222 



INDEX 



Gonophore, 178 

 Grains, 193 



Fig. 122, p. 193 

 Grape fruit, Fig. 124, p. 195 



wild, Figs. 78, 81, pp. 137, 141 

 Grass, Fig. 91, p. 154 

 Ground-nut, roots, Fig. 72, p. 127 

 Gymnospermse, Fig. 59, p. 103 

 Gymnosperms, 21, 97 

 Gynandrous stamens, 185 



Fig. 115, p. 186 

 Gynrecium, 109, 177, 183, 185 

 Gynophore, 178 



HAIRY surface of stems, 144 

 Hamamelis virginiana, Figs. 93, 98, 



100, 134, pp. 157, 163, 165, 212 

 Hart's tongue fern, Fig. 39, p. 75 

 Hastate base of leaves, 156 



Fig. 92, p. 155 

 Haustoria, 130 

 Hawthorn, Fig. 78, p. 137 

 Hazelnut, beaked, Fig. 123, p. 194 

 Head, 174 



Fig. 106, p. 174 

 Heat sterilization, 41 

 Helianthus annuus, Fig. 122, p. 193 



divaricatus, Fig. 95, p. 160 



sp., Fig. 109, p. 179 

 Hellebore, green, Fig. 76, p. 135 

 Hemlock, Fig. 131, p. 203 



water, Fig. 108, p. 175 

 Hempseed, Fig. 122, p. 193 

 Henbane, Fig. 132, p. 205 

 Hepaticae, 56 



Figs. 28, 29, pp. 61, 62 

 Hercules club, Fig. 102, p. 167 

 Hesperidium, 196, 197 



Fig. 124, p. 195 

 Heterocysts, 26 

 Hicoria alba, Figs. 85, 102, 123, pp. 



147, 167, 194 

 Hickory, Fig. 123, p. 194 

 Hilum, 207 

 Hog peanut, Figs. 80, 130, pp. 140, 



Holdfast, 26 



Holly, Fig. 93, p. 157 



Hollyhock, Figs. 120, 129, pp. 190, 



201 

 Holophytic bacteria, 36 



1 Honduras sarsaparilla, roots, Fig, 



73, p. 128 



Honey locust, Fig. 105, p. 170 

 Hooke, Robert, 18 

 Hordeum satiyum, Fig. 122, p. 193 

 Horizontal rhizomes, 137 



roots, 130 

 Horse-chestnut bud, Fig. 86, p. 148 



Figs. 97, 100, 102, pp. 162, 165, 



167 

 Horsetails, 21, 86 



fertilization, 91 



gametophyte, 92 



habitat, 86 



morphology of sporophyte, 86 



reproduction, 90 



sporophyte, 92 



summary, 92 

 Host-plant, 51 

 Hyacinth, Fig. 77, p. 136 



water, Figs. 72, 103, pp. 127, 168 

 Hyacinthus orientalis, Fig. 77, p. 



136 



Hypanthium, 185 

 Hypericum sp., Figs. 110, 1136, pp. 



181, 183 

 Hypha, 46 



Hypocotyl, 105, 208, 209 



Hypogynous flowers, 185 



Fig. 116, p. 187 



ICELAND moss, Fig. 18, p. 50 

 Ilex opaca, Fig. 93, p. 157 

 Immunity, 39 

 Imperfect flower, 186 

 Incised margin of leaves, 157 



Fig. 93, p. 157 

 Incomplete flowers, 185 

 Indefinite stamens, 182 



Fig. 1346, p. 183 

 Indehiscent fruits, 192, 193, 196, 



197 

 Indeterminate inflorescence, 172, 



173 



I Indian tobacco, 1 19 

 Fig. 70, p. 120 

 flowers, 121 

 habitat, 119 

 morphology, 119 

 turnip, Fig. 77, p. 136 

 Indusium, 78 



