218 



Mycologia 



Illustrations: Bolt. Hist. Fung, pi. 130; Tul. Fung. Carp. 

 3 : pi. 2, f. 10-15; Pers. Myc. Eur. 1 : pi. 10, f. 1-3. 



Exsiccati : Rav. Fungi Am. 387 ; Rav. Fungi Car. 5 : 48. 

 Other specimens examined : Delaware, Commons; Florida, Cal- 

 kins; Maine, Miss White; Massachusetts, Britton; New Jersey, 

 Ellis. 



18. Cordyceps parasitica (Willd.) Seaver, N. Am. Fl. 3: 



53- 1910 



Clavaria parasitica Willd. Fl. Berol. 405. 1787. 

 Clavaria radicosa Bull. Herb. Fr. pi. 440, f. 2. 1789. 

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

 1797. 



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

 Cordyceps ophioglossoides Link, Handb. 3 : 347. 1833. 

 Torrubia ophioglossoides 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 long, 

 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 5J. /. 12-13). 



On species of Elaphomyces. 

 Type locality: Europe. 



Distribution : Ontario to Rhode Island and Virginia ; also in 

 Europe. 



Illustrations: Willd. Fl. Berol. pi. 7, f. 17; Bull. Herb. Fr. 

 pi. 440, f. 2. 



Specimens examined: Maine, Harvey; New Jersey, Ellis; 

 New York, Underzvood ; Ontario, Dearness; Pennsylvania, 

 Haines, Everhart & Jefferies; Rhode Island, Farlow; Virginia, 

 M urrilL 



