INDEX. 



313 



Mayflower, 158. 



Meadow Rue, 61. 



Medeola, 250. 



Medlar, 117. 



Medulla, pith ; Medullary rays, 107, 189. 



Membranous, thin, like a membrane. 



Mentha, 182. 



Merocarp, one of the carpels of a Cremo- 

 carp, 133. 



Metamorphosis, a transformation. 



Midrib (obsolete) the same as midvein. 



Mid vein, the central vein of a leaf, 21. 



Milkweed, 195. 



Mitriform, formed like a conical cap. 



Mimosa, 124. 



Modified Leaf, 120. 



Moulds, 27. 



Monos (in Greek compounds), one ; as 



Monadelphous, stamens in one set, 



Monandrous, with one stamen. [91. 



Monkshood, 61. 



Monocarpic herbs, 42. 



Monocotylddonous, with one seed- 

 lobe, 267. 



Monoecious, with 2 kinds of flowers to- 

 gether on the same plant, 214, 231. 



Mon6gynous, with one pistil. 



Monopetalous. See Garnopetalous. 



Moosewood, 192. 



Morning Glory, 91, 118, 182. 



Mosses, 16. 



Mountain Ash, 117. 



Mouse-ear Everlasting, 137. 



Moving Plant, 123. 



Mucronate, ending with a sharp, ab- 

 rupt point (mucro), 244. 



Muhlenburg, Henry, 50. 



Mulberry, 116. 



Mullein, 174, 177^3. 



Multi (in composition), many ; as 



Multifid, cut half-way into many seg- 

 ments. 



Muricate, bearing short, hard points. 



Muriforrn, like a wall of mason-work. 



Muscology, a treatise on Mosses. 



Mushroom, 27. 



Mustard, 102. 



Mustard, Hedge, 185. 



Mycelium, the first, underground growth 

 (thallus) of the Fungi or Mushrooms. 



Naked receptacle, without chaff, 139. 



Naked seeds, 21(5. 



Narcissus, 261. 



Napiform (root), turnip-shaped. *. 



Nasturtian, 95. <TJ 



Natant, swimming ; underwater, ^jk 



Naturalized and Foreign Plants, <r 



143,176; 'V 



Nectar, the sweet secretion of flowers. 

 Nectarine, 116. ^_^ 



Nectary, an appendage secreting ( ) 



nectar, 47. \\lljj 



Nepeta, 177. \f 



Nepenthes, 161. 

 Nettle, 104. 

 Net-veined, same as reticulate-veined, 55. 



Neutral flower, one with neither stamens 



nor pistils, as in Hydrangea. 

 New Zealand Flax, 258. 

 Nightshade, 131. 

 Nipplewort, 91. 

 Node, nodus, a joint, 78, 85. 

 Nodding (flower), inclined, like the Ery- 



thromum. 

 Nomenclature, the rules for naming gen era 



and species. 



Normal, according to rule. 

 Norway Spruce, 218, 222. 

 Nucleus, the kernel (of ovule or seed). 

 Nut, same as glans. 

 Nutgalls, 213. 

 Nutgrass, 268. 



O. 



Oak, 35, 207. 



Oats, 279. Wild, 251. 



Ob (in composition) denotes in- 

 vention as 



Obcordate, inversely heart- 

 shaped. 



Oblanceolate, inversely lance-shaped, 47. 



Oblique, unequal-sided, as an Elm leaf. 



Oblong, a broadly linear form. 



Obovate, inversely ovate, 47. 



Obsolete, past, or out of use ; 

 undeveloped, 133. 



Obtuse, blunt or round at 

 apex, 35. 



Obvolute, half equitant, each 

 leaf in the bud embracing 

 only one margin of the other. 



Ochreae, sheathing stipules, 200. 



Ochroleucous, cream-colored, pale 

 yellow. 



Octo (in composition), eight ; as 



Octandrous, with 8 stamens. 



CEnothera, 125. 



Officinal, for sale in the shops, 171. 



Officinal Speedwell, 170, 176. 



Offset, a short lateral shoot. 



Onagraceae, 130. 



Onion, 258. 



Operculum, the lid of a Moss, 14. 



Opium Poppy, 68, 70. 



Opposing (petals), petals and 

 stamens opposite, 41, 167. 



Opposite (leaves), two at a 

 node. 78. 



Orbicular, circular, 152. 



Orchard Grass, 274. 



Orchidacese, 239. 



Orchidaceous flower, 6- 

 parted, 1-lipped. 



Orchis, 233. 



Organized, with mutually-re- 

 lated organs, 13. 



Orontium, 232. 



Orris-root, 246. 



Orth&tropous (ovule), erect, not 

 bent, 214. 



Osmorhiza, 131. 



Osmund Fern, 24. 



Osseous, bony, like the Peach stone. 



Ostrya, 214. 



