INDEX. 



PAGE. 



Abies, Juss 473 



alha, Poir 4()9 



Albertiana, Murray 471 



amabilis, Forbes 475 



amabiliii, Murray 474 



arctica, Murray 469 



balsamea, Miller 473 



haUamifera, Mx 473 



bifolki, Murray 4 74 



Canadensis, Desf 471 



dent'iculata, Mx 4(i8 



Douglasii, Lindl 472 



var. taxifolia, Gordon 472 



Engelmanm, Parry 470 



Gordujiiana, Carr 474 



grandis. Lindl 474 



grandis, Murray 475 



grandis, Engelm 474 



var. densiflora, Eng 475 



Hookeriana, Murray 472 



Menzifsii, Lindl 470 



Mertenslana, Lindl. . • 471 



rnicrocarpa, Poir. 475 



mucronata, Raf 4 72 



nigra, Poir 408 



nigra, Engelm 470 



nigra, var. rubra, Mx 408 



Pattoniana, Jeffrey 472 



Pattonii, McNab 471 



pendula, Poir 475 



rubra, Poir 468 



var. cperulea, Lindl. & Gord..469 



SUchensis, Lindl. & Gord 470 



subalpina, Engelm 474 



WiUiamsonii, Vasey 472 



Abronia, Juss 395 



arenaria, Menz 396 



latifolia, Esch 396 



umbellata, Lam 395 



Abutilon, Tourn 87 



Avicennee, Gsertn 87, 501 



Acalypha, L 427 



Caroliniana 427 



Virginica, L 427 



AcANTHACEiE (LXXIV) 377 



Acer, Tourn 98 



barbatum, Dougl 99 



barbatum, Mx 99 



circinatum, Pursh 98 



PAGE. 



coccineum, Mx. f 99 



dasycarpum, Elirh 99 



eriocarpuin, Mx 99 



glabrum, Torr 99, 504 



maiTophyllum, Pursli 98 



montanum. Ait 98 



Negundo, L 100 



nigrum, Mx. f 99 



Pennsy Ivanicum, L 98 



rubrum L 99 



saccharinum, Wang 99 



var. nigrum, T. & G 99 



saccharinum, Mx 99 



spicatum, Lam 98 



striatum, Du Roi 98 



tripartitum, Nutt 99 



Acerates, Ell 320 



longifolia. Ell 565 ' 



viridiflora, Ell 320 



va.r. lanceolata, Gr ,320 



var. linearis, Gr. 320 



Achillea, L 251 



borealis, Bong 251 



Millefolium, L 251 



var. lanata, Koch 251, 552 



var. nigrescens, E. Meyer.. .552 



multiflora, Hook 251 



Ptarmica, L 251 



Ptarmica, Rich 251 



Sibirica 252 



tomentosa, Pursh 251 



Achlys, Hook 30 



triphylla, DC 30 



Acnida, L .397 



altissima, Mx 397 



cannabina,YiXT. concatenata, M.oq.397 



ruscocarpa, Gr 397 



rusocarpa, Mx 397 



rusocarpa, Moq 397 



tuberculata, Moq 397 



Aconitum, Tourn 26 



Colwnbianum, Nutt 26 



delphinifolium, DC 26 



Fischeri, Reich 26 



Napellus,!. 26 



Napellus, var. delphinifolium, 



Seringe 26 



nasutum, Fisch 26 



nasutum, Hook 26 



