LYC0PERDAC1 U 99 



Canada. London. Pcarncss, coll. (U. N. C. Herb.). Spores smooth, spherical, 3.8-4.5/1, with no 

 obvious pedicel. 



Bovista plumbea Ters. 



Plate 114 



Plants small, 2-3 cm. thick, nearly globose and attached by a clump of fibrous 

 mvcelium; cortex thin, whitish, at maturity shelling off in plates over the upper half 

 or over most of the surface. Inner peridium thin, smooth, mouse gray to deep mouse 

 gray of Ridgway, dehiscing at the apex by a rather large, nearly circular mouth. 



* Spores (of No. 5358) oval with long, pointed, hyaline pedicels up to 13^ long, very 

 minutely rough, with a halo around the spore; wall two-layered, outer layer thinner and 

 dark, inner one thicker and lighter, 4.5-6 x 5.5-7^, with one large oil drop. Capillitium 

 ochraceous brown, loose, the threads several times branched, main stems 16-22^ thick, 

 branches tapering to a point. According to Rolland (see below), the basidia are 

 4-spored with rather long sterigmata. 



Our plant agrees well with Morgan's description. Bovista ovalispora Cooke and 

 Massee is probably the same plant (Ann. Bot. 4: 62. 1889). Lloyd states (Myc. 

 Notes No. 12: 115) that in B. plumbea "most spores are not truly globose, but have a 

 tendency to oval form. There is, however, a wide range in this respect." See under 

 B. pila for comparison with B. nigrescens. 



Illustrations: Berkeley. Ann. Sci. Nat., 2nd ser., 12: pi. 2, figs. 15-18. 1839. 

 Corda. Icon. Fung. 5: pi. 6, fig. 47. 1837. 



Dufour. Atlas des Champ. Comest. et Ven., pi. 75, No. 171. 1891. 

 Hard. Mushrooms, fig. 472. 

 Lloyd. Myc. Works, pi. 1. 

 Massee. Ann. Bot. 4: pi. 4, fig. 63. 

 Rolland. Bull. Soc. Myc. Fr. 22: pi. 22, figs. 12-15. 1906. 

 Sorokine. Rev. Myc, 1890, pi. 12, figs. 342, 343; pi. 25, fig. 352. 

 Tulasne. Ann. Sci. Nat., 2nd ser., 17: pi. 2, figs. 1-3. 1842. 



North Carolina. Asheville. Beardslee. (U. N. C. Herb., No. 5358.) Spores oval, with faintly 

 striated walls, 4.5-6.5 x 5.5-8/*. 



South Carolina. Ravenel. Fungi Car. Exs. No. 81, as B. nigrescens. (Phil. Acad. Herb.) 



New York. Albany. Peck, coll. (Curtis Herb.). Also others from New York as B. nigrescens. 



Massachusetts. Boston. Sprague, coll. (Curtis Herb., as B. nigrescens). 



Ohio. Hayden, coll. (Curtis Herb., as B. nigrescens). 



Cincinnati. Lloyd, coll. (Bresadola Herb, and U. N. C. Herb.). Spores dark, oval, faintly rough, 

 4.5-6.8 x 5.5-7.4/1, with a pedicel up to 13/i long. Capillitium as usual, dark, thick- 

 walled, up to 22m thick. 



Wisconsin. Blue Mounds. (Univ. Wis. Herb, and U. N. C. Herb.) Spores oval with long tapering 

 pedicels, 4.2-5.2 x 5.5-7/1. 

 Eagle Heights. (Univ. Wis. Herb, and U. N. C. Herb.) Spores oval, with walls faintly lined, 

 4.8-6 x 6-7.5/1, with pedicels up to 16/i long. 



Wyoming. Pitchfork. Davis, coll. (U. N. C. Herb.). Spores oval, minutely rough, 4-5.5 x 5.5-7/1, 

 with long pedicels. 



Bovista minor Morgan 



Plate 114 



Plant subglobose, about 1.5 cm. broad (1.3-1.8 cm., according to Morgan), sub- 

 terranean until exposed by rain, etc., the surface at first entirely covered with earth 



