PLATE IV. TYPES OF LEAVES. 



1. Black Cherry (simple). 



2. CommoD Locust (componml). 



3. Chestnut (alternate arrangement). 



4. Sugar Maple ioi)rM>!5ite arrangement). 



5. White Pine (5-cIustered). 



6. Pitch Pine (3-elustered). 



7. Jersey or S<rul> Pine (2-rlusteretl). 



8. Larch (many clustered). 



9. Larch ( many clustered at base ; solitary on 



leading shoots). 



Drawings are about one-lialf natural size. 



10. Red Spruce (4-sided). 



11. Balsam Fir lUat and sessile). 



12. Hemlock (flat and stalked). 



J3. Red Cedar (scale-like needles). 



14. Arbor Vitae (scale-like needles). 



15. Arbor Vitae (section enlarged showing glanda 



on leaves). 



16. Red Cedar (awl-sliaped needles). 



