Index. 
Page. 
Oxyopes, Latr 195 
— astutus, Hentz 19 
salticus, Hentz 196 
cse Hentz 196 
viridans, Hentz 195 
Palafoxia hookeriana, Torr.& G. — 24 
— texana, 22 
m hirtellur Miche. 238 
Parmelia aleurites, "Ach 98 
ambig ud, I 98 
detonsa, Fries 99 
—— —— hvpoleuc 99 
731 — — — incurva. Pers 98 
——-—— lanuginosa 99 
murorum, Hoffm. 100 
oculata, Dicks 100 
rubiginosa, Thunb 99 
straminea 100 
verrucosa 100 
Paromalus, Erichs. 66 
——— eequalis, Le Conte 66 
aflini is, Le Conte 67 
zl t bistriatus, Erichs 67 
— — complanatus, Erichs. 67 
conjunctus, Le Cont 68 
Eric 68 
chs. 
Paronychia cetacea, Torr. & Gray 213 
di , Nutt. 24 
drummondii, Torr. & Gr. 213 
Pecopteris abbreviata, Gópp. 381 
arbo ns, Brongn. 382 
borealis, Gópp. 381 
cistii, 381 
— cyathea, Brongn. 381 
gigantea, Brongn. 381 
— co Brongn. 
ongifolia, . 
loschii, Gópp. - 381 
———- co ie rongn. vj 
Peltigera tie 97 
Pentstemon eraat Nutt 227 
murrayanum, Hook. 254 
Perca mph Raf. 21 
ns, Mitchill 337 
ionis vltra. Nutt. 215 
7—— —— obovatum, Torr. & 215 
- phleoides, Torr & Gr. 215 
; violaceu : 215 
Phacolite 297 
Phascr p od cmm 
; subulatum, Linn. 7 
Phlox drummon dii, Hook. 252 
Phoczena communis, Linn. 167 
——— 
gm M anc Cuv. a 
285 
Phyllanthus Me. Nutt. 234 
Phyllite 301 
Physalis pubescens 227 
Physostegia intermedia 257 
; Polyp 
Ficus € Cabot 
tensis, vieil 
Pilinophytuti capitat 
Pimelodus cæru ulesce 
— catus 
—————- ulosus, 
Plante lind! heimeria ane: 
ona dubiis re tt. 
Plants of Texa 
Platirostra edentula, Les. 
Platysoma, Leac 
———— ra Le C 
linum, Le oo 
Plegaderus, "Erichs. 
—— — — pusillus, Le Conte 
——- transversus, Le Conte 
Boa on capitata, Nutt, 
Polla, Bridel 
Poly: MER phite 
Polygala alba, ym 
nea mat 
———— lep 
Pol ygonella ericoides 
Pol p Munasa P & Gray 
M E um ron I 
amia in Sahara sand 
Polytrichum an 
Poly thala 
- commune, Linn. 
pennsylvanicum 
e: Schreb, 
————- atum 
Pontederia lancifolia, re 
Potamogeton diversifolius 
i — n pers 
Prodidomus 
us 
Prunus Laer gg 
Shia fi lina, Gould 
peor obtusa Torr. & 
rhombifolia, Torr. & 
Ptelea trifoliata, Torr x Gr. 
Pterocaulon virgatum, D. C. 
ph 3 nt Morini C 
inianus, D. C. 
PP, grandifioras, Natt, 
Pyrrhula raptor 
Gr. 
Gr. 
mavis ae & Gr. 
230, 
lindheimeri Eng. & Gr. on 
af, 332 
Bogugusesee segs SSS SESE ees! 
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