902 
Page. 
Pteris—Continued. 
atropurpured ...... 2-2-2. -- 
catalogue —...---2 2... eee eeee eee) BP 
Pterocaulon, catalogue. .....-2.. 2.222222. 790 
polystachyune ....-... 0222222 eee 790 
pycnostachyume . 22.2.0. .022 222.22 == 120 
undulatum....... 2222-2222. -2.-.--..--- 120 
Ptilimnium capillaceum ....2-....-....... 128 
catalogue .....2.....22...2222. 222 2222. G48 
Ptychomitrium .-..---...2.2..2-2222-2--.---. 291 
catalogue ...... 2... -..-2. 2222-222 eee 300 
Puccinia andropogi.-..........-...-...---- 1s7 
OndvOpog? .. 22-222 222222 eee we eee ee eee 187 
eatalogue ....20..-22. 2222-222 eee eee 18% 
COrOndta — 202 ee ee eee 190 
CUPOVE ooo oe ee ee eee eee eee 189 
emaculuta....2. 0222 22 eee weer 190, 191 
ee 8 
lateritia...2 2222.2 0.0-0-- 22 eee eee eee LW 
Maydis —. 0.022222. 2 eee ee eee eee 
pekianad . 20.00.22. -2-02. 2-22 ee ee ee 191 
pruni-spinosae.....-..2--..-----------. 256 
INDEX. 
Page. 
Pyrus angustifolia ..... 22.22.22... 61, 71,49, 122 
botryapium . 22... 22.222 eee e eee eee 545 
catalogue 22.2... 222 .. ecee cee eee ee eens | MS 
communis...... 22.2.2 .2-.---. 246, 254, 256, 831 
leucoearpa..-.- 22. 2.2222 2222 eee 253 
malus ..2... 222.22 22 cee ee eee eee 831 
ovalis.. aS © 5) 
SONGUINCA. 20.2 eee one eee ence ee 545 
sinensis __.. 2.222222. 2 22 eee eee ee 831 
Pyxine . 22.222 e. 2 eee eee eee eeeene 264 
catalogue _...0.2.2 222222 eee ee 28] 
picta . 22002. ee eee eee DU 
sorediata..22.20. 202002 0.22 eee eee 266 
Pyvidanthera spathulata... 0.002222... .-- 534 
Quaking grass. _._-. 2.22.20 2 oe eee 383, B84 
Quamasia ....2. 2222.0. ee eee eee 40 
catalogue ____2-22 222.2 eee eee 440 
esculenta .... 2.2... 222... --- --- 98 
hyacinthina ~...0.02..22 22222 eee 440 
Quanoclit coccined . 22.2. 22222. 2-2 eee ee 678 
quamoclit...-..22..0. 2222.02.22. eee eee 56 
VULGATIS ©0022 cee c ee cece ee ee ee we nee eo ee 678 
Queen of the meadow........... 22-222... 761 
Queen's delight .......2. 2222-22222 ee 5O4 
| Quereus.._..2. 2222. eee ee eee 140, 157, 158, 
rubigovera@ .....2..--.----22---2-------- 188 
silphté 222222222. 2 ee een nee eens 188 
ftanaceti .... 22. 2222-22-22 eee eee eeee 188 
virgata....2. 2222202222222 e ee eee eee 188 
wanthii occ. ee ee eee eee eee 18S 
Pucciniaceae-_-........... 22 --..--------.- 185,262 
Pucciniastrum, catalogue......2....22.... 185 
crotonmis ..2.22 2.22226 0-2-2 eee eee eee. D8 
Puceoon........2-2. 2-2-0. 222-2 8. ... 691 
red _ 222.220.2222. ee cee ene eee 520 
vellow_......-.--------------- 20-2220 --- 408 
Pulmonaria virginica —.2..2..02222-. 22 
Purple love grass..._-...-..... 222.2... 380 
Punica granatum-...........2-222..---.-- 136, 852 | 
Purslane, common.-...........2. 222222. -- 495 — 
family ...... 22.22.2222. 2 222. eee eee eee 495 
S@Q _.2.2 2-22 eee eee - 494, 495 
water .-..---2 202-222-222 eee 636 
Pumpkin, cheese. ._.... .-2-..-------222.--. 830 
