INDEX AND VOCABULARY. 
fTodes, 40, 107. 
JVo'dose. Having numerous joints or nodes. 
JVo'men. A name. 
JVor'mal law respecting the whorls of the flow- 
er, 66. 
position of stamens and pistils, 77. 
situation of the bud, 46. 
process of development, 104, 108. 
f^otch'ed. See Crenate. 
jsTiicamenta'ccojis. Producing nuts. 
JVu'cleun. Nut, or kernel, 99. 
J^u'cides. Little nuts. 
JVu'dus. See JVaked. 
JVrt«, JVux. Nucleus. 
J\rn'tant. Nodding, pendulous. 
JSTiitri'tion, 140. 
organs of, 112. 
J\rt/ctan'thes^ 68, a. 
M/mph'tca. 231, Fig. 173. 
Nymph^a ck^, 407. 
Nyssa'ce^, 511. 
Ob. A prefix which denotes the inversion of the 
usual position ; as, obcordate, which signifies 
inversely cordate. 
Obcon'ic. Conic, with the point downward. 
Obcor'date. Heart-shaped, with the point down- 
ward. 
Oblan'ccolate. Lanceolate, with the base the nar- 
rowest. 
Oblique'. A position between horizontal and 
vertical. 
Ob' long. Longer than wide. 
Obo'vate. Ovate, with the narrower end toward 
the stem, or place of insertion. 
Ob'solete. Indistinct. 
Obtuse'. Blunt, rounded, not acute. 
Ochra^eous. Color of yellow ochre. 
O'chrea^ 201. 
O'dor of flowers, 74. 
Odora'tus. Scented, odorous. 
Office of the leaf, 50, 60, 61. 
of the pollen, 81, b. 
OJficina'lis. Usually the species in a genus most 
valued in medicine or the arts. 
Oirf, Oi'dcs. This termination imports resem- 
blance, as petaloid, like a petal ; tkalictroides, 
resembling a thalictrum, &c. 
Oils, 140, c. 
— - vegetable, 193, 326. 
Olka'ckje, 500. 
Ol'ive, 168, a. 
Unagra'cejE, 451. 
Opaque'. Not transparent. 
Oper'culum^ 286. 
D'piiim, 141. 
Opposite. Standing against each other on oppo- 
site sides of the stem. 
Orbic'vlar. Circular. 
leaf, 54, a. 
Or ckard-grasa, 175. 
ORcniDA'cKiE, 540. 
Orchid' cous. Petals like the orchis. 
Or'cliis plants, 269, 270. 
Or'ders of Linnaeus, 14. 
Organized substances, 370. 
Or gans of fructification, 112. 
Orobancua'ck.*:, 483. 
Os. A bone. A mouth. 
Osmun'dcB, 562. 
Os'seous. Bony, hard. 
O'vary, 80, a. 86, 89. 
O'vatc, 54, d. 
Ovip'arovs. Animals produced from eggs, as 
birds, &.C. 
O'vules^ 86, 99, 111. 
O vum. An egg. 
Oxamda'ck/e, 431. 
'Oa'a/i« Fig. 181. 
Ox' y gen, 114, a. 122. 
essential to germination, 312 
inhaled by leaves, 62. 
Pce'ony, 233. 
Pa'lma, 68, b. 173. 
Pal'ate. A prominence in the lower lip of a per- 
sonate corolla, closing or nearly closing the 
throat. 
Palea'ceous. Chaffy. 
Palma'cej*:, 
Pat' mate. Hand-shaped ; resembling the hand 
with the fingers spread, 54, /. 
Palmel'la nivalli, 318. 
Palms, 198, Fig. 137. 
Pa^m-Sunday, 304, a. 
Palus'tris. Growing in swamps and marshes. 
Panex'tcrn, The outer covering of the peri- 
carp, 95. 
Pan'icle, 84, Fig. 92, b. 
Pan iclcd. Bearing panicles. 
Panin'tern. 'I'he inner covering of the peri- 
carp, 95. 
Pan'sy, 188. 
Pupaw'-ivce, PI. 4, Fig. 1. 
Papavkra'ckjE, 409. 
Papaya'ce^, 457. 
Papil'io. A butterfly. 
Papiliona'cew, 444. 
Pnpiliona'ceous. Butterfly-shaped, 73, 253, Fig. 148 
Pap illose. Covered with protuberances. 
Piip'piis, 102. 
Papyrus, 275. 
Paraphv'ses, 565, Fig. 217. 
Parasites, 39, 354, 5th. 
Paren'chyma, 53, 117. 
Parisit'ic. Growing on another plant, and deriv- 
ing nourishment Irom it. 
Paris, 212. 
Parnas'sia, 192. 
Partial. Used in distinction to general. 
Partition. The membrane which divides peri 
carps into cells, called the dissepiment. 
Part'ed. Deeply divided ; more than cleft. 
Parts of the calyx, 67, 
of the pistil, 80. 
of the stamen, 79, a. 
PASSIFLORA'CEif:, 456. 
Pas'sion-floyier, 245. PI. 6, Fig. 4. 
Pat'ens. Spreading, forming less than a rigl^t 
angle. 
Pau'ci. Few in number. 
Pea, 254. 
Pcc'tinate. Like the teeth of a comb, interme- 
diate between fimbriate and pinnatifid 
Pcd'ate. Having a central leaf or segment, and 
the two side ones, which are compound, like a 
bird's foot. 
Pcd'icel, 41, a. 
Pedun'cle, 41, a. 
Peflicle. A thin membraneous coat. 
Pellu'cid. Ti ansparent or limpid. 
Pel'tate. The petiole attached to some part o/ 
the under side of the ieaf. Fig. 53, a. 
Pend'ent. Hanging down, pendulous. 
Pen'ciled. Shaped like a painter's pencil oi 
brush. 
Penninerv'cd. Having the lateral nerves pin- 
nately arranged. 
Pe'po, 96. 
Pep'per, 170, 188. 
Percgri'nous. Foreign, wanaering. 
Peren'nial roots, 31. 
Per' feet flower, 67. 
wood, 129. 
Perfoliate. Having a stem running through th* 
leaf; diflers from connate in not consisting cm 
two leaves. 
Perforate. Having holes as if pricked through 
21* 
