NOTES ON THE BOTANY OF MANITOBA. 291 
Astragalus caryocarpus Ker. Known as ‘the Buffalo Bean.” 
Fairly common on the prairie in dry places. I did not see it in 
enness and becomes brown and dry, as it afterwards does. The 
is, however, not very obvious in what way they do so, as the beans 
year after year remain scattered round the plant, a few being added 
each summer, till I have sometimes seen over a score, in all stages 
liking for them. Probably, therefore, the structure of the bean is 
intended to ensure the dispersion of the seeds while passing through 
the stomach of the buffalo. It would be interesting ow 
whether, now that the buffalo is exterminated, this plant will not 
A. canadensis L, The prairie about Carberry. Rare. Flowers in 
August. — A. adsurgens Pall. le about Carberry. Not rare. 
Flowers in July. — A. monticola. Prairie near Carberry. Not 
uncommon. y: os 
= Oxytropis Lamberti Pursh, Prairie round Carberry. Not rare. 
Glycyrrhiza lepidota Nutt, Not uncommon in moist places on 
the prairies, and o of bluffs. I only saw the seeds. 
This is another plant which evidently is specialised to make use of 
the buffalo in the dispersal of its seeds. From Macoun’s statements 
it may be seen that the range of the two ee pretty much identical. 
i any sh 
hump, head, and tip of the tail. With them, and on some of the 
robes only, were some much er seeds, at least an inch in 
length, and evidently belonging to some allied species, though I 
