Streptotheca 143 



Type locality: Europe. 

 Distribution: New York; also in Europe. 

 Illustrations: Jour, de Bot. 1: 34, f. A-G; E. & P. Nat. 

 Pfl. 1': 191,/. 153, A-B; Jour. Bot. 12: pi. 154, f. 6-10. 



2. Streptotheca woolhopensis (Renny) Seaver, comb. nov. 

 (Plate 12, ficx. 2-3.) 



Ryparobiiis woolhopensis Renny; Berk. & Br. Ann. Mag. Nat. Hist. IV. 11: 



348. 1873. 

 Ascobolus woolhopensis Renny, Jour. Bot. 12: 356. 1874. 



Apothecia minute, less than 1 mm. in diameter, white, sessile 

 or subsessile, externally clothed with minute whitish hairs; 

 hymenium plane or nearly so, roughened by the large protruding 

 asci; hairs blunt, thin-walled, septate, hyaline, reaching a length 

 of 40-60 M and a diameter of 8-20 m; asci clavate, attenuated 

 above into a rather acute apex, short-stipitate, reaching a length 

 of 100-200 M and a diameter of 20-22 /^ (broader when under 

 pressure), 64-spored ; spores at first collected into a rather compact 

 mass, becoming more or less separated in the older asci, ellipsoid 

 to fusoid, hyaline, 6-7 X 12-14 m; paraphyses rather stout, 

 hyaline. 



On the dung of birds and mice. 



Type locality: Great Britain. 



Distribution: New York; also in Europe. 



Illustrations: Ann. Mag. Nat. Hist. IV. 11: pi. 9, f. 12; 

 Jour. Bot. 12: pi. 153. 



3. Streptotheca obscura Seaver, sp. nov. (Plate 12, fig. 4.) 



Apothecia minute, scarcely visible to the naked eye, cinereous 

 under the lens and scarcely differing in color from the substratum ; 

 hymenium convex, dull; excipular cells irregular and the walls 

 pale yellowish-brown ; asci broad, clavate, stipitate below, slightly 

 constricted above near the apex, the constriction marking the 

 position of the ring or collar, reaching a length of 80 m and a 

 diameter of 20-22 m, 64-spored; spores ellipsoid, hyaline, 4 X 8 m; 

 paraphyses slender, septate. 



Type collected on rabbit dung at Tarrytown, New York, 

 May, 1916 (Herb. The New York Botanical Garden). 



Distribution: Known only from the type locality. 



