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 J 8 

 6-8. Leaves, X 18. 

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

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

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

 12, 13. 9 bracts, X 18- 



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



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



16. $ bract, X *6. 



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). 



[3H] (368) 



