PLAi'li I'AGK 



Pigeon Grass "^ 



Pigeou Weed ^° 



Pigweed, Hedroot 42 80 



Kough ••• «0 



Russian • '*'■ '^ 



Pigweed Family °^ 



Pink Family ^J 



Plantaginaoe^ i* 



Plantago aristata ■•• <J 



lanceolata ^J 7^ 



major 38 75 



media '° 



Bugellii 1^% 



Plantain, Bird-seed '» 



Bracted '' 



Broad-leaf 'Ji 



Door-yard 'Ji 



English ;° 



Greater '^ 



Hoary 1° 



Pale 1° 



POLYGONACE^ °^ 



Polygonum °^ 



aviculare _„ 



Convolvulus ^ 



lapathifolium °i 



Muhlenbergii ^" 



pennsylvanicum °^ 



Persicaria ^^ 



Portulaca, Wild *| 



Portulaca oUracea *^ 



Potentilln Anserina J^ 



monspeliensis *^ 



norvegica •„ ^ 



Poverty Weed ^- ^ V 



Purslane ^"^ *| 



Pusley 



Quack Grass 46 87 



"Quack" -'^ 



Quitch ^' 



Rabbit-ear $" 



Radish, Wild •■• j^ 



Ragweed, Common '''* '^^ 



False ••„ 1^ 



Great "^"^ ^2 



Perennial °'Z 



Smaller °f 



Tall % 



Ragweed Family ••■ ^° 



Ragwort, Common 28 &(_ 



Tansy ■_ 



Ranuncclacb^ Y 



Bnniinrvhts^ ncris ^ 



Cymhnlaria !.' 



repens |f 



sceleratus ^' 



Rape, Bird ^* 



German f^ 



Bnphanus liaphanistrum ^4 



R-d-root - «» 



Ribgrass ^^ i° 



Ribwort /," 



RxiiwoRT Family '* 



Bosn aricuUiris, var. Bourgeau- 



42 



lana "Jt; 



arknnsana ^" 



pratincola 4- 



Rosacea 42 



PLATE PAGE 



Rose, Prairie ^f 



Rose Family ^^ 



Rotation of crops, short il. io 



liudbeckia hirta ^° 



Bumex ••• ^z 



Acetosella « »5 



crispus 44 84 



Rye-grass, Poison ^^ 



Sage brushes 48 



Sage, Lesser Pasture 48 



Pasture 48 



Sweet 48 



Sandweed 40 



Saponaria Vaccaria ^^ 



kavastana odorata 92 



SCROPHULARIACE^ ^3 



Scutch °l 



Seed, clean ^^ 



Seeding down ^^ 



Seeds of weeds 1^ 



Seneca Grass ••• ^2 



Senecio Jacohaa 28 57 



viscosus ^° 



vtdgaris ^ 



Setaria glauca °^ 



viridis 50 93 



Shepherd's-purse ° j^ 



Silenf. Cucuhalus ^ 



inflnta '6 39 



noctiflora 12 34 



pratensh 35 



vulgaris 34 



Silverweed 4.1 



f^inapis nrve-nsis ^ 



Sisymbrium, Tall ^ 22 



Sisym.brium nUisslmum .._ 4 22 



incisum, var. Eartwegianum .... 21 



ivcisum, var. filipes 3 21 



pannonicum 22 



sinnpistrum 22 



Skunk Gras.9 |o 



Sknnk-tail Grass || 



Short-awned °9 



Smartweeds _. ^^ 



fjniidngo canadensis 49 



lanceolata 21 49 



rugosa, 49 



serotina 49 



Sonchus arvensis 34 66 



anper ^^ 



oleraceus ^^ 



prdchellus "^ 



S!op}iia incisa 21 



Sorrel, Field ^5 



R.d 85 



Sheep 45 85 



Sour-grass 85 



Sowthistle, Common 67 



Corn ^ 



Creeping 66 



Field - 66 



Perennial 34 bb 



Spiny 11 



Spear Grass ■ ^ ^" 



Spp.rgula arvensis 1" 40 



Spider-flower, Entire-leaved 18 



Spinach Family 77 



Spiro'a tomentosa 43 



102 



