Phryma Leptostachya, 17 18 42 50 6598 
Phyllanthus caroliniensis, 17 40 58 72 
Pysalis angulata, 33 45 81 93 
barbadensis. 
ixocarpa, (P. pendula), 84 
lanceolata, 17 48 58 98 
missouriensis, 72 
pruinosa, 82 110 
pubescens, 17 58 72 94 
pumila, (P. lanceolata hirta.) 
subglabrata, (7. philadelphica), 19 65 72 102 
texana, 98 
virginiana, 32 84 
vulgaris. 
viscosa, 84 
Physocarpus opulifolius, 5 14 16 17 42 5658 
Physostegia virginiana, 20 45 58 61 65 82 
Pilea pumila, 7 40 69 91 109 
Plantago aristata, (P. patagonica aristata), 14 22 25 30 41 
45 50 61 65 68 75 
cordata, 5 57 58 
elongata, (P. puszlla), 35 185894 
lanceolata, 7 17 18 19 68 102 
patagonica. 
Purshii, (P. patagonica gnaphaliordes.) 
Rugelii, 14 17 68 84 
virginica, (common. ) 
longifolia. 
Platanus occidentalis, 6 7 14 17 91 
Pluchea camphorata, 106 
Podophyllum peltatum, 5 14 17 32 45 48 58 65 99 109 
Polanisia graveolens, 1 42 45 5661 81 84 
Polemonium reptans, 14 32 33 45 48 54 58 79 
Polygala alba, 42 43 
sanguinea, 16 29 57 58 61 
verticillata, 17 32 61 
ambigua. 
Polygonum acre, 17 98 
leptostachyum, 109 
aviculare, 14 17 68 84 
Convolvulus, 24 84 
cuspidatum, 58 
dumetorum, 17 29 48 102 108 
erectum, 29 32 42 53 81 108 110 
Hydropiper, 7 17 41 84 
hydropiperoides, 41 65 82 
intermedium, 84 
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