MONOECIA, TETRANDRIA. 159 
length 6-leaved. Corolla none. Styles 2. 
Nut oval, 1-celled.—WVutt. 
1. C. leaves long-linear, alternately crenate-pin- asplenifolia. 
natifid.— Willd. 
Liquidambar peregrinum, Syst. Veg. 860. 
L. asplenifolium, Sp. Pl. 1418. 
Icon. Bart. Veg. Mat. Med. U. S. vol. 1. t. 19. 
Sweet Fern. Fern-leaved Gale, §c. 
About two feet high. Whole plant possessing a fine aro- 
matic, resinous odour. Possesses medicinal properties. (See 
Bart. Veg. Mat. Med. U.S.) In Jersey, on the borders of 
woods; very common. On the high banks of the Wissahick- 
on, abundant. Perennial, April. 
A 
ORDER IV. TETRANDRIA. 
349. ALNUS. Willdenow. Sp. pl. 4. p. 334. (Amentacee.) 
Masc. Ament composed of 3-flowered, cu- 
neiform truncated receptacles. Calix the 
scales of the ament. Corolla 4-parted. Fem. 
Calix scales 2-flowered. Corolla none. } 
Seeds compressed, ovate, apterous.—Vutt. : 

1. A. leaves obovate, acuminate; veins and axills serrulata. 
of the veins hairy underneath; stipules ellipti- 
cal-obtuse.— Willd. 
Betula serratula, Ait. 
B. rugosa, Ebrh. | 
Icon. Mich. f. Arbres forest. vol. 5. p. 320. t. 4. “4 
Common Alder. Candle Alder. Hazel Alder. Py 
A shrub from five to twelve feet high, growing in great 
quantities along the margins of all our waters, and in swamps. 
it is said to possess medicinal properties. . March, April. 
- 
_— 
2. A. leaves subrotund-cuneate, obtuse, subretuse, giutinosa? 
* glutinous; axills of the veins villous beneath.— 
M Wild. 

