ARBORETUM NOTES. 101 
JUGLANDEZ. 
course fall later than those of the black Walnut. Carya mara 
The leaf buds which are alike in all, and are 
characteristic—are of a peculiar brownish yellow 
colour, with a minutely downy or mealy surface, 
Juglars 
at > DF aya 
and ‘‘ naked,” z.e. not enveloped by scales. ee: 
The two trees in the arboretum have in this last 
year (1864) borne a considerable quantity of young 
fruits, but these have all dropped off when scarcely 
half ripe, and hardly larger than filberts. In this 
stage of growth the four prominent sutures, or 
‘‘wing-like ridges,’ running down the outside of 
the husk (the tube of the calyx) are very apparent. 
They often extend much more than half way 
down. 
The bark of the trunk is nearly smooth; or but 
slightly cracked, not rugged as that of the black 
Walnut is at the same age. 
(February 9th). 
JUGLANS (carya) AMARA. 
I have now no doubt that the two ‘“ Hickories”’ Juglans 
in the arboretum belong to this species. The cane 
fallen fruits which I have lately found are con- 
siderably larger than those mentioned, November 
26th of last year, but yet not nearly ripe. The 
four strong prominent ridges which run down 
along the outside of the fruit or of the calyx tube, 
are certainly what Michaux means in the ex- 
