218 Mycologia 



Illustrations: Bolt. Hist. Fung. />/. /50; Tul. Fung. Carp. 

 3 : pi. 2, f. JO-ij); Pers. ]\l}c. Eur. i : pi. 10, f. /-?. 



ExsiccATi : Rav. Fungi Am. 56"/ ; Rav. Fungi Car. 5 : 48. 

 Other specimen.s examined: Delaware, Commons; Florida, Cal- 

 kins; Maine, Miss White; Massachusetts, Britten; New Jersey.. 

 Ellis. 



18. CoRDYCEPS PARASITICA (Willd.) Scavcr, N. Am. Fl. 3: 



53- 1910 

 Clavaria parasitica \\^illd. Fl. Berol. 405. 1787. 

 Clavaria radicosa Bull. Herb. Fr. pi. ./ fo. f. 2. 1789. 

 Sphaeria ophioglossoidcs Ehrh. ; Pers. in Holmsk. Coryph. 144. 



1797. 

 Sphaeria radicosa DC. Fl. Fr. 2: 283. 1805. 

 Cordyceps ophioglossoidcs Link. Handb. 3: 347. 1833. 

 Tornihia ophioglossoidcs Tul. Fung. Carp. 3: 20. 1865. 



Stromata solitary or very rarely cespitose, consisting of a 

 slender, sterile stem and an enlarged, clavate, fertile head ; stem 

 olivaceous, longitudinally striate, becoming very dark colored in 

 dried specimens, sending out numerous branching root-like fibers 

 which surround the substratum and extend for some distance into 

 the surrounding soil ; head clavate, much enlarged, tapering often 

 both above and below, dark-brown, becoming nearly black on 

 drying and roughtened by the protruding perithecia ; perithecia 

 thickly scattered, immersed or slightly protruding; asci very lom^, 

 often 300 mic, and 8-10 mic. in diameter; spores filiform, nearly 

 as long as the ascus, many-septate and often breaking into seg- 

 ments ; segments short, a little longer than broad, about 3-4 X 2-3 

 mic. [pi. s^?. /. 12-1^ ). 



On species of Elaphomyccs. 



Type locality : Europe. 



Distribution : Ontario to Rhode Lsland and Virginia ; also in 

 Europe. 



Illustrations: Willd. Fl. Berul. pJ. 7, /. i"^; Bull. Herb. Fr. 

 pi. 440, f. 2. 



Specimens examined: Maine, Uavvcy; New Jersey. Ellis; 

 New York, Undcrzcood ; Ontario, Dcarncss: l^ennsylvania, 

 Haines, E7'crhort & Jcffcrics; Rhode Island, Farloiv; Virginia, 

 Miirrill. 



