' Operculum, 245, 304. 
~ Orbicular, gs. 
~. Orchidales, 348 
— Oval, 95. 
Ovate, 95. 
Overgrowth, 46. 
-Ovyule, 144, 183. 
es . .Glossarial Index. 
OCH 
Saenren:* 90° 
_ CEdogoniez, 259. 
idium, 228, 274. 
Oil, 24, 176, 384 
Oil: Piand, 53.” 
Oil-passage, 52 
Oleacez, 387. 
Onagracez, 399. 
Onygenei, 282 
Oogonium, 251, 270. 
Oolite, 428 
Oosphere, 178, 183, 192, 251, 270, 299. 
Fig. 385, 422 
Oospore, 250, 270, 271. 
Open bundle. 64 
Fig. 371 11., 385 
Fig. 376, 377 
Fig. 247, 299 
Fig. 330 
Fig. 385, 403 
Fig. 449 
Fig. 433, 435 
Ophioglossacez, 245, 322. Fig. 446 
Opium, 411 
Opposite, 76, 87, 158, 409. Fig. 138, 
150, 341 
Fig. 155 
Orchidez, 348. Fig. 119, 120, 468 
Order, 238 
Organic substances, 1 
.Orobanchacez, 232, 382. as 346 
» Orthoplozic, 157. Fig. 338 
Orthosperme, 398. Fig. 510 
Orthotropous, 145,336. Fig. 300 1., 359 
Oscillatoriee (a group of filamentous 
Algz, distinguished by the peculiar 
oscillating motion of the filaments), 255 
Osmose, 160, 163,176. Fig. 344 
Osmundacez, 316. Fig. 440 II. 
Fig. 154 
Ovary, 142:- Fig. 287, 290-292, 359, 
481 V., 524 II. 
Fig. 168 
Fig. 68 
Fig. 297, 298, 300, 359, 
360, 458 
Oxygen, 162, 167 
/PALOPHYTOLOGY, 2, 6, 417 
Palzozoic rocks, 420 
‘Palate, 130. Fig. 249 
Paleaceous, 118, 390. Fig. 218 
Palez, 61, 86, 138, E34, 302, -2He, 347. 
Fig. 461, 463 
Palmz, 351, 451, 452- 
471 
Palmales, 351 
Palmate, 99. Fig. 181 
Palmate tuber, Fig. 120 
* Palmatifid, 99 
Palmatilobed, 100 
Palmatipartite, 99. we Be 
Palmatisect, 99. Fig. 1 
Palmellacez (a piniy. ro Unicellular 
Algz), Fig. 59 
Palmet, 445 
Palminerved, 105. 
Pampas region, 454 
Fig. 95, 305, 469, 
Fig. 181, 191 
-Peridium, 264. 
PER 
Pandanacez, 355 
Panicle, 122 
‘ Pantanals,’ 453 
Papaveracez, 411. 
526 
Papilionaceze, 4oo. Fig. 97-99, 146, 253, 
276, 288, 316, 324, 514-516 
Pe corolla, 131, 
253, 5 
Papilla, ne Fig. 84, 295, 449 1. 
Papillose, 144. Fig. 295 
Pappus, 127, 390. 
Fig. 233, 294; 313, 
502 
Paracorolla. See Corona 
Parallel-veined, 105, 106. Fig. 108 
_Paraphyses, 268, 288, 304. Fig. 399 1. 
’ Parasite, 165, 225, 231, 274, 280. op 
346, 347, 374, 378 
aratonic curvature, 207, 214 
Parenchyma, 39, 264, 366. .Fig. 25, ke, 
60-63, 67, 86, 93, 426, 472, 475-477 
Parietal, 145, 411. Fig. 296, 326, 468 111., 
526 I. 
Parietales, 411 
Paripinnate, ror. Fig. 185. 
Passage, 52. Fig. 78, 79 
Passifloraceze, 399 
Passiflorales, 399 
Pasteur’s solution, 278 
Payer, 6 
Peat, 424 
Peat-moss, 424 
Pedate, tor: Wigs 18g 
Pedatinerved, 105. Fig. 183. 
Pedicel, 116. . Fig. 225 
Pedicellate, 110. Fig. 200 
Peduncle, 116. Fig. 221, 225 
Peloria, 22 
Peltate (shield- shaped, and attached. by 
the centre), 63, 97, 110, 144. Fig. 91, 
162, 204, 313, 439 I., 443 I. 
Peltinerved, 105. Fig. 162 
Pendulous, 145 
Penicillate, 144. Fig. 291 
Penicillium, 7,279. Fig t 
Pepo, 153 
Perennial, 76 
Perfect, 112 
Perfoliate, 93. Fig. 149 
Perforated, 107. Fig. 194 
Perianth, 110, 111, 133. 
261 
Periblem, 56 
Pericarp, 148. 
519 
Perichztium, 300 
Periderm, 44. Fig. 67 
Fig. 304 
Fig. 427 Iv. 
Fig. 97, 305, 316, 326, 
Perigonium, 304. 
Perigynium, 134 
Perigynous, 115, 140. 
256 
Periodical movements, 206, 210 
Peripheric, 158. Fig. 340, 342 
- 
Fig. 207, 208, 
4oo. Fig. 
Fig. 235-239, 499,. 
Fig. 215, 258— 
