. Exogene. 31 
494. P. grandidentata. Large American aspen. Ap. 40 to 
50 f. Hillssnear Cin. O. 
LXXXV. PLATANE/E.—THue PLANE TRBE. 
495. Platanus occidentalis. Sycamore. Buttonwood. Ame- 
rican plane tree. May. 60 to 100 f. b. bt. W. 
496. LiquidambarStyraciflua. Sweet gum tree. May. Large 
tree. Low woods. W. Fragrant, aromatic. Said to 
be medicinal. | 
LXXXVI. MYRICE/Z.—T ue GaLz TRIBE. 
497. Myrica cerifera. Bayberry. Wax myrtle. May-June. 
2 to l0f. %. Shady woods. Sandy situations, &c. 
Presque Isle, Lake Erie. The berries yield a valua- 
ble greenish wax. Astringent, emetic, narcotic. Beach. | 
Big. Med. Bot. iii, | 
498. M. gale. Sweet gale. Dutch myrtle. May. 3to5f. bk. 4] 
bg. Lake Sup. Houghton. | 
499. Comptonia asplenifolia. Sweet fern. Ap.May. 2 to 4 
f. bh. Woods, &c. Louisville, 7’ Murt. Astringent, 
tonic. Bart. Med. Fl. i.224. Raf. Med. Bot. i. 115. 
LXXXVIIl. JUGLANDE/E.—THE WALNUT TRIBE. 
500. Juglans nigra. Black walnut. Ap.-May. 50 to 60f. 4. 
Fertile woods. W. A most valuable and beautiful 
timber, resembling mahogany. 
501. J. cinerea. Butternut. White walnut. April-May. 
Large tree. bt. &c. W. Cathartic. Big. Med. Bot. i. 
REE 
502. Carya alba. Shag-bark hickory. Ap.—May. Large tree. 
Fertile woods. W. Timber valuable. 
503. C. sulcata. Shell-bark hickory. Ap.-May. Large tree, 
excellent for fuel, &c. Fertile soils, Ky. O. 
504. .C. amara. Bitier-nut. May. Large tree. Woods. O. 
Ky. 
505. C. a Pig-nut. Broom hickory. May. Large tree, 
with tough wood. Woods. Ky. Sé 
506. C. tomentosa. Common hickory. Ap.—May. Large 
and valuable timbertree. Fertile woods. W. O.. 
507. C. oliveformis. Pecan nut. Ap. Grows in West. Tenn. 
Ky. St. Louisville, M’Murt. 
— LXXXVIII. EUPHORBIACEE.—Tue rvpnorsium TREE 
508. Euphorbia corollata. Flowering spurge. July-Aug. wm» we 
lito 2f. x4. dp. cf. O. Ky. Emetic, diaphoretic,ex- 

