INDEX. 



5C3 



Hamamelis (ham-a-me'lis), 332 



Hawkweed, 280 



Head, 227 



Heliotropism (he-li-ot'ro-pism), ill 



Hickory, opening buds, 333 



Hieracium (hi-er-a'ci-um), 280 



Hilum, 207, 210 



Hippocastanaceae (hip-po-cas-tan-a'- 



ce-ae), 264 

 Hjrse chestnut, 264 

 Horsetails, 174-179 

 Houstonia, 223 



Huckleberry (whortleberry), 274, 275 

 Hygrophytes (hy'gro-phytes), 288, 



289 



Hypha, 125 



Hypocotyl (hy-po-cot'yl), 211 

 Hypogynous,' 222, 223 



Impatiens, 294 



Indian turnip, 243-246 



Inflorescence, 225-228 



Insectivorus plants, 89, 91 



Insertion, 221 



Integument, 206, 208 



Irregular, 222 



Irritability (movement due to), 107- 



"3 

 Isoetes (i so'e-tes). 180-183, 3 2 5 



Jack-in-the-pulpit, 213, 243-246 



Kalmia (kal'mi-a), 331 

 Kinship, 225 



Labiatse (la-bi-a'tae), 275 



Lactuca (lac-tu'ca), 295, 296 



Lady slipper, 240-242 



Lamium, 224, 275 



Leaf, 219 ; structure of, 56-59 



Legume, 230 



Leguminosae (leg-u-min-o'sae), 269 



Leucoplast (leu'co-plast), 77 



Lichen, 311, 313 



Ligule, 278 



Liliaceae (lil-i-a'ce-ae), 234, 240 



Liliiflorae (lil-i-i-flo'rae), 236 



Lilium, 233 



Liverworts, 139-148 



Ix)culicidal, 230 



Lodicule, 247, 248 



Macrosporangia, macrosporangium 



(mac-ro-spor-an gium), 198, 201 

 Macrospores (mac'ro-spores), isoetes, 



182; pine, 188 



Marchantia (mar-chan'ti-a), 139-148 

 Marsh marigold, 256, 257 

 Mentha (men'tha), 275 

 Mesocarp, 230 



Micropyle (mi'cro-pyle), 209, 210 

 Microsomes (mi'cro-somes), 25 

 Microspores (mi'cro-spores), isoetes, 



182; pine, 188; trillium, 197 

 Mildew (willow), 134-138 

 Milkweed, 296, 297 

 Mint family, 275 

 Mnium (mni'um), 150-154 

 Monochasium (mon-o-cha'si-um), 228 

 Monocoty ledones ( mon-o - cot-y - led 'o- 



nes), 213, 216, 234, 235, 236-249 

 Morning glory, 221 

 Mosses, 149-154 

 Mucor, 24-26, 125-127 

 Mushroom, 85-87 

 Mustard family, 259 

 Mycelium (my-ce'li-um), 25, 84-89, 



125, 131, 134 

 Myrtiflorse (myr-ti-flo'rae), 271 



Nepeta (nep'e ta), 276 

 Nettle (dead), 224, 275 

 Nitrogen (how obtained by clovers, 



etc.), 9 2 > 93 

 Nucellus, 208, 210, 212 

 Nucleus, 21 

 Nut, 230 

 Nutrition, 84-93 



Oak family, 252 



CEnothera (oe-no'the-ra), 271, 272 

 Onoclea (on-o-cle'a), 159 

 Onograceae (on-o-gra'ce-ae), 271 

 Oogonium(o-o-go'ni-um), 122, 123 

 Orchidaceae (or-chid-a'ce-ae), 240- 



242 



Order, 233-235 



Orthotropous (or-thot'ro-pous), 206 

 Osmose, 30-32 

 Osmotic pressure, 50, 51 

 Ovule, 191, 198, 201, 205-207, 210 

 Oxygen, 71-73, 82, 83, 94-101 



Palm (cocoanut), 243 

 Panicle, 227 



