146 EXPLANATION OF PLATES, 



PLATE 13. 



CALYX. 



Fig. 1. Perianth. Ex. Pink. p. 46. 



2 & 3. Ament. Ex. Willow, p. 48. 



2. The barren flower, b. A floret magnified consisting 

 of 2 stamens and a scale which protects them. 



3 The fertile flower, a. A magnified floret, consisting 

 of a pistil and a scale which protects it. 



4. Ament of the Hazel, a. The barren, and b. The fer- 

 tile flowers. 



5. Spathe. Ex. Wild Turnip, Arum. p. 48. 



a. A stamen-bearing, and b* A pistil-bearing spadix. 



6. a. The spathe of the Narcissus. 



b. Its Nectary. 



7. The Glume. 



a. The valves. 



b. The awns. p. 49. 



8. b. The Calyptra. Ex. Polytricum. p. 49. 



COROLLA. 



9. Bell-shaped, p. 51. 



10. Funnel-shaped, p. 51. 



a. The tube. 



b. The limb. 



11. Salver-shaped, p. 51. 



12. Wheel-shaped, p. 51. 



13. Ilingent, showing the stamens separated, p. 51. 



. The upper lip or helmet. 

 b. The lowar lip or beard. 



14. Personate. Ex. Antirrhinum. 



a. The palate. 



b. The nectary. 



15. Cruciform. 



a. b. One of the petals separated, a its claw, b its 

 border. 



c. The stamens separated. 



