of a lighter color and (under the microscope) is by. 

 SPECIMENS IN OUR COLLECTION- 



Tunis, Doctor X. Gillot, "In the sand close to the sea near Tunis." 

 TYTOSTOMA AMERICAXUM (Plate 80). Peridium uncol- 



i great abundance in the vicinity^ of Den- 

 Sterling. In my 



with Prof. Peck. They form Mheir g ' rf kcr jn 



of T. Kansense as described. 



SPECIMENS IN OI:R COLLECTION. 

 Colorado E. B. Sterling, in great variety and abundance. 



ed by Prof. Peck as Tylostotna Kansense). 



Group 7. 

 TVTOSTOMA RICKII (Plate 81 ). Peridium dark, reddish 



Collected in Brazil by Rev. ]. Rick. 



SPECIMENS IN OrR COLLECTION. 

 Brazil, Rev. J. Rick. 



TVT nsTf )\T\ Al'STRM TANUM (Plate 81). Peridium uncol- 

 orer^^i^s^^ irregularly peeling off and Distent ^ 

 the hase. Mouth an irregular, torn aperture. Stem hort with a daj 

 rough not scalv cortex. Capillitium hyaline, slender threads 

 few, strongly swollen. Spores 4-5 mic., smooth. 



20 



