1S6 EXPLANATION OF PLATES. 



PLATE S. 



FOLIATION. p. 23. 



These figures represent sections of buds. 

 Fig. I. A convolute bud* 



2. Involute. 



S. Revolute. 



4. Conduplicate. 



5. Ob volute. 



6. Equitant. 

 7. Plicate. 



8. Imbricate. 



9. Circinal. 



FRUCTIFICATION OF THE FERNS. p. 73. 



10. A Fern leaf having its fruit covered with in- 



volucres, a. One of the involucres or 

 patches magnified. 



11. A capsule of the same. a. Its ring. 6. The 



hemispherical valves. 



FRUCTIFICATION OF THE MOSSES. 73. 



12. AMoss. a. The Perichsetiurn, as in the genus 



Hypmnn* b. The Peduncle, c. The Fruit. 



13. A capsule of a species of Hypnum magnified. 



14. The same with the Calyptra b. separated. 



15. The same with the Lid (operculum) b. sepa- 



rated, exposing the fringe, a. 



16. The same with the exteriour row of the 



fringe a. expanded, the interiour with the 

 points gathered in the centre* 



ANATOMY OF THE VEGETABLE BODY. p. 102. 



17. A section of the branch of an Ash magnified. 



, The bark. /, The wood, b, The sap-ves- 

 sels, c, The concentric layers, d, The sil- 

 ver grain, e, The pith. 



18. The section of its natural size* 



19. A tube or sap-vessel with its coat variously 



perforated and slitted in a spiral manner, 

 0. A simple spiral tube. 



