396 The Myxomycetes of the United States. 



78. Stemonitis maxima Schw., Am. Bor., 2349. 

 On old Polyporus. Bethlehem (Schw.). 



79. Stemonitis ckypta Schw., Am. Bor., 2351. 

 In cracks of rotten trunks. Nazareth CSchw.). 



Genus 18. Comatricha Preuss. 

 80. Comatricha typhina (Roth.). 



Stemonitis typhina Roth., Fl. Germ., i, 547. Schw., Am. Bor., 2343. 

 Stemonitis typhoides Dc. Fl. Fr., ii, 257. Rav., Ex., ii, 76. 

 Stemonitis pumila Corda, Ic, V, 37. 



Spores -0046— -0067 mm . 

 On wood, sticks, etc. Car. (Schw., Curt.); Penn. (Schw.); N. York 

 (Peck) ; California (Harkness). 



81. Comatricha Friesiana DeBary. 



Stemonitis obfuscata Fr., Sym. Gast., 17. Lea, Cine. PI., p. 69. Rav., 



Fungi Car., V, 84. 

 Stemonitis ovata Pers., Syn., 189. Schw., Am. Bor., 2347. 

 Stemonitis globosa Schum., Saell. 



Spores -0083— •01 mm . 

 Var. A. obovata. 

 Var. B. oblonga^ 



On dead wood. Ohio (Lea); Alabama (Peters); Car. (Curt., Schw.); 

 Conn. (Wright) ; Penn. (Schw.) ; Maine (Morse) ; California (Harkness). 



82. Comatricha Persoonii R. 

 Stemonitis oblonga Fr., Sys. Myc, iii, 159. Curt., Cat., p. 112. 

 Spores -0066— •00S3 mm . 



83. Comatricha pulchella Bab. 



Stemonitis papillata Pers. Disp., t. i, f. 4. Schw., Am. Bor., 2348. 

 Stemonitis pulchella Berk., Ann. and Mag. N. H., 1841, t. 12, f. 11. 

 Stemonitis tenerrima Curt., in Sill. Journ., p. 349. B. and Curt., Grev., 

 No. 373. 



A. obovata. 



B. oblonga. 



On bark, grass, etc. Car. (Curt., Schw.) ; N. York (Peck) ; Penn. (Schw.) 



84. Comatricha confluens C. and E. 

 Stemonitis confluens Cooke and Ellis, in Grevillea, V, p. 51. 

 On oak bark. N. Jersey (Ellis). 



