340 XEW EXGLAXD TREES IX WINTER. 



THE ELMS 



Ulmus. 



Leaf-soars alternate, 2-ranked. semi-circular, small, but conspicuous. 

 covered with a liglit corky layer: bundle-scars prominent. 3 to several, 

 sunken; terminal bud absent, lateral buds medium sized with 2 ranks 

 of over-lapping: bud-scales: twigs slender; bark ridg-ed; fruit small, flat, 

 winged, ripening in spring. 



137. Twigs gray and rough and strongly mucilaginous: tips of buds 

 conspicuous T\-ith long rusty hairs. Slippery Elm (Ulmus fuiva)Q.47i{\ 



137. Twigs neither gray and rough nor strongly mucilaginous; buds 

 without long rusty hairs 13S 



13S. Buds chestnut brown: bud-scales with darker margins; bark 

 ridged : native species 139 



13S. Buds smoky brriwn to almost black: bud-scales nearly uniform in 

 color, bark firmer, roughened into dark oblong blocks; trunk 

 mostly continuous into crown with stout limbs arising at a broad 



angle; head. "Oak-like;" European species 



Eng-lisli Elm iVhiiKS canipestris I p.4T>S 



139. Twigs often with corky ridges; trunk generally continuous into 

 crown with stiff dependent lower branches: head narrow. "Hickory- 

 like." Cork Elm (T'Jmus racemosa / p.4ti:! 



139. Twigs without corky ridges: trunk dividing into several limbs, 

 spreading gradually' up^vard and gracefully recur\-ing; head broad, 

 "Elm like." AVhitc Elm. (VJuiiis ainericana) p.4U0 



THE MULBERRIES 

 Morus. 



Leaf-Pcars alternate. 2-ranked. nearly circular: st ipnle-scars narrow; 

 bundle-scars projecting in a closed ring: or irregularly scattered; ter- 

 minal bud absent; bud-scales 2-ranked; twigs with milky juice. 



140. Buds about as broad as long, more or less flattened and appressed. 

 generally- under 4 mm. long; bud-scales reddish brown without 

 darker margins AVliite Mulberry ^l/on(S n/Sa; p.4(i.S 



140. Buds longer than broad, not at all or but slightly flattened, diver- 

 gent, generalb' over 5 mm. lemg; bud-scales greenish brown with 

 darker margins Red Mulberry (Morus ni6rayp.4«6 



THE MAGNOLIAS 



Magnolia. 



.._ — ^.^„.., ...^^t.ju.»i_T .^■.ti.LL'^i.r.u r_ii 111 a. i_i'_iuunr ii_'n, i.i>ip,.3 a rem a 1 1 c i 

 fruit a cone made up of numerous follicles which split open in the 

 autumn and let out the large flattish seeds. 



141. Buds large 1'-r,(\ mm. long, twigs stout, leaf-scars large 142 



141. Buds small 10-20 mm. long; twigs slender; leaf-scars small ... 143 



142. Buds densely pale-downy; twigs light yellowish to bluish -green, 

 more or less downy, fruit nearly spherical. Lara-e-leaved Mnft-nolia, 



Large-leaved Cucumber Tree. Large-leaved Umbrella Tree 



(Magnolia ynacrophyUa Michx.) under Comparisons p.470 



142. Buds smooth: twigs brown; fruit elongated 



L'mbrella Tree (Magnolia tripetaJa) p.472 



143. TT\'igs bro\vn : leaf-scars narrow, crescent to U-shaped; buds blunt, 

 densely driwnv; bark flakv; a tree; in New England found onlv in 

 cultivation Cucv"**"" t^^-" /^^r,r,^,r.Ji^, ^,^„»,,h«^« i« im 



