Geoglossum 



23 



On soil, humus, decayed wood, or among pine needles in rich 

 woods. 



Type locality: Europe. 



Distribution: Maine to Ontario, Florida and Michigan; 

 also in Europe. 



Illustrations: Cooke, Mycographia pi. 2, f. 5; Massee, 

 Ann. Bot. 11: pi. 12, f. 42-43; Ann. Myc. 6: pi. 8J. 75-77; pi. 15, 

 f. 156-160. 



ExsiCCATi: Ellis & Ev. Fungi Columb. 1731. 



5. GEOGLOSSUM Pers. Neues Mag. Bot. 1: 116. 1794. 



Ascophores fleshy, erect, stipitate, clavate, hymenium cover- 

 ing only the upper portion, black, or brownish-black; asci 

 clavate-cylindric, 8-spored; spores fascicled, or multiseriate in 

 the ascus, cylindric or clavate-cylindric, 3-15-septate, fuliginous; 

 paraphyses numerous, septate, usually brownish above, confined 

 to the ascigerous portion. 



Type species, Geoglossum glahrum Pers. 



Paraphyses and asci free above, the apices not aggluti- 

 nated to form a brown epithecium; spores early be- 

 coming brown. 

 Spores 7- or 7-12-septate at maturity. 



Mature spores uniformly 7-septate; ascophore 

 black or brownish-black; paraphyses brown 

 above. 

 Paraphyses normally clavate in the distal third, 

 closely septate, usually constricted or monili- 

 form. 

 Paraphrases remotely septate, scarcely monili- 

 form, the thickening confined to the terminal 

 cell. 

 Mature spores 7-12-septate; ascophore tawny- 

 brown; paraphyses nearly hyaline. 

 Mature spores 15-septate. 

 Paraphyses and asci agglutinated above forming a con- 

 spicuous brown epithecium; spores usually remain- 

 ing for a long time hyaline. 

 Spores 0-7-septate; paraphyses brown, the tips pyri- 



form. 

 Spores 7-12-septate; paraphyses nearly hyaline. 

 Spores 15-septate, clavate-cylindric. 

 Ascophores large, up to 5 cm. high. 

 Ascophores small, usualh' 1 cm. high or less. 



1. G. glabrum. 



2. G. nigritum. 



3. G. fallax. 



4. G. pygmaeum. 



5. G. cohaerens. 



6. G. intermedium. 



7. G. alveolatum. 



8. G. pumilum. 



