160 ICONES MUSCORUM. 



Black Mountain, South Carolina, and the Adirondack 

 Mountains, New York, Lesquereux. Not uncommon in 

 Europe, but seldom in fruit. 



Hypnum brevirostre, Ehrh., to which this species is closely 

 related, is a coarser and more rigid plant, with an irregular fas- 

 ciculate ramification and longer terete flexuous branchlets : the 

 leaves are cordate-ovate, acuminate, more crowded and spread- 

 ing, slightly serrulate above, and furnished at the base with two 

 short costae : the paraphyllia are larger, and their divisions more 

 compound. 



TAB. 102. — Hypnum Oakesii. 



1, 2. Plants f'eminea? et masculae naturali magniludine. 



3. Pars ramuli. 



4, 5. Folia ejusdem. 



G, 7. Rete basilare et apicale folii. 

 8, 9, 10. Sectiones transversales folii. 



11. Paraphyllia. 



12. Perk-liu'tium. 



13. Folium ejusdem. 



14. Capsulse. 



1 "). Particula peristomii. 



16. Flos masculus. 



17, 18. Folia porigonialia. 



i!». Antheridium cum paraphysi. 



