INDEX. 



349 



Figwort (Scrophularia), the genus of 130 



Fir-tree (Abies), (he genus of 197 



Flax (Linum), its generic character . ... 82 



Fleabane (Erigeron), the genus of .... 170 



Canadian (Ceenotus), the genus of . . . 169 



Flowering Fern (Osmunda), the genus of 211 



Flowers double, or monstrous, how produced . • 6 



Fluid components of plants ; their office . . . 241 



Fools' Parsley (^Etbusa), the generic trait ... 20 

 Foxglove American (Gerardia), the genus and some of the 



species 131 



Fox-tail grass (Alopecurus), how distinguished . . 53 

 Fructification, its definition and application in the Lily 



and Tulip ........ 2 



Frustranea order of Syngenesia 173 



Fumitory (Fumaria), how distinguished from Corydalis 149 



G. 



Gaura, how distinguished from (Enothera and Epilobium 



or the Willow-herb 96 



Gentian (Gentiana), the genus of 78 



Geranium Greenhouse (Pelargonium), the genus . 143 



common (Geranium), the genus of . . ib. 



Glands external, of Botanists, their peculiarities . . 235 

 Glandular Texture, scarcely demonstrable ; their probable 



effect, in the vegetable system ; the borders of the 

 vessels supposed to possess a glandular function . 234 

 Globe Thistle (Echinops), the genus of ... . 177 

 Golden-rod (Solidago), the genus of ... . 171 

 Gonolobus, how distinguished from Asclepias . . 78 



Gourd, Pumpkin, (Cucurbita), the genus of . . 200 



Grasses (Gramine^:), the character of the tribe 48, 50-52 



Green-Briar (Smilax), the genus of ... . 204 

 Ground-cherry (Physalis), the genus of . . .72 



Ground-ivy (Glechoma), its generic character . 15 & 127 

 Guelder-rose (Viburnum), the genus .... 81 



Gymnospermia order of Didynaniia .... 126 

 Gynandria Class, its natural and artificial character 177-181 



H. 



Hazlenut (Corylus), the genus of 194 



Hawthorn (Crataegus), the genus of . . . 113 



Helenium, the genus of 172 



Hemp-Agrimony (Eupatorium), genus and species 166, 167 



Hemp (Cannabis), the genus of 203 



Henbane (Hyoscyamus), the genus of ... 73 



Heptandria Class 94 



Herd's-grass (Phleum), its generic character . . 53 



30* 