large ...--2-2-2.---2 2-22-2222 eee 8 
Pycnanthemune -.00 000.0022 222 ee ee 698 
calbescens -...2 2. eee eee eee eee. 699 
aristatunr hyssopifolium wee eee eee ee 698 
hyssopifolium ........-2---------.------ 698 
ineanwm albescens .....2.2..2.22222222. BOO | 
linifolium......2-.2-----2-- 222-22 ------ 698 
montanwMm — 2.222222. eee eee eee 699 
NUACUNE — 22222 oe eee eee eee wee 698 
tullid —. oc... eee eee eee eee 699 
Pylaisia, catalogue -..... 2-22.02 22222 306 
Pylaisiella .......--....--------2- 22. ----- 29] 
Pyracantha..-......--... 22-222 .2222e eee 834 
Pyrenastrum ...... .... 222222. -2-22 2-2-2 ee 264 
catalogue ...... 22.22. 22222. eee eee 268 
Pyrenopsis. .-.... 02.20.20 -.-2..22.--------- 264 
catalogue ..... 2.222222 -- 2222 eu eee 279 
melambola...-...2222.2-.-2...--2222--.. 267 
Pyrenopeziza, catalogue......-.--...-. 22. 158 
Pyrenula.-_....22.... 2-22-22... eee e eee 264, 266 
catalogue -..- 2.2.22... 2 eee eee eee 207 
Pyrethrwin maritinunm ....0. 222222222222. 813 
Pyrola family.......2.222.2222.---222.2..... 652 
maculata. .--2 2-22... a ------- © 6A2 
Pyrolaceae_...... 2.2.2.2... mE 115924 
Pyrrhopappus..-2.....222-2-0 2-2 ee T54 
carolinianus ©. 0.2222. eeee eee eee eee rays 
. 
159, 162, 173,177, 179, 180, 181, 195, 197, 199, 201, 
202, 203, 204, 205, 206, 208, 212, 220, 2% 
acuminata . 
alba 
minor 
46, 60, 70, 77, 155, 165,181, 1 
aquatica. __... 222.22 2-222 ee eee 
aquatica . weceeee 
161, 162, ‘166, st JU, isl, 192, 249, 250 
boyntoni -..2.2 220. 2 eee 
brevifolia ._.... 2222... 
brevilobata __- 
239, 
------ 32,57, 91, 469, 591 
250 
92, 408 
469 
7 
_..... 61,154, 
472,833 
845 
Qo 
-... 154,473,822 
--- 16,41,93,100, 470, 591. § 
Se 
breviloba, correction of error ........ 845 
castaned oo 00.2 ee eee eee eee. = 469 
catalogue __....2-2...2-.222 2222-2 eee 463 
catesbaei__..... 2.22. w....-.- 95,471,559 
CENOVOU Lolo ee cee eee eee 73 
soceinea __...2 222222222 eee 17,50, 471,473 
tinctoria ~_.... 2.2... 471 
CURCOLE . 22222 22 eee ee eee eee 472 
digitata ..2.0222.220.. 4 54,472 
discolor 00.0. eee eee eee eee eee 471 
durandii... -..- 2-3 
durandti ....2. 222222222222 eee eee 16. 470 
Jaleata 2.0222 222 eee eee 46, 87,472 
pagodaefolia — oo... 22. eee eee 472 
hemisphaerica. 0... 0022 eee eee eee 14 
heterophyla-... 2.2... 02--222 0222022 473 
er i: 
imbricaria ...... 222... 20222. 2222. 473 
laurifolia_..... 95, 100, 102, 109, 117, 161. “472. 833 
lyrata .-..-.22..2-02.222 222222. 46, 95, 100, 469 
mnarylandica.-..... 47,60, 154, 166, 167, 472, 822 
maritima oo... 2 eee wee eee eee 470 
michaunxii-.... 0.222222 eee 46,61, 72, 470, 825 
minor.......2.. 46, 60, 154, 166, 167, 192, 247, 469 
TONTANG 0. eee eee eee eee 469 
niuhlenbergii. 2.22 22222 oe eee eee eee 469 
myrtifolia .-.... 222.2202. -22222--.... 130,473 
nigra......--...- 2. 61,100,154, 161, 
162, 166, 167, 177,181, 1922, 249, 250, 472.559, 833 
