INDEX AND GLOSSARY. 



169 



Lacinlate, slashed, with deep incisions. 

 Lactescent, containing lac, or milk. 

 Lacunous, with large depressions or pits. 

 Lacustrine, growing in lakes. 

 Lamina, the blade of a leaf, 271. 

 Lanceolate, lance-shaped. (Fig. 317.) 

 Lanuginous, woolly, 312. 

 Latex, the turbid or milky juice of plants. 

 La/tciferous tissue. (See Cienchyma, 386.) 

 Latin names of plants, 25, 26. 

 Layer. (See Stolon, 217.) 

 Leaf, 271 , etc. ; structure of, 431, etc. 

 Leaf -bud. 244, etc. 



leaflet, the pieces of a compound leaf, 301. 

 Leaf -stems. 222. 

 Legume, 1<>5. 



Lens, 7. [lens. 



L"iitimlate, shaped like a double cctvex 

 Libi-.r. the inner bark, 412. 

 HdUttf, 519. 

 Ligneous system, 404. 

 Ligitlate, strap-shaped, 103. 

 Llt.wle, the stipules of Grasses, 279. 

 Liliaceous flower, 100. 

 Limb, the border, 91. 

 Linear, long and narrow, 297. 

 Livid, clouded with bluish, brown, and gray. 

 Lobate. lobed, 294. 



iMculicidal, opening into the cell, 148. 

 Locusta, a spikelet of the Grasses. 

 Lament, a jointed legume, 165. 

 Lorate, thong-shaped. 

 Lunate, crescent-shaped. 

 Lyrate. pinnatifld, with the upper lobes 

 raucii larger than the lower, 293. 



Macros (in Greek compounds'), long. 

 Maculate, spotted or blotched. 

 Male (flowers), same as Staminate. 

 Jlarcesce/it, withering, but persistent, 109. 

 Marginal, belonging to the border. 

 Marq'mate, having the border different. 

 Medulla, pith. Medullary rays, 416. 

 Medullary sheath, 407. [lucid, 315. 



Membranaceous, membranous, thin and pel- 

 Merocarn, one of the carpels of a cremocarp 



of an Umbellifer. (Fig. 177.) 

 Micropyle, 177; same as Foramen. 

 Microscope, 8. 



Midrib, the central vein of a leaf, 282. 

 Mid-vein (used in this work), 283. 

 Mineral, 13. 



Mitriform, formed like a conical cap. 

 Monos (in Greek compounds), one only ; as, 

 Monadelphous, 120. 

 Monandrous, 1-stamened, 118. 

 Moniliform (roots), 204. 

 Monocarpic herbs, 42. 

 Monochlamydeous (flowers), 66. 

 Monocotyledons, 180, 284. 

 Monoecious, 67. 



Mondgynous, with one style, 124. 

 \foncpetala. (See Gamopetalse, 518.) 

 Monn/petalous, 90, 91. 

 \fon<)phyUous, 1-leaved. 

 Monosepalous, 90, 91. 

 Monstrous flowers, 334. 

 Vorj)hology, 10 ; of the leaf, 271. 

 Mucro, a sharp, small, abrupt poim. 

 Mucronate, 307. 

 Multi (in composition), many. 

 Multifid, cut half-way into many segments. 

 tfuricate, bearing short, hard points. 



M'triform, like a wall of mason-worK. 

 Muscology, a treatise on Mosses. 

 Muticous, pointless, not pointed. 

 Mycelium, the thallus of the Fungi, usually 

 concealed, 519. 



Naked seeds, 147. (Fig. 166.) 



Napiform (root), 203. 



Natant, swimming; underwater. 



Naturalized, growing spontaneously but 



not native. 

 Natural Orders, 439. 

 Natural System, 504, 506, etc. 

 Nectar, honey. Nectary, 77. 

 Nepenthes, 322. (Fig. 391.) [called. 



Nerve, the veins (282) are sometimes w; 

 Netted or net-veined. (See Reticulate, 284.) 

 Neutral flower, 68. [in Snowdrop. 



Nodding, nutant, the summit bent over, aa 

 Node, a joint of the stein. 220. 

 Nodous, knotted, large-jointed. 

 Nodulous (root), 204. 

 Nomenclature, 25. 533, &c. 

 Normal, according to rule, regular. 

 Nuciform, nut-like. 

 Nucleus, kernel (sc. ovule), 140, 172. 

 Nut. (See Glans, 155.) 



Ob (in composition), denotes inversion ; ae, 



Obcompressed, flattened back and front. 



Obcordate, 307. Oblanceolate, 290. 



Oblique, unequal-sided, as the leaves of Elm. 



Oblong, 289. Obovate, 290. Obtuse, 307. 



Obvolute (in aestivation), 258. 



Ochrea, sheathing stipules, 279. 



Ochroleucous, cream-color, pale yellow. 



Octo (in Greek composition), eight. 



Oclandrous, having 8 stamens. 



Octdgynous, having 8 styles. 



Offset, a short lateral shoot, 218. 



Oligos (in Greek composition), few ; a, 



Oligandria, with few stamens. 



Olivaceous, olive-green, brownish-green. 



Opaque, dull, not shining. 



Opercular, with a lid, 114. 



Opposite, two at a node, 215, 262. 



Orbicular, Orbiculate, circular, 289. 



Orchidaceous, 101. 



Organography, 19. 



Organic world, 12. 



Orthotropous (ovule), erect, 141. 



Osseous, oony, as the Peach-stone. 



Oval, 289. Ovate, 288. 



Ovaw, 125. 



Ovoiu, egg-shaped, as in fruits. 



Ovule, the young seed, 138. 



Paleee or Pales, 108, 349. 



Paleaceous, chaffy, having pales. 



Palmi-veined, 285. Palmate, 295. 



Panduriform, fiddle-shaped. 



Panicle, 360. Paniculate, panicled. 



Papilionaceous, 101. 



Pappus, the calyx of Composites, 104. 



Parallel-veined, 284. 



Pardphyses, jointed threads around the an 



theridia of Mosses. 

 Parasites, 209. 

 Parenchyma, 387. 

 Parietal, on the wall (paries), 133. 

 Parted, deeply divided into parts. 

 Patent, wide open. Patnlons. half open 

 Pcar-rthaped. ultovoid. larger above. 



