580 



GEOLOGICAL SURVEY OF CANADA. 



PAGT8. 



Canadensis, Hook 24 



Canadensis, var. formosa, Wat . . 24 



chrysantha, Gr 482 



flavescens, Wat 25, 482 



forrnosa, Fisch 24, 481 



vulgaris, L 24,482 



vulgaris. Rich 24 



Arabis, L 41 



alpina, L 44,487 



ambigua, DC 42 



Canadensis, L : "." ^4 



canescens, Nutt., var. latifolia, 



Wat. 487 



Drummondii , Gr 43, 486 



var. brachycarpa, Gr 43 



Drummondii var. alpina, Wat. . 43 



falcata, MX 44 



Gerardi, var. borealis 42 



h&yjrridoides, Gr 58 



heterophylla, Nutt 44 



hirsuta, Scop 42 



Holbcellii, Hornem 42, 486 



Isevigata, Poir 44 



Lyallii.Wat 43, 487 



lyrata, L 41 



microphylla, Nutt 43 



perfoliata, Lam 43, 487 



petrsea, Lam 42, 486 



var. ambigua, Regel. . . . { 42 

 i486 



reptans, T. & G 52 



retrofracta, Graham 43 



rhomboidea, Pers 40 



rupestris, Nutt 42 



sagittata, DC 42 



sparsiflora, Nutt 42 



stricta, Huds 44 



Aralia, Tourn 188 



hispida, Vent 189 



nudicaulis, L 189, 537 



quinquefolia, Decaisne 189, 537 



racemosa, L 188 



trifolia, Decaisne 189 



ARALIACB^E (XLVI) 188 



Arbutus, L 294 



alpina, L 294 



Menziesii, Pursh 294 



tomentosa, Pursh 295 



Uva-ursi, L 295 



Arceuthobium, Bieb 422 



Americanum, Nutt 422 



Oxycedri, Bieb 422 



robustum, Engelm 422 



Archangelica, Hoffm 185 



atropurpurea, Hoffm 185, 536 



Grnelini, DC 186, 536 



hirsute, T & G 186 



officinalis, Hook 186 



peregrina, Nutt 186 



Archemora, DC 188 



rigida, DC 188 



Arctium, L 268 



Lappa, L 268 



var. minus, Gr 269 



var. tomentosum, Gr 268 



Arctostaphylos, Adns 294 



alpina, Spreng 294, 561 



tomentosa, Dougl 295 



Uva-ursi, Spreng 295 



Arenaria, Linn 70 



arctica, Stev 71 



var. breviscapa, Regel 71 



arctica, var. p. grandiflora, 



Hook 71 



var. y. obtusa, T. & G 71 



var. stenopetala, Hook 71 



biflora, Wahl, var. obtusa, 



Wat 71,496 



buxifolia, Poir 73 



Canadensis, Pers 80 



capillaris, Poir, var. nardifolia, 



Regel 70,496 



congesta, Nutt., var. sub-con- 



gesta, Wat 71 



fasciculata, Pursh 74 



formusa, Hook 70 



Groenlandica, Spreng 73, 496 



hirta, Wormsk 71 



juniperina, Pursh 71 



laricifolia, Pursh 71 



lateriflora, L 73, 497 



macrocarpa, Pursh 72 



macrophylla, Hook 73 



Michauxii, Hook 72, 74, 496 



nardifolia, Ledeb 70 



peploides, L * 73 



tar. oblongifolia, Wat . f 73 

 \497 



peploides, var. major, Hook 73 



physodes, DC 73, 497 



propinqua, Rich 71 



Pumilio, R. Br 71 



pungens, Nutt. 72, 496 



Purshiana, ,Seringe 76 



quadrivalvis, R. Br 72 



Rossii, R. Br 72 



rubella, Hook 72 



rubra, Hook 80 



rubra, var. (3., MX 80 



serpyllifolia, L 73, 497 



stricta, Fenzl 72 



stricta, MX 72 



tenella, Nutt 72 



thymifulia, Pursh 76 



uliginosa, Schl 72 



verna, L 71,496 



var. hirta, Wat 71, 496 



var. rubella, Hook 72, 496 



AKISTOLOCHIACE^E (LXXXV) 418 



Armeria,Willd 308 



vulgaris, Willd 308, 564 



Armoracia rusticana, Rupp 39 



