EXPLANATION OF THE PLATES. 



1. Zea Mays (~^^ : . a beautiful 

 topaz colour, transparent, pris- 

 matic, with 4 sides, the top 

 larger than the bottom. 6. from 

 the top looking through the 

 prism. 



2. Triticum saiivum (~) ; 6-5- 

 sided, with hollows in each side 

 and the ends. 



3. Alopecurus P <fl ^ eW5 ^(^) : a - 8 ^~ 



milar, but narrower, b. the bot- 

 tom, c. the top. 



4. Festuca ovina (^). similar. 

 b. top. 



6. Panicum plicatum (^^); nearly 



globular, with three pleats, and 

 hollows under each pleat, b. 

 under water clouded. 



CYPEKACE^:. 



6. Carex panicea (^5): 4-sided, 



with hollows on each side. 



b. pyramidal, c. oval ; oval- 

 clouded. 



7. C. arenaria (|=J-|J) : a. an elon- 

 gated pyramid. b. parallel 

 sides, with pores in each side. 



c. withered form. 



8. Cyperus alternatus (|^) : 

 3-cornered. 6. looking down. 



PONTEDERACE.ZE. 



9. Pontederia dilatata,Bu8.(~) ; 



eye-shaped, with a single pleat, 

 somewhat rough numerous ra- 

 phides in the anther cell. 



JTJNCACEJE. 



10. Juncus efusus, L. (^) : a. 4- 



6-sided, prismatic, smaller at 

 ends, with hollows on each side. 

 b. swelling in oil. c. globular- 

 clouded. 



11. Xerotes longifolia (-~~) : a. 3- 



cornered. b. c. in vinegar rough 

 and globular. 



ASPAEAGE^;. 



12. Dianella strumosa ( - ^: a. 8- 



\600u / 



cornered, b. in oil. 



13. AsparagiLS officinnlis (^^): 



eye-shaped, b. in oil. c. in vine- 

 gar. d. in water globular oil-dif- 

 fused. 



14. Astelia Cunnaghamii, Hook. 



b. in oil. c. in vinegar, d. in 

 water. 



15. Philesia buxifolia, Lam. (^~) 



echinulate globular; no pores 

 found ; no change in oil or 

 water. 



16. Trillium erectum (^):. oval 



or nearly globular - opaque. 

 b. c. under oil four or five 

 facets with a pore on each side. 

 d. in water globular clouded ; 

 with large raphides in the 

 anther cell. 



