608 



GEOLOGICAL SURVEY OP CANADA. 



PAGE. 



micranthum, Benth 331 



pulcJierrimum, Hook 331 



POLYGALACE^E (XIV) 65 



Polygala, Tourn 65 



fastigiata .... 66 



incarnata, L 65 



Nuttallii 66 



paucifolia, Willd 66, 494 



polygama, Walter ' 66 



purpurea, Nutt 66 



rubella, Willd 66 



eanguinea, L 66, 494 



Senega, L 66, 494 



uniflura, MX 66 



verticillata, L 66, 494 



viridescens, L 66 



POLYGON ACE^E (LXXXIV) 40<> 



Polygonum, L 407 



acre.HBK 411 



alpinum, Hook 412 



amphibium, L 410 



amphibium, var. /?., Bourgeau . . 410 



var. aquaticum, Gr 410 



var. terrestre, Gr 410 



arifolium, L 413 



articulatum, Willd 409 



aviculare, L 407 



aviculare, var. erectum, Gr 407 



var. littorale, Gr 408 



Bistorta, L 412 



bistoi toides, Pursh 412 



Careyi, Olney 412 



cilinode, MX 413 



coarctatum, Dougl 408 



var. minus, Meisn 409 



cocdneum, Muhl 410 



var. terrestre 410 



Convolvulus, L 413 



dumetorum, L 413 



dumetorum, L., var. scandens, 



Gray 413 



erectum, L 407 



Fagopyrum, Putsh 414 



Hartwrightii, Gr 410 



Hydropiper, L 411 



hydropiperpides, MX 411 



hydropiperoides, Pursh 411 



imbricatum, Nutt 409 



incarnatum, Ell 409 



lapathifolium, Ait 410 



var. incanum, Koch 410 



lapathifolium, Ait 409 



var. lanatum, Bourgeau. . .410 



maritimum, L 408 



minimum, Wat 408 



mite, Ell 411 



mite, Pers 411 



Muhlenbergii, Wat 410 



nodosum, Pers 409 



nodosum. var. incarnatum, Gr..409 

 orientale, L 412 



PAGE. 



Paronychia, Cham. & Schl 407 



Pennsylvanicum, L 409 



Persicaria, L 411 



poly mprphum, Ledeb , . . 412 



ramosissimum, MX 408 



sagittatum, L 413 



scandens, Pursh 413 



Tartaricum, L 414 



tenue. MX 408 



var. latifolium, Englm....408 



Virginianum, L 413 



viviparum, L 412 



Polymnia, L 239 



Canadensis, L 239 



Populus, L 456 



alba 458 



angulata, Ait 457 



angulosa, MX 457 



angustifolia, James 457 



balsarnifera, L 456 



var. candicans, Gr 457 



balsamifera, Lyall 457 



var. Hook .... v 457 



var. angustifolia, Wat 457 



Canadensis, MX 457 



candicans, Ait 457 



dilatata, Ait 458 



grandidentata, MX 456 



Isevigata, Ait 457 



monilifera, Ait 457 



treinuloides, MX 456 



trepida, Willd 456 



' trichocarpa, T. &G 457 



Porcelia triloba, Persoon 28 



PORTULACACEJE (XVIl) 81 



Portulaca, Tourn 81 



oleracea, L 81 



Potentilla, L 136 



Anserina, L 141 



var. Egedii, T. & G 141 



var. grandis, Lehm 141 



var. Grcenlandica, Tratt. . . 141 



argentea, L 139, 51 7 



arguta, Pursh 136. 516 



arguta, Lehm 136 



biflpra, Willd 140 



bipinnatifida, Dougl 137 



Canadensis, L 141 



var. simplex, T. & G. .141, 518 



chrysantha, Hook 138 



concinna, Rich 139 



dissecta, Pursh 138, 517 



var. glaucophylla, Lehm.. 517 



var. multisecta, Wat 517 



var. pinnatisecta, Wat. ... 517 



diversifolia, Hook 138 



Drummondii, Hook 138 



effusa, Dougl 138, 517 



emarginata, Pursh 140, 518 



fastigiata, Nutt 138 



fissa, Nutt 136 



