PLATE XLI. 



[Proc. Wash. Acad. Sci., Vol. II, PI. XVI.] 



Gymnomitrium obtusum (Lindb.) Pearson. 



FIG. i. Leaf, X3 2 



2. Cells from middle of leaf, X 2 9- 



3. Cells from apex of leaf, X 2 9- 



The figures are all drawn from Dr. Trelease's No. 1512, collected at Orca. 



Anastrophyllum reichardtii (Gottsche) Steph, 



FIG. 4. Part of stem with perianth, antical view, X 18. 



5. Part of stem with andrcecium, antical view, X l &- 



6-8. Leaves, X 18. 



9. Cells from apex of leaf, X 2 9- 



10. Cells from middle of leaf, X 2 9- 



11. Cells from near base of leaf, X 2 9- 



12. 13. J bracts, X 18. 



14. A part of the perianth-mouth, X 2 3- 



15. Transverse section of perianth in upper third, X3 2 - 



16. $ bract, X 16. 



17. Antical base of $ bract, X 3 2 - 



The figures are all drawn from specimens collected by Messrs. Coville and 

 Kearney at Columbia Fiord (No. 1389). 



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