148 The American Naturalist. [February, 
A TABLE SHOWING THE RELATIVE DISTRIBUTION SOUTHWESTWARD 
AND SOUTHEASTWARD OF CERTAIN DISTINCTIVELY BOREAL GENERA 
or NORTH AMERICAN SPERMAPHYTES: 
Po oe Ee o ae zp 
B FE gE p FES 
fe as B Se 88 
: z5 F 3 zs 53 
Anemone, fe co 3 Potentilla, 46. ee 
Ranunculus, oa: y i Rosa, I9 o See 
Caltha, 5 I I Saxifraga, 38 a 
Aquilegia, 5 7 I _ Mitella, 5 fai 
Delphinium, et ee Huchera, ye 
Nymphea L., 4 2 2 Parnassia, 5 Reece 
Cardamine, ~~ 5 3 Epilobium, 17 
Draba, 26 14 E. Peucedanum, 9 r a 
Arabis, t5 8 6 Lonicera, 12 koe 
Lepidium, ay Eee Galium, 17: ee 
Sisymbrium, i 4 3} Valeriana, 6 Ae 
Nasturtium, & > i Campanula, ro Fa 
Viola, mo oG 16- Vaccinium, “apo Aa : 
Silene, ir. 6.6 Bryanthus, ee Sac 
Lychnis, II 3 o Kalmia, 4 te : 
Arenaria, w i 2 Ledum, 4 Pe 
Stellaria, D 8:3 Pyrola, 14 eee 
Cerastium, 12 4 4 Primula, gs 
Sagina, a yg Gentiana, 299 H 
Claytonia, 13 5 2 Veronica, 6. a : 
Geranium, 9 7 2 Castilleja, 6S - 
Oxalis, 4 3 3 Plantago, 17 6 45 i 
Lupinus, io Ti 3 Betula, E e 3 re 
Trifolium, 20 fto 6° Alnus, Me re a. 
Vicia, 5 4 Salix, 62:10 ae 
Spiræa, 8 3 2 Populus, Lo 4 = oe 
DalibardaL. 22 6 % Habenaria, no aao 
m, i o i Cypripedium, eee co 
Fragaria, - 4 3 I Unifolium, 7 oe a 
In glancing over this table it will be seen that such larger ¢ r and m 
widely distributed genera as Ranunculus, Draba, Stellaria, 17 
Potentilla, Saxifraga, Epilobium, Pyrola, aT ang 
very clearly extended southwestward much mor abun 
