EXPLANATION OF PLATES. 



MNIUM BO STRATUM. 



Fig. 1. Diagram of a leaf to show origin of rhizoids and buds. X 17. 



„ 2. Cross section of a portion of a leaf showing the origin of a bud 

 from a leaf cell, together with the previously produced rhizoid. 

 x 195. 



, 3. Cross section of a portion of a leaf showing a bud at a more 

 advanced stage. x 195. 



, 4. Portion of a leaf with rhizoids and a bud produced as a lateral 

 brauch of a rhizoid. x 80. 



„ 5. Rhizoid (r) with protonema branches (p) which bave been pro- 

 duced after exposure to light. x 195. 



„ 6. Rhizoid (r) with protonema branches (p) showing the origin of 

 a bud from a cell of the main rhizoid axis , and homologous 

 with the lateral protonema branches. x 330. 



- 7. Same as 6 , only the bud formation has occurred from one of 

 the protonema branches direct. x 330. 



FUNARIA HYGROMETRICA. 



„ 8. Protonema and bud grown from the receptacle. x 195. 



„ 9. Portion of a protonema as grown from a leaf in the dark. 



x 195. 

 , 10. Paraphysis, showing the origin of a protonema from the basel 



cell, x 80. 

 „ 11. Proximal portion of the same on a larger scale. x 195. 

 „ 12. New shoot, rhizoids, and protonema growing from a defoliated 



stem. — 



BRYUM C APILL ARE. 



B 13. Several cells from the leaf base showing the origin of protonema 



with the formation of a bud. x 195. 

 , 14. Protonema and bud grown from the leaf. x 195. 

 , 15. Bud and protonema grown from the leaf. x 80. 



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