672 



INDEX 



Oxalis rufa, 417 



stricta, 416 



violacea, 416 

 Oxycoccus, 496 



macrocarpus, 4, 496 



Oxycoccus, 496 

 Oxygraphis Cymbalaria, 329 

 Oxypolis, 481 



longifolia, 481 



rigidior, 16, 481 

 Pachysandra procumbens, 

 428 



Padus, 391 



nana, 391 



virginiana, 391 



virginiana, 391 

 Panax, 472 



quinquefolium, 472 



trifolium, 472 

 Panicularia, 141 



acutiflora, 144 



americana, 143 



borealis, 18, 27, 143 



canadensis, 18, 142 



fluitans, 144 



fluilans, 143 



grandis, 18, 28, 143 



laxa, 18, 142 



nervata, 143 



obtusa, 24, 142 



pallida, 143 



septentrionalis, 21, 27, 



H3 

 Torrcyana, 142 

 Panicum, 102 



aciculare, 14, no 

 aculeatum, 14, 28, 30, 



116 

 Addisonii, 28, 114 

 agrostoides, 109 

 albemarlense , 114 

 amaroides, 108 

 amarum, 14, 108 

 anceps, 108 

 angustifolium, 14, no 

 annukim, 14, m 

 Ashei, 116 

 atlanticum, 113 

 barbipulvinatum, 117 

 barbulalum, m 



Panicum Bickncllii, 28, 1 10 

 boreale, 5, 18, 112 

 Boscii, 117 

 capillare, 108 

 clandestinum, 1 17 

 Clutei, 112 

 coerulescens, 14, 1 1 1 

 columbianum, 115 



thinium, 115 

 Commonsianum, 14, 



114 

 commutatum, 27, 116 

 condensum, 14, 109 

 cryptanthum, 14, 116 

 decoloratum, 1 17 

 depauperatum, 109 

 dichotomiflorum, 107 

 dichotomum, 1 1 1 

 ensifolium, 14, 18, m 

 flexile, 5, 108 

 Gattingeri, 108 

 hemitomon, 14, 107 

 huachucae, 113 



silvicola, 1 13 

 implicatum, 28, 1 14 

 languidum, 18, 1 13 

 lanuginosum, 14, 114 

 latifolium, 1 16 

 leucothrix, 14, 113 

 Lindheimeri, 112 

 linearifolium, 4, 109 

 Iongifolium, 109 

 lucidum, 14, 28, 30, 1 1 1 

 macrocarpon, 116 

 mattamuskeetense, 112 

 meridionale, 114 

 microcarpon, 1 1 1 

 miliaceum, 108 

 minus, 108 

 nitidum, 112 

 octonodum, 14, 1 12 

 or kola, 1 14 



oligosanthes, 14, 18, 115 

 paucipilum, 14, 1 12 

 philadelphicum, 108 

 polyanthes, 14, 27, no 

 Porterianum, 1 17 

 proliferum, 107 

 psammophihim, 115 

 pseudopubescens, 113 

 pubifolium, 1 17 



Panicum scabriusculum, 14, 

 116 



scoparioides, 1 13 



scoparium, 115 



Scribnerianum, 115 



sphaerocarpon, no 



spretum, 18, 28, 112 



stipitatum, 14, 109 



subvittosum, 114 



tennesseense, 1 14 



tsugetorum, 1 15 



unciphyllum, 113 



verrucosum, 107 



villosissimum, 1 13 



virgatum, 108 

 cubense, 108 



Werneri ,110 



Wrightianum, 28, 113 



xanthophysum, 18, 115 



yadkinense, III 

 Papaver, 333 



Argemone, 333 



dubium, 333 



hybridum, 333 



Rhoeas, 333 



somniferum, 333 

 Papaveraceae, 332 

 Papyrius, 281 



papyrifera, 282 

 Parietaria, 284 



debilis, 284 



diffusa, 284 



officinalis, 284 



pennsylvanica, 23, 284 

 Parnassia, 353 



caroliniana, 353 

 Parnassiaceae, 353 

 Paronychia, 303 



argyrocoma, 303 

 Parsonsia, 462 



petiolata, 462 

 Parthenium Hysterophorus, 



640 

 Parthenocissus, 439 



quinquefoiia, 439 

 Paspalum, 99 



circulare, 14, 101 



difforme, 14, 101 



dissectum, 100 



floridanum, 14, 101 



laeve, 14, 101 



