330 PRAOTIGAL BOTANT. 



ORDER CVIII. 



myeicace^, oe gatewoets. 

 Gbneea : 



1. Myrica, L. Bayberry. Wax-Myrtle. Species 2. 



2. Comptonia, Solander. Sweet Fem. Species : 



G. asplenifoUa, Ait. 



ORDER CIX. 



BETULACE^, OE BIECHWOE'fS. 



1. Betvla, Toum. Birch. Species 7. 



2. Alnus, Toum. Alder, ^ecies 3. 



ORDER ex. 



salicace^, oe willow-woets. 

 Geneea : 



1. Salix, Toum. Willow. Osier, Species 22. 



2. Populus, Toum. Poplar. Aspen. Species 6. 



Class II. of the Exogens : Gymnosperms. 



ORDER CXI. 



CONIFEE^, OE CONIPEES. 



SuB-OEDBE l.—Abietinece. The proper Pine Family. 



Geneea : 



1. Pinus, Tourn. Pine. Species 8. 



2. Abies, Tourn. Spruce. Fir. Species 5. 



3. Jjarix, Tourn. Larch. Species : 



Ziarix Americana, Mx. Black Larcli. 

 Tamarack. Hackmatack. 



SuB-OEDEE II. — CupressinecB. The Cypress Family. 



4. Thvja, Tourn. Arbor-vitse. Species : 



TJi. occidentalis, L. 



