296 



INDEX. 



Willow, reappearance of stamens, 85 ; 

 hermaphrodite flower, 96 ; pistil- 

 lody of andrcecium, 190; androgy- 

 nous inflorescence, 190-191 ; sta- 

 minody of carpels, 207-208 ; ad- 

 ventitious flowers, 27 ; proli- 

 ferated flower, 270 ; virescent bract 

 and pistil, 270. 



"Willow-herb, superior ovary, 111. 



« Wing "-petals, 148-149. 



Wolff, C. F., on origin of flower, 121 ; 

 on nature of stamen, 161 ; of 

 carpel, 195. 



Wood-anemone, phyllody of calyx, 

 127. 



Xanthosoma, leaf-enations, 168. 



Yellow-cress, extra carpels, 93. 

 Yellow-rocket, 2-merous virescent 

 flowers, 246. 



Zamia, extra ovule, 98. 

 Zea, ancestor of, 58 ; forked coleop- 

 tile, 275. 



Zingiberacefe, staminodes, 84 ; sta- 



minody of labellum, 155. 

 Zygomorphy, in calyx, 126, 134-135 ; 



in disk-florets, 142 ; in corolla, 148, 



150-153, 181. 

 Zygopetalum, staminody of petals, 



160. 



Erratum. 



P. 124, line 4, for Dionoca read Dion&a. 



Addenda to Erratum in Yol. I. 

 P. 37, line 4, for 4 read 1. 



Plate IV, fig. 3, b and c are of Marchantia, not Lunularia. 



ADLARD AND SON AND WEST NEWMAN, LONDON AND DORKING. 



