142 THE GASTEROMYCETES OF THE UNITED STATES AND CANADA 



Illustrations: Hollos. 1. c, pi. 22, figs. 20-24; pi. 29, fig. 36 (all as D. Debreceniensis). 

 Lloyd. Myc. Notes, p. 263, fig. 98; pi. 7, figs. 1-3 (as Colostoma). 

 PPetri. Flora Italica Cryptogama (Gasterales), fasc. 5, figs. 51, 52. 



South Carolina. North Island. In sand dunes under cedars. Coker and party, colls. (U. N. C. 



Herb.). Plants only 1.2-1.4 cm. thick. Spores strongly and irregularly warted, 7-9.5/j 



thick. 

 Colorado. Denver. Bethel, coll. (U. N. C. Herb.). Spores spherical, strongly warted, 6-8.5m 



thick, with traces of a halo. 

 Yuma. Clements, coll. Crypt. Form. Coloradensium. (N. Y. B. G. Herb., as Colostoma Candida.) 

 Spores minutely rough, 6-8m thick, often with a short pedicel. 

 Wyoming. Pitchfork. Davis, coll. (U. N. C. Herb.). Spores 5.5-7m, sometimes with a short pedicel. 

 Canada. Dorchester. Dearness, No. 2841. (Dearness Herb.) Spores strongly warted, 6-7.5/j 



thick. Capillitium threads broken up into bits, 3.2-4.5m thick, wavy and irregular, with thick 



walls. 



Disciseda pedicellata (Morg.) Hollos 

 Catastoma pedicellatum Morgan 



Plates 80 and 118 



Plants somewhat flattened, about 2-3 cm. broad; outer peridium not thick, usually- 

 reduced to a small basal pad when collected; inner peridium purplish brown or pallid 

 grayish brown, soft and pHable. Spore mass ashy brown at full maturity. 



Spores (of Hartsville plant) spherical, strongly warted, 6.5-8/u thick with a pedicel 

 about 2-9;u long [the short ones may have been broken]. Capillitium threads wavy, 

 fragmented, about 4m thick. 



We have collected this plant at Hartsville, S. C, and have compared it carefully 

 with Ravenel's Bovista nigrescens, No. 15, as represented in the Herbarium of the 

 Academy of Natural Sciences of Philadelphia (ex Herb. Geo. Martin). Morgan es- 

 tablished the species on a South Carolina specimen of this series from Ravenel. The 

 Ravenel plant has spores irregularly warted, spherical, 7-9/x thick with pedicels up to 

 6/i long, in all respects like those mentioned above; capillitium threads fragmented, 

 sinuous, up to 5ju thick, with thick walls. 



A plant received from Lloyd without locality data differs from South Carolina 

 plants in somewhat larger spores (7.4-9^) with more cylindrical warts and distinctly 

 longer pedicels (12-20/x). Otherwise the differences are inconspicuous and probably 

 represent a regional variety. For comparison with D. subterranea see that species. 

 For references see Lloyd, Myc. Notes, p. 121; also Letter 42 and Letter 62, Note 433; 

 Morgan, Journ. Cin. Soc. Nat. Hist. 14: 143. 



Illustrations: Lloyd. Myc. Works, pi. 7, figs. 4-7. 



South Carolina. Hartsville. In bare soil in a garden. Coker and party, colls. (U. N. C. Herb.). 

 Alabama. Auburn. Underwood, coll. (N. Y. B. G. Herb, and U. N. C. Herb.). Spores spherical, 

 strongly warted, 7-9m thick, with a pedicel up to 12. 5^ long. 



