74 Statistics of the Flora of the Northern States. * 
Stellaria crassifolia, Pyrola m 
me on 8. . Primula Wisaeaien 
Sage : Mertensia Hari 
Lathyrus Oe 2 Gentiana deto 
Potentilla Norwegica. Chenopodina anti (2) 
7 Anserina, Alnus viridis. , 
- fruticosa, Juniperus communis. 
Epilobinm angustifoliu liu Monocotyledonee. 
Myriophylium spi jeatum. Luzula pilosa. 
Hippuris vu «  parvi 
ibes rubrum. estris 
Viburnum Opulu Juncus bulbos 
Artemisia Canadensis Eriophorum poystachyon. 
Taraxacum Dens-leonis. grac 
Vaccinium Oxycoccus. _ Casex ul ugar 
Arctostaphylos Uva-Ursi. Festuca 
perteees S oliftian Triti kipune repens. 
Pyrola rotundifolia. Hierochloa borealis. 
If any interesting relation is to be traced between the more 
or less boreal range of our temperate species common to Europe, 
on the natural classes or orders they severally belong to, the 
means of instituting the —— are at hand in the various 
foregoing lists. The subjoined columns 
this respect between our 52 non-alpine plants which extend oe! 
the Arctic zone, and the almost equal number whose northern 
limit is between the 40th and the 50th parallels. It shows roti 
owever, except the diminution of the number of the or- 
ders, and of non-glumaceous Endogens, in high latitudes, 
Non- re Se seo of the above list Non-alpine species with hae boreal 
' gether ag 3 oreal limit with the Arc- limit between oy 40° and 50°. 
Ranunculacex, 3 Ranunculacez, 3 
Crucifere, 6 Nympheacee, 1 
Droseracez, 1 _ Crucifere, 2 
assi 1 Droseracese 1 
Caryophyllacee, 7 Caryophyllacez, 1 
Fagaintie : 1 Onalidace 2 
Rosace: 4 Geraniacee, 1 
Onagracez, ' 3.2 Leguminosz, 1 
Grossulacez, 1 Rosaceex, 3 
Caprifoliaces, 1 Lythracece 1 
Composite, 2 Onagracee, 2. 
Ericacez, 6 Composite, 1 
Primulacex, 1 Primulacese, 2 
Borraginacee, 1 Serphuarzee, 2 
tianacee 1 J ok 
; 1 Chuapadiatta 3 
