542 



GLOSSARY AND INDEX. 



Okra, 39S. 



Oleaceffi, 459. 



Oleraceous : of the nature of, or fit for, 

 pot-herbs. 



Ol'nio-, in Greek derivatives : f?w ; as 



Olifjandious: having few stamens. 



Otiqospermous : few-seeded. 



Oii've, Olive-oil, 4G0. 



Onagraceoc, 419. 



One-celled plants, 61. 



One-sided: see Sccund and Unilateral. 



Oophorida: the larger and compound 

 spores of Lycopodiaceas. 



Opaque: the reverse of shining ; dull. 



Ope'iculate: furnished with a lid or 



Operculum: a lid. such as that of the 

 spore-ease of Mosses, 502. 



Ophioglossece, 501. 



Opium, 3S9. 



Opposite (leaves. &c.) : opposed to alter- 

 nate, that is, placed over against 

 each other, 78,97, 133, 141. A 

 stamen, &c. is said to he opposite 

 a petal, when it stands before it 

 (248), as in fig 435 and G70. 



Oppositifo'.ious : opposite a leaf, as the 

 tendrils of Viis, fig. 7G7, and the 

 peduncles of Phytolacca, fig. 10SG. 



Orange, 401. 



Orbicular : circular in outline. 



Orehidaccae, 488. 



Ordors, 359. 



Ordinal: relating to orders. 



Organic constituents, 179, 180. 



Organization, 17. 



Or/and p-ap/ig, 14, GO. 



Organogeny : the development or for- 

 mation of organs, 2G3. 



Organs, 18. 



Organs of Reproduction, 70. 



Oi'f/ans of Vegetation, 68, 70, 204. 



Oiohanchacca;, 446. 



Orris-root, 491. 



Ortliopldceous (embryo) : with incum- 

 bent and conduplicate cotyledons, 

 as in Mustard. 



Ortlwlropons, or oi thdtropal ovule ; 298, 

 ' fig. 526. The term when applied 

 to the embryo is used as the con- 

 trary of antitropous, i c having 

 the radicle next the hilum, as in 

 an anatropous seed. 



Osage Orange, 475. 



Osmundaceaj, or Osmundinca?, 501. 



Osseous : of the texture of bone. 



Ouaii Poison, 434. 



Oral: broadly elliptical ; 157, fig. 229. 



O'carij : the ovule-hearing portion of a 

 , pistil, 223, 287. 



Ovale : egg-shaped, or like the longitu- 

 dinal section of an egg, fig. 241. 



Ocoid : a solid ovate or o\al. 



Ovulate, ovuled, or ovullferous : bear- 

 , ing ovules. 

 Ovule: an unimpregnated seed or body 



destined to become a seed, 223, 



297. 

 Oxalidacca:, 404. 



Palate : an inward projection of the 

 lower lip of a personate corolla; 

 278. fig. 459, 460. 



Pdlea, or pah t : a chaff ; one of the 

 bracts on the receptacle of Coin- 

 positaj, 215, 435 ; one of the inner 

 bracts or glumes of Grasses, 497. 



Paleaceous : chaff-like, or bearing chaff. 



Puleola: diminutive of palea; one of 

 the minute innermost scales of the 

 flower of Grasses. See Squa- 

 mella. 



Palmu; (Palms), 484. 



Palmate : lohed or divided so that the 

 sinuses all point to the apex of the 

 petiole, either moderately, as in a 

 Maple-leaf, or so as to make tho 

 leaf compound, as in Horsechcst- 

 nut, when it is the same as Digitate ; 

 161, 1G3, 164. 



Palmateli/ lohed, cleft, parted, &c , 1G1. 



Palmateb) 2 - plurifoliolate, 164. 



Palmate/// itemed, 156. 



Palmdliful : palmately cleft ; fig. 265. 



Palmdlisect : palmately divided ; fig. 

 267. 



Paludose, palusti ine: inhabiting marshes. 



Pandanaccaj, 485. 



Pdnduiate, or pandiii ijbrm : same as 

 fiddle-shaped. 



Panicle : a raceme, branched irregular- 

 ly ; 216, fig. 326. 



Panicled, or paniculate: arranged in a 

 panicle. 



Papaveraceaj, 388. 



Pa paw. 383, 422. 



Papayaceas, 422. 



Papeuj : of the consistence of letter- 

 paper. 



Papilionaccrc, 413. 



Papilionaceous: butterfly-like, 253. 



Papillose, or papillate: beating small, 

 soft projections (papillae, nipples 

 or pimples). 



Pappose, or pappiferous : bearing a 



Pappus (thistle-down), 260, 314, 435. 



Papyraceous : papery. 



Papvrus, 496 



Paracorolla : an appendage or duplicate 

 of a corolla, such as was once 

 called a nectary. 



Parallel-veined or nerved, 154. 



Pardjihijsis : jointed thread-like bodies 

 accompanying the pistiilidia of 

 Mosses. 



