MONOECIA, POLYANDRIA. 
179 
3, C. folioles 5, large, on long petioles, ovate-acu- squamosa, 
minate, serrated, villous beneath, the odd one 
sessile ; masculine aments compound, glabrous 
and filiform : fruit globose, depressed, large : 
nut compressed, whitish. — Mich.f. 
Juglans squamosa, Mich. f. 
J. compressa, G^rt., Willd. ; and Muhl. in nov. 
act. soc. nat. scrut. berol. 3. p. 390. 
J. alba, Mich. fl. Am. and Pursh. 
Icon. Mich. f. Arbr. forest. 1. t. 7. 
Shell-hark Hickory. Shagg-bark Hickory. Scaly- 
bark Hickory. 
The common shell-bark nuts which are so well-known and 
so highly esteemed, are the fruit of this tree. In ail our woods, 
frequent. \i . April. 
leaflets about 5, oblong-lanceolate^ sharply serru- ^ microcarpa, 
late, and conspicuously acuminate, on both 
sides smooth, beneath glandular, terminal leaf- 
let subpetiolate ; fruit subglobose, pericarp thin ; 
nut partly quadrangular, small and rather thin 
shelled, mucro obsolete, truncate. — 
Juglans compressa, «. microcarpa, Muhl. 
Carya microcarpa, Nutt. 
On the banks of the Schuylkill, on the road to the falls. 
This is rather a variety of No. 2, as Muhl. considered it, than 
a distinct species, as it is made by Mr. Nuttall. \i . May. 
4. C. folioles 7-9 pairs, slightly serrated, conspi- tomentosa. 
cuously villous beneath, the odd one sub-petio- 
late ; aments compound, very long, filiform, re- 
markably tomentose ; fruit globose or oblong ; nut 
quadrangular, thick and very hard..^ — Mich.f. 
Juglans alba, Willd. 
Icon. Mich. f. Arbr. forest. 1. p. 186. t. 6. 
Common Hickory. Mocker-nut Hickory. White- 
heart Hickory. 
This is the commonest species in our neighbourhood. The 
