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224 Mycologia 



irregular, i cm. or more in length, grayish or blackish ; stromata 

 black, prominent, pulvinate or subhemispheric, 1-5 mm. in 

 diameter, several springing from the same sclerotium, minutely 

 roughened by the slightly protruding perithecia; perithecia im- 

 mersed ; asci cylindric, with a pedicel at the base, as much as 20 

 mic. in length; spores i mic. thick, at maturity breaking into 

 segments 3-4 mic. long. 



On Danthonia spicata (L.) Beauv., and other grasses. 



Type locality: Sandlake, New York. 



Distribution : Maine to South Carolina, Texas and Iowa. 



Illustrations: Jour. Myc. 11: pi 81, 82, ^8. 



ExsiccATi : Ellis & Everh. N. Am. Fungi ^J/J. Barth, Fungi. 

 Columb. joi"/. Other specimens examined: Connecticut, Shel- 

 don; Iowa, Buchanan; Nova Scotia, Dearness. 



Doubtful Species 



BaJansia discoidea P. Henn. Hedwigia Beibl. 39: yy. 1900. 

 Doubtfully reported from North America. 



Doubtful Genus 



UsTiLAGiNOiDEA Bref . Unters. Gesammt. Myk. 12 : 194. 1895. 



The imperfect stage of this fungus resembles a smut and the 

 perfect stage is said to be similar to Spermoedia; the genus has 

 been placed in the Hypocreales by Lindau. Ustilaginoidea 

 Oryzae (Pat.) Bref. loc cit., commonly known as the green 

 smut of rice, is reported as occurring in Louisiana. No speci- 

 mens have been seen. 



New York Botanical Garden. 



EXPLANATON OF PlATE S3 



Figs. 1-5. Cordyccps claviilafa Schw. Figs. 1-3 after Berkeley and Curtis. 



Fig. I. Two plants on scale-insect, natural size. 



Fig. 2. Scale-insect with a number of sterile plants. 



Fig. 3. Scale-insect with mature plants. 



Fig. 4. Ascus with spores. 



Fig. 5. One spore removed from ascus. 



Fig. 6. Cordyceps herculea (Schw.) Sacc. Copied from photograph in 

 herbarium of the New York Botanical Garden, about natural size. 



Fig. 7. Cordyceps cntomorrhiza (Dicks.) Link. Copied from the original 

 drawing. 



Figs. 8—9. Cordyceps agariciformia (Bolton) Seaver. 



