166 
Common...........-..-- 139 
Deadly vac Getinene recs 139 
Poetid ey in-x-aeivs ncaa ea es 142 
Gatdetts sos ccgnex Se eos eRe 139 
Praities scx se peaaeenca oes 142 
Spreading............... 142 
Three-flowered........... 142 
Wood 92... sy. aincbew aaa ties 139 
Oak, Poison-............. 134, 137 
Oats, ergotized............. 22 
Onion, Poison.............. 50 
Orchidaceae.............04. 118 
Orchid Family............. 118 
Oregon Water Hemlock..... 78 
Ox-eye, Yellow............. 84 
Oxytropis............ hes 66 
DCPLCRD sie: ac ime dk a 08 70 
foltolosa. 0... 0.02 clue 70 
Lamberti... 0. cee 69 
Pale Laurel................ 74 
Papaveraceae............... 130 
Paradise Plant............. 138 
Parsley, Spotted........... 79 
Wate ieee ick og dss eccan es 81 
Wald sac. ccuat atta hoseanas 74 
Pasque Flower............. 62 
Pasture, Plants Dangerous in 46 
Pea, Blue.............0.... 40 
Pea Family............ 40, 66, 131 
MARC u.gne dieu y aren? o5.4 GA he 40 
Peay Wilds ons oat cee we ge 40 
Pennycress, Field........... 103 
Perithecium................ 21 
Phleum pratense............ 23, 24 
Phytolaccaceae.............. 123 
Phytolacca decandra......... 123 
Pictou Cattle Disease....... 82 
Pigeon-berry............... 123 
Pin Cherry................ 64 
Pink Family.............. 93, 125 
INDEX 
Poa annua... 1.0.20... see 24 
PYAleNSiS..... 6.0... eee eee 24 
Podophyllum peltatum....... 130 
Poison Amanita............ 113 
Ca MAS 6 voices 'd dandy a eautig: cs 50 
Dartnel oe sxx ses ags es eens 91 
Pag iicsuatuce eet ee ese 118 
Hemlock................ 79 
TNs oiesl eresahie bata dienes aaNS 134 
Ivy, Western....... 137 
Lath ys sateen cians ede etree ae oe 50 
COA &. Sisea eecahniecpecety oe eet 134, 137 
Onionys ses doses Bose es 50 
POKG eas eee sie SRA EES 123 
MOCO) susgte Ge oaks Sa eas 50 
SUMMA GC cpt 2 cua Pheu ds. guebaeds 137 
-tobacco................. 142 
PVINE an secds nag ad aoa mde 134 
Poke, Indian............... 53 
Meadow: ..c..04 2808s eu oe 53 
Pois0n : 6 0 3ena ose wae 123 
Pokeweed................. 123 
Bamitly: ei.ccc2 packeweaa ees 123 
Polecat-weed............... 115 
Poppy Family.............. 130 
Porcupine Grass............ 48 
Potato Family............. 139 
Potato, Hog............... 50 
Prairie Anemone........... 62 
CTOCUS sent sg ude eet 62 
Nightshade............... 142 
SMOKEGi aa sed hes ek Gaede 62 
Thermopsis.............. 131 
POUMUS 0 dich bce Rati soe Soden 63 
COMISS Oise 5 an aiee essere 64 
pennsylvanica............ 64 
SQPOUNGA ition yen g Dae oe ee 63 
virginiana... ........... 2 «64 
Pleris aquilina............. 33 
Pulsatilla, American........ 62 
