542 



GLOSSARY AND INDEX. 



Okra, 398. 



Oleaceae, 459. 



Olei-aceous : of the nature of, or fit for, 

 pot-herbs. 



OUqo-, in Greek derivatives : few ; as 



Olifiamlrous : having few stamens. 



Oli(/ospi'nnous : few-seeded. 



Olive, Olive-oil, 460. 



Onagracete, 419. 



One-celled plants, 61. 



Onesided: see Secund and Unilateral. 



Oiiphoridia : the larger and compound 

 spores of Lycopodiacci3e. 



Opaque : the reverse of shining ; dull. 



Ope'rculate : furnished with a lid or 



Ope'rcuhim: a lid, such as that of the 

 spore-case of Mosses, 502. 



Ophioglossea;, 501. 



Opium, 389. 



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

 nate, that is, placed over against 

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

 stamen, &c. is said to be opposite 

 a petal, when it stands before it 

 (248), as in fig. 435 and 670. 



Oppositifolioiis : 0])i)0site a leaf, as the 

 tendrils of Vitis, fig. 767, and the 

 peduncles of Phytolacca, fig. 1086. 



Orange, 401. 



Orbicular : circular in outline. 



Orchidaccse, 488. 



Orders, 359. 



Ordinal : relating to orders. 



Organic constituents, 179, 180. 



Organization, 17. 



Or(jandr/raphi/, 14, 60. 



Organogeny : the development or for- 

 mation of organs, 268. 



Organs, 18. 



Organs of Reproduction, 70. 



Organs of Vegetation, 68, 70, 204. 



Orobanchaceas, 446. 



Orris-root, 491. 



Orthopldceous (embryo) : with incum- 

 bent and conduplicate cotyledons, 

 as in Mustard. 



OrthdtropoHS, or ortkdtropal ovule ; 298, 

 fig. 526. The term when applied 

 to the embryo is used as the con- 

 trary of antitropous, i. e. having 

 the radicle next the hilum, as in 

 an aiiatropous seed. 



Osage Orange, 475. 



Osmundaceie, or Osmundineae, 501. 



Osseous : of the texture of bone. 



Ouari Poison, 434. 



Oval: broadly elliptical ; 157, fig. 229. 



O'vary : the ovule-bearing portion of a 

 , pistil, 223, 287. 



Ooate : egg-shaped, or like the longitu- 

 dinal section of an egg, fig. 241. 



Ocoid: a solid ovate or oval. 



Ovulate, ovuled, or ovuliferous : bear- 

 , ing ovules. 



Ocule: an unimprcgnated seed or body 

 destined to become a seed, 22.3, 

 297. 

 Oxalidacese, 404. 



Palate : an inward projection of the 

 lower lip of a personate corolla ; 

 278, fig. 459, 460. 



Pdlea, or jndtt : a chaff ; one of the 

 bracts on the receptacle of C'om- 

 positai, 215, 435; one of the inner 

 bracts or glumes of Grasses, 497. 



Paleaceous : chatF-like, or bearing chaff. 



Pult'ula : diminutive of palea; one of 

 the minute innermost scales of the 

 flower of Grasses. See Squa- 

 mella. 



Palmre (Palms), 484. 



Palnuite : lobed or divided so that the 

 sinuses all point to the apex of the 

 petiole, cither moderately, as in a 

 Maple-leaf, or so as to make the 

 leaf compound, as in Horsechest- 

 luit, wlien it is the same as Digitate ; 

 161, 16.3, 164. 



PalmatpJij lobed, cleft, parted, &c., 161. 



Palmatchj 2 - plurifoliolate, 164. 



Pcdmatelji veined, 156. 



Pidmdtijid: palmately cleft ; fig. 265. 



Palmdtisect : palmately divided ; fig. 

 267. 



Paludose, palustrine : inhabiting marshes. 



Pandanacere, 485. 



Pdndurate, or panduriform : same as 

 fiddle-shaped. 



Panicle : a raceme, branched irregular- 

 ly; 216, fig. 326. 



Panicled, or paniculate : arranged in a 

 panicle. 



Papaveraceaj, 388. 



Papaw, 383, 422. 



Papayaceae, 422. 



Papery : of the consistence of letter- 

 paper. 



Papilionacese, 413. 



Papilionaceous: butterfly-like, 253. 



Papillose, or papillate: licaring small, 

 soft projections (papillie, nipples 

 or pimples). 



Pappose, or pa ppiferous : bearing a 



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



Papyraceous : papery. 



Papyrus, 496. 



Paracorolla : an appendage or duplicate 

 of a corolla, such as was once 

 called a nectary. 



Parallel-veined or nerved, 154. 



Pa/-d/)//^.s/s ; jointed thread-like bodies 

 accompanying the pistillidia of 

 Mosses. 



