EXPLANATION OF THE PLATES. 



1. Zea Mays (= : a. a beautiful 

 topaz colour, transparent, pris- 

 matic, with 4 sides, the top 

 larger than the bottom. b. from 

 the top looking through the 

 prism. 



2. Tiitieum saf,ivum (~) ; 6-5- 

 sided, with hollows in each side 

 and the ends. 



3. Alopecurus P ra ten$is(~^ : a. si- 



milar, but narrower, b. the bot- 

 tom. c. the top. 



4. Festuca ovina (^) similar. 

 b. top. 



6. Panicum 



globular, with three pleats, and 

 hollows under each pleat, b. 

 under water clouded. 



CYPERACTLE. 



6. Carex panicea ( J: a. 4-sided, 



with hollows on each side. 

 6. pyramidal, c. oval ; oval- 

 clouded. 



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



gated pyramid. b. parallel 

 sides, with pores in each side. 

 c. withered form. 



8. Cyperus alternate (|=|) : 

 3-cornered. b. looking down. 



a. 



PONTEDERACE-S. 



9. Pontederta dilatata.Bus. (-M : 



^oOOO/ 



eye-shaped, with a single pleat, 

 somewhat rough numerous ra- 

 phides in the anther cell. 



JTJNCACE.E. 



10. Juncu* effusus, L. (~) ' 4- 



6-sided, prismatic, smaller at 

 ends, with hollows on each side. 

 b. swelling in oil. c. globular- 

 clouded. 



11. Xerotes langifolia (): a. 3- 



\ 6000 ' 



cornered, b. c. in vinegar rough 

 and globular. 



12. Dianetta strumosa (-^-): a. 8- 



* 600u / 



cornered, b. in oil. 



13. Asparagus qfficinalis ( - ): a. 



> 6000 ' 



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

 gar. d. in water globular oil-dif- 

 fused. 



ASTETVRM. 



14. Astelia Cunnaghamii, Hook. 



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

 water. 



SMILACEJS. 



15. Philesia buxifolia, Lam. (^) 



echinulate globular; no pores 

 found ; no change in oil or 

 water. 



16. Trillium erectum (^): a. 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. 



