178 MONOECIA, POLYANDRIA. 
366. CARYA. Nutt. Gen. Am. pi. vol. 2. p. 220. {Amentacea.) 
Masc. Ament imbricated. Calix 3-parted 
scales. Corolla none. Stamina 4 to 6. 
Fem. Calix 4-cleft^, superior. Corolla 
none. Styles none. Stigma partly discoid^ 
4-lobed. Pericarp 4- valved. JVut sub- 
quadrangular^ even. — JSTutt. 
cathaitica. 1. C. foliolcs aboiit 15, lanccolatc, roundish-ob- 
tuse at the base, tomentose beneath, slightly 
serrated ; fruit oblong-ovate, viscid, on a long 
peduncle; nut oblong-acuminated, remarkably 
rough . — Mich. f. 
Juglans cathartica, Mich. f. 
J. cinerea, Willd. 
J. oblonga. Mill. Diet, and Retz. Obs. 1. p. 10. 
Icon. Mich. f. Arbr. forest. 1. t. 2. 
Butter-nut. Oil-nut. White Walnut. Purging 
Hickory-nut. 
I have met with this tree several times in this neighbour- 
hood, where it had the appearance of being indigenous, •> 
April, May. 
laciniosa. C« Icavcs large; folioles 7-9 pairs, ovate, acu- 
minate, serrated, sub-tomentose, the odd one 
petiolated ; fruit large, ovate ; nut oblong, thick, 
moderately compressed. — Mich.f. 
Juglans laciniosa, Mich. f. 
J. compressa, /3. macrocarpa, Muhl. 
J. mucronata, Mich, fl. Am. 
J. sulcata, Willd. and Pursh. 
Icon. Mich. f. Arbr. forest. 1. 1. 8. 
Thick Shell-bark Hickory. Springfield or Glou- 
cester -nut. 
This species is frequent about twelve miles from Philadel- 
phia, near Springfield. I have found it a mile or two south-east 
of Woodbury. Ij . April. 
