MiCROGLOSSUM 13 



Durand (Mycologia 13: 185. 1921.) states that this is 

 "doubtfulh- distinct" from the preceding M. gracilis, which has 

 been found by the writer in quantity in Colorado (see Mycologia 

 3:57. 1911.). 



Excluded Species 



Mitrula inflata Fries, Elench. Fung. 1: 234. 1828. 



This is Phymlacria inflata (Fries) Peck, a basidionn cete. 

 Mitrula roseola Morgan, Jour. Cin. Soc. Nat. Hist. 18: 42. 1895. 



"Mr. Morgan later concluded that this was a lichen." 



2. MICROGLOSSUM Gill. Champ. Fr. Discom. 25. 1879. 



Helote Hazsi. Magyar. Akad. Ertek. Termesz. Kor. ll'»: 8. 1881. 

 Geoglossum subg. Leptoglossum Cooke, Mycographia 250. 1879. (in part.) 



Ascophores fleshy, erect, stipitate, clavate, ascigerous only in 

 the upper portion, bright-colored (usually yellow, brown or 

 green); asci clavate-cylindric, 8-spored; spores 2-seriate, hyaline, 

 smooth, ellipsoid, fusiform, or cylindric, becoming 3-many- 

 septate; paraphyses present. 



Type species, Geoglossum viride Pers. 



Paraphyses strongly curved or uncinate and slightly 

 thickened at the tips. 

 Spores of one kind in the ascus. 



Ascophores bright-yellow. 1. M. rufum. 



Ascophores yellow-clay or tawny. 2. M. fumosum. 



Spores of two kinds in the ascus, the larger 60-100 ju 

 long, 14-16-septate; ascophores cinnamon- 

 brown. 3. M. longisponim 

 Paraphyses straight or flexuous; ascophores usually with 

 a greenish tint. 

 Stem smooth, fibrous. 4. M. olivaceum. 

 Stem squamulose, scarcely fibrous. 5. M. viride. 



1. Microglossum rufum (Schw.) Underw. Minn. Bot. Studies 1: 

 496. 1896. 



Geoglossum rufum Schw. Trans. Am. Phil. Soc. II. 4: 181. 1832. 



Clavaria contorta Schw. Trans. Am. Phil. Soc. II. 4: 182. 1832. 



Geoglossum luteum Peck, Ann. Rep. N. Y. State Mus. 24: 94. 1872. 



Mitrula lutescens Berk.; Cooke, Hedwigia 14: 9. 1875. 



Geoglossum pistillare Berk. & Cooke; Cooke, Mycographia 206. 1878. 



Mitrula rufa Sacc. Syll. Fung. 8: 38. 1889. 



Mitrula pistillaris Sacc. Syll. Fung. 8: 38. 1889. 



Leptoglossum luteum Sacc. Syll. Fung. 8: 48. 1889. 



Xanthoglossum luteum Kuntze, Rev. Gen. 2: 875. 1891. 



Leptoglossum lutescens mitruloides Rehm, Ann. Myc. 2: 32. 1904 



