycetous iungi: Hypoxylon, Diatrypella, 

 Xylaria and Valsa ? 



Type locality: Elizabethtown, New York. 



Distribution: New York and Ontario; also in Europe and 

 Asia. 



Illustrations: Mycologia 34: 166,/. 15. 



43. Helotium laricinum (Ellis & Ev.) Seaver, comb. nov. 

 Pseudohelotium laricinum Ellis & Ev. Proc. Acad. Sci. Phila. 1894: 349. 1894. 



Apothecia sessile or subsessile, thin, almost membranaceous, 

 fleshy, orange-colored, flat-discoid, 3-5 mm. in diameter, the 

 margin slightly incurved when dry, externally minutely pubes- 

 cent, darker outside; asci cylindric, reaching a length of 75 fx and 

 a diameter of 8 n, 8-spored; spores 1-seriate, long-ellipsoid, 

 4-5 X 8-10 m; paraphyses filiform, not thickened above. 



On decaying needles of Larix in a tamarack swamp. 



Type locality: Northfield, Michigan. 



Distribution: Known only from the type locality. 



The type in The New York Botanical Garden has been 

 examined. As stated by Ellis the color in dried specimens is 

 pale-orange. 



