656 OLEACEAE 



4-lobed, or wanting. Corolla in ours wanting, otherwise rarely present, of 4 dis- 

 tinct or more or less united petals. Stamens 2, rarely 3 or 4; filaments short or 

 elongate, inserted at the base of the petals, or hypogynous; anthers linear or 

 oblong, introrse. Ovary 2-celled; styles united; stigma 2-cleft; ovules 2 in each 

 cell, pendulous. Fruit a samara. 



Flowers polygamous; leaves simple or rarely 3-foliolate. 1. F. anomala. 

 Flowers dioecious; leaves pinnately 5-9-foliolate. 



Leaflets sessile, rather thin. 2. F. campestris. 



Leaflets petiolulate, thick, subcoriaceous. 3. F. coriacea. 



1. F. anomala Torr. A small tree, 5-10 m. high, with 4-angled twigs; 

 leaves simple, slightly pubescent when young, soon glabrate, petioled, ovate, 

 rounded, rhombic-ovate or even subcordate, acute to rounded at the apex, 3-5 

 cm. long, or rarely 3-foliolate, with rhombic-ovate or rhombic-lanceolate leaf- 

 lets; calyx campanulate, with 4 erose teeth; samara oblong or obovate, 1.5-2 cm. 

 long; wing extending around the body. Canons: s Utah sw Colo. Ariz. 

 Son. Submont. Ap-My. 



2. F. campestris Britton. A tree, 8-12 m. high, with round twigs; leaves 

 mostly 7-foliolate; leaflets ovate to lanceolate, usually long-acuminate, toothed, 

 more or less hairy beneath or glabrous on both sides, 3-10 cm. long; calyx small, 

 4-toothed; samara spatulate, about 3 cm. long; wing narrow, decurrent on the 

 body to the middle or below. Valleys and hillsides: Man. Kans. Wyo. 

 Sask. Plain. 



3. F. coriacea S. Wats. A tree, 10-12 m. high; twigs light gray, somewhat 

 hairy; leaves 5-foliolate, rarely 3-foliolate; leaflets thick, rhombic-lanceolate, 

 oblong, or elliptic, 5-8 cm. long, usually more or less acuminate at both ends, 

 somewhat toothed to nearly entire, smooth and shining above, more or less 

 pubescent beneath; calyx campanulate, with lanceolate teeth; samaras narrowly 

 oblanceolate, 2-3 cm. long, 5 mm. wide; wing decurrent on the body to about 

 the middle. Dry regions: Nev. Utah Ariz. s Calif. Son. Ap-My. 



2. FORESTIERA Poir. 



Shrubs or trees, often widely branching. Leaves opposite, simple. Flowers 

 inconspicuous, polygamo-dioecious, appearing before the leaves. Calyx usually 

 present, but small, 4-6-lobed. Corolla usually wanting, rarely with 1 or 2 decidu- 

 ous petals. Stamens 2-4; anthers extrorse. Ovary 2-celled; stigma thick, 

 sometimes 2-lobed; ovules 2 in each cavity. Fruit a drupe; seeds solitary, 

 rarely 2. Endosperm fleshy. [Adelia P. Br.] 



1. F. neomexicana A. Gray. Shrub, 1.5-3 m. high, glabrous; leaves 

 spatulate-oblong, obtuse or obtusely acuminate, 1-4 cm. long, obsoletely crenate; 

 pistillate flowers in sessile fascicles, pedicelled; calyx minute, persistent; drupe 

 black, ellipsoid, obtuse; staminate flowers fasciculate, sessile, with yellowish 

 deciduous bud scales. Adelia neomexicana Kuntze. Dry regions: w Tex. 

 Colo. Utah Ariz. Son. Ap. 



3. MENODORA H.B.K. 



Shrubs or under shrubs, rarely herbs. Leaves opposite or alternate, simple, 

 entire, toothed, or lobed. Flowers solitary at the ends of the branches, sometimes 

 cymose. Calyx persistent; tube very short; lobes 5-15, narrow. Corolla white, 

 yellow, or reddish, rotate to campanulate; lobes 5 or 6, imbricate. Stamens 2 

 or 3, exserted. Ovary 2-celled; stigmas capitate; ovules 4, rarely 2. Capsule 

 membranous, didymous. Seeds usually 2 in each cavity. 



1. M. scabra A. Gray. An undershrub, woody and branched at the base; 

 herbaceous stems 1-3 dm. high, flax-like; leaves mostly alternate, linear or 

 oblong, entire, 1-2 cm. long, scabrous, thick, subcoriaceous; flowers cymose; 

 corolla rotate, bright yellow; lobes obovate, 6-8 mm. long; calyx-lobes 7-15, 

 linear or subulate; fruit didymous-obcordate, 7-8 mm. high. Dry and arid 

 regions: w Tex. s Utah Ariz. Son. Submont. My-Au. 



