JIaxdbook of Tkkks of tiik Xoi;iiii:i;.\ Staii.^ and ('a.nada. 4r>5 



species are found within (lie I'liitcd States, all arhorcsci'iit tlioii','li oiu' is mori' coiiiinoniy a 

 shrub than a tree. 



fjcari'S deciduous, (idd-pinnalcly (•nni|»)un<l. pi'i iolatr ; Icnllns <'<indii|ili(atc in the l.nd and 

 usuall.v serrate. Flouos in early spring;, from the axils of tiir lisncs of tin- pn-vions season, 

 mostly dioecious or polygamous (occasionally perfect) in fasciculate panicles; calyx small, 

 campanulate or none; corolla 2-4-parte(l or none; stamens usually L' with short terete filaments 

 and large oblong anthers opening by lateral slits; ovary mostly li-cfllcd with single style and 

 2-lobed stigma. Fruit a samara, with terete or somewhat llattened and usually 1-seeded body 

 and terminal wing; seed elongated, pendulous. 



Fraxinus is the ancient Latin name of the Asli-tnc. 



Ki:V TO TIIK SI'KCIKS. 



a Samara with seed-bearing iiortion llattened and wing extending the entire length 



b Lateral leaflets sessile; calyx in the fertile llowers none F. nigra. 



b= Lateral leaflets stalked; calyx i)resent 



Samara obovate to sjiatulate ; twigs terete F. Caroliniana. 



Samara elliptic to sjiatulate ; twigs 4-sided F. quadrangulata. 



a- Samara with seed-bearing iiortion subterete ; wing not extending to base; leaflets stalked; 

 calyx present in fertile flower 

 b Wiiig almost entirely termimil — slightly if at all decurrent on body 



c Leaves and branclil(>ts glabrous or nearl.v so F. Americana. 



c- I^eaves beneath and branchlets pubescent F. Biltnioreana. 



b" Wing decurrent somewhat on sides of body but not to base 

 c Wing of samara spatulate 



d Branchlets and leaves glabrous or nearly so ; leaves green beneath. 



F. lanceolata. 

 d- Branchlets and petioles velvety pubescent 



Samara less than 2 in. long ; calyx small F. Pennsylvanica. 



Samara mostly 2 in. long or more; calyx enlarged F. profunda. 



c' Wing of samara long-linear F. Darlingtonii. 



For species see pp SiS'i-'VJ'J (tnd the foUoiciiig: 



DAKiJXCiTOx Asir. F. DarVnif/tonii Britt. This is a little known siiecies described from 

 material from Lancaster. I'a., and is similar to the F. hinceohifa and F. Pcniifinlrdiiird. with 

 foliage and twigs pubescent or glabrate and samara 2-o in. long with linear wing decurrent 

 upon the seed-bearing portion one third to one fourth its length. 



THE FRINGE-TREES. Gexus CHIOXAXTHUS L. 



Trees or small shrubs of two species one of the middle and southern United States and 

 the other of China. 



Leares simple, deciduous, opposite, conduplicate in the bud. FInirers perfect or poly- 

 gamous, white, in loose drooping jianicles from the axils of the leaves of the i)receding season: 

 calyx small. 4-parted. inferior, persistent ; corolla of 4 linear white petals slightly united at 

 base; stamens 2. inserted on the base of the corolla, with very short terete filaments and ovate 

 ai)icnlate anthers; ovary ovoid with short columnar style and thick fleshy 2-lobed stigma; 

 ovules 2 in each cell, pendulous. Fruit an ovoid or oblong druiie tii)ped with the remnants of 

 the style, nearly black thick skin, dryish flesh and usually 1 but sometimes 2 or li thick-walled 

 crustaceous stones. 



The name is from two Greek words m(>aning suou'-fiou-er. 



For species sec pp. .'I'HI-JfOl. 



THE FORESTIERA. Gfxus FORESTIERA Poir. (ADELTA P. Br.) 



Shrubs or small wide-branching trees of about fifteen species natives of America. Six or 

 8 species are found in tin' southern fnited States, one of these only attaining the dignity of a 

 tree, and that ranging as far north as southern Illinois. 



T, eaves simiile. oiii)osite. deciduous or rarely e\(M-gretMi. an<1 usuall\ small. Floircrs small 

 and mostly jiolygamous. yellowish or greenish, diiecious. apjiearini: liefore the leaves in fas- 

 cicles or racemes from scaly buds in tlie axils of the leaves of the jirevions year: calyx with 

 very short tube and 4-r> inieciual lobes: corolla none or with 1 or 2 deciduous petals: sta-'-eiis 

 2-4 with extrorse anthers; ovary ovoid. 2-celled. with slender style and thick usually 2-loi)ed 

 stigma and 2 i)endulons ovules in each cell. Fruit a druin' with 1 or 2 seeds with membranous 

 testa and fleshy albumen. 



The name" is in compliment to M. Forest ier. a French iihysician. 



For speeii s sec pp. J/O^-.'/OS. 



