447] 



305 



Beferences to the Flora are in brackets [ ] 



Canadensis [246] 



Jluitans 

 nervata. 

 Panicum 39, 52, 70, 



autiimnale [245] 



capillare 70, 



campestre . 



fiexile 



Gattingeri 

 clandestinum 30, 



cognatum [245] 



Columbtanum 87> [89] 



commutatum 64, [88] 



Crus-galli 70, 71, 72, [86] 



depauperatum 64, 65, [87] 



dichotomum [88] 



commune [S8] 



fasciculatum [88] 



gracile [88] 



villosum [88] 



Enslini 62, 65, [87] 



filiforme 64, [S6] 



flexile [87] 



Gattingeri [87] 



glabrum [245] 



implicatum 64, 65, [88] 



lanuginosum 64, [88] 



latifolium [87] 



lineare [245] 



linearifoliiim [87] 



macrocarpon [89] 



nitidum [88] 



perlongum [87] 



Porterianum [89] 



proliferum 70, [87] 



geniculatum [87] 



pubifolium [89] 



sanguinale 67, 68, 71, [86] 



virgatum 62, [87] 



Walteri [89] 



Pansy, field [180] 



Papaveraceae 35. [142] 



Papaw [138] 



common [138] 



Parasites 65 



Parietales [ 1 76] 



Parietaria [127] 



Pennsylvanica 36, [127] 



Paroseia [ 160] 



Dalea [160] 



Parsley family [184] 



Parsnip [188] 



common [18S] 



meadow [187] 



water [187] 



Parsonsia [181] 



fetiolata [181] 



Parthenium [231] 



integrifolium ...... 



48, 52, 62, [219], [231] 



Parthenocissus [l75] 



quinquefolia [ 175] 



Partridge pea ['57] 



sensitive [iS7] 



Pascuales 66 



pooides 66 



Paspalum [86] 



setaceum. .... . . 67, 71, [86] 



Pastinaca [188] 



sativa. [188] 



Pasture plants 66 



Pea, butterfly [251] 



hoary [161] 



marsh [165] 



Peach [156] 



Pear [150] 



common [150] 



Pecan . [120] 



Pedicularis [210] 



Canadensis 42, [210] 



Pellaea 77. [80] 



atropurpurea 60, [80] 



dealbata ... 60, [80] 



gracilis [244] 



Stelleri [244] 



Pellitory [127] 



Pencil flower . . [161] 



Pennyroyal, American .... [202] 



false [199] 



mock [202] 



Pentastemon, see Pentstemon 



Penthorum [ 148] 



sedoides 29, [148] 



Pentstemon [207] 



canescens [207] 



Digitalis .... [207] 



hirsutus 43, [207] 



laevigatus [207] 



Digitalis [207] 



Pentstemon [207] 



pubescens [207] 



Pepper grass [l43] 



Peppermint [204] 



Pepper-root [146] 



Periwinkle. .... ... [192] 



blue [192] 



Persicaria [129] 



Hydropiper ['3°] 



hydropiperoides [ 130] 



incarnata [ 130] 



lapathifolia [131] 



orientalis [131] 



Pennsylvanica [130] 



Persicaria.. . . [130] 



