£06 MONOECIA, TETRANDRIA. 



clusively indigenous to India and the tropical regions ot 

 America. 



55, COMPTONIA. Gan-tner, (Sweet-Feni.) 



Masc. Amcnt 03 liridric, scales 1 -flovvrred; co- 

 rolla none. Stamina 3 or 4, filaments simple. 

 Fem. ^ment ovRte, C«/i.r at length 6-leaved. 

 Coro//a none. Styles 2. JVwf oval, 1 -relied. 



A low and odorous shrub nearly allied to JMyvica Gale,- 

 leaves oblong and sinuated, resembling the partial fronds 

 of a fern. 



Species. C asplenifolia. — The only one of the genus. 



736. TRAGIA. L, 



Masc. Calix 3-parted. Corolla none. Fem. 

 Calix 5-parted. Corolla none. Style trifid. Cap- 

 sule tricoccous, S-relled. Seed solitary. 



Stems shrubb}- or herbaceous, scandent or erect; leaves 

 alternate, stipulate; flowers bracteate, axillary and spiked; 

 female flowers at the base of the same spike, or in the 

 same axill and distinct. 



Species. 1. f. ureiis. 2. urtidfolia. 3. macrocarpa. 



A tropical genus principally indigenous to India and the 

 warmer parts of America. 



Orper IV.— TETRANDRIA. 



73r. ALNUS. Willd. (Alder.) 



Masc. w3?ne7i« composed of 3 flowered, cu- 

 neform truncated receptacles. Calix the scales 

 of the anient. Corolla 4-parted. Fem. Calix 

 scales 2 -flowered. Corolla none. Seeds coin- 

 pressed, ovate, apterous. 



Trees or shrubs, with alternate entire and stipulate 

 leaves; aments axillary. 



Species. 1. A. gluHnosa. In Canada, Ph. 2. crispa. S- 

 serrulata—0^ this^ genus there are 2 other species indi- 

 genous to Europe. 



