68 Forest Club Annual 



in a U-line, twig medium size, no terminal bud, tip- 

 scar distinct. 



Plat anus occidcntalis Linn. 



d$. Terminal bud spatulate glabrous greenish red, leaf- 

 scar orbicular, two valvate bud-scales ; stipule- 

 scars, encircling twig as a continuous line, meet 

 forming a notch ; bundle-scars ten scattered, twig 

 medium size. 



Liriodendron tulipifcra Linn. 



dj- Terminal bud long lanceolate sharp pointed, many 

 scales light brown glabrous or pubescent at apex, 

 leaf-scar somewhat crescent-shaped or elliptical, 

 stipule-scars not a continuous line, one ends above 

 the other, bundle-scars about six scattered, twig 

 small glabrous reddish-brown. 



Fagus atropunicca (Marsh.) Sudworth. 

 C2. Stipule-scars distinct but small. 



di. Pith white chambered, buds small brown slightly 

 pubescent flattened against twig, stipule-scars min- 

 ute, bundle-scars three, often united into one line, 

 twigs small glabrous or pubescent, no terminal bud, 

 tip-scar not prominent. 



* Celtis occidcntalis Linn. 

 d2. Pith solid. 



ci. Buds ovate clustered at end of twig, bud-scales 

 many chestnut brown, bundle-scars many scat- 

 tered, pith somewhat five-angled, terminal bud 

 present, stipule-scars distinct. 



** Qucrcus Linn. 

 // Bud-scales loosely imbricated. 



gi. Twigs glabrous slender, dull red, becoming 

 grayish brown the second year, buds acute 

 strongly angled, scales dark brown minutely 

 pubescent, scarious margins. 



Q. nigra Linn. 



g2. Twigs coated with tomentum, stout becom- 

 ing dark brown often with glaucous bloom, 

 buds obtuse tomentose one-fourth to one- 

 third inch long, outer scales linear lanceolate, 

 inner scales wider and rounded at apex. 



Q. densi flora Hooker & Arn. 



* Compare Morus rubra. 



**The descriptions of the Oak twigs given here are taken from 

 Sargent "Silva of North America." . 



