582 ELAEAGNACEAE 



1. E. commutata Bernh. Shrub or small tree, 2-5 m. high, with brown- 

 scurfy twigs; leaf -blades oblong or eUiptic, densely silvery, scurfy on both sides, 

 2-10 cm. long; flowers 1-3 in the axils, fragrant, 12-16 mm. long; perianth silvery 

 without, yellowish within; sepals ovate, 2 mm. long; fruit ellipsoid, silvery, 8-12 

 mm. long; stone 8-striate. E, argenlea Pursh. Banks and hillsides: Que.— 

 Minn.— S.D.— Utah— Yukon. Plain— SubmonL Je-Jl. 



2. LEPARGYRAEA Raf, Buffalo-berry, Bull-berry. 



Shrubs, with silvery or brown, scaly or stellate pubescent. Leaves opposite, 

 petioled. Flowers small, dioecious, in small clusters at the nodes of preceding 

 season. Hypanthium of the pistillate flowers urn-shaped or ovoid, bearing an 

 8-lobed disk at its mouth. Stamens 8, alternate with the lobes of the disk. 

 Frmt drupe-Uke. [Shepherdia Nutt.] 



Leaves green above; shrub not thorny. 1 L. canadensis, 

 Leaves silvery white on both sides ; plant usuaUy thorny. 



Leaves oblong; fruit elhpsoid; tall shrub or small tree. 2. L. argenlea. 



Leaves rounded-oval or ovate; fruit globular; low shrub. 3. L. rotundifolia. 



1. L. canadensis (L.) Greene. A thornless shrub, 1-3 m. high, with brown 

 scurfy branches; leaves ovate or oval, silvery stellate and brown-scurfy spotted 

 beneath; flowers brown without, greenish yellow within; fruit rounded-ellipsoid, 

 red or yellowish, 4-6 mm. long, insipid. Shepherdia canadensis (L.) Nutt. 

 Woods and banks: Newf.—N.Y.— Mich.— Colo.— Utah— Ore.— Alaska. Sub- 

 monL— Suhalp. Ap-Je. 



2. L. argentea (Nutt.) Greene. A shrub or small tree, 2-7 m. high, with 

 whitish, more or less thorny branches; leaves oblong, 2-5 cm. long, rounded at 

 the apex, acute at the base; flowers brown; fruit rounded-ellipsoid, sour, scarlet, 

 red, or golden yellow, 4-6 mm. long. 5. argenlea Nutt. River banks: Sask.— 

 Man.— Kans.— N.M.— Nev.— Aha. Plain— SubmonL Ap^My. 



3. L, rotundifolia (Parry) Greene. Low densely branched shrub, with 



-un^ 



-^^^to, «v«,..zx^a,Lc ixuv^eia lu o s, zae pistuiate solitary, silvery without; iruu; gioou- 

 lar, scurty, b. rotundifolia Parry. Bare clayey soil: s Utah. Son. Mr. 



Family 90. LYTHRACEAE. Loosestrife Family. 



Herbs, rarely shrubs or trees, with opposite or alternate, mostly entire 

 leaves. J^ lowers perfect, solitary or in axillary clusters or cymes. Hypan- 

 tnium from globose or campanulate to cylindric, enclosing but free from the 

 ovary. Sepals 4 or 5, often accompanied by as many accessory teeth. 

 Petals 4 or 5, or wanting. Stamens few or many, in one or several series. 

 <jynoecium of several united carpels: ovary 2-6-ceIled, rarely 1-celled; 

 styles umted. Fruit a capsule, rarely indehiscent. 



_ Capsule seoticidal. 2 Rot.\LA. 



3. LYTIIHUII. 



ium cylindric 



1. AMMANIA (Houston) L. 



M t^v^} -Sf' ^''*^ 4-angIed stems. Leaves opposite, entire, usually auricled 

 pJrnnLi^fof'. f ^«^'ers sohtary or cymosely clustered in the axils. Hypanthium 

 ^^^n wt^' tr^^^**' becommg subglobular. Sepals 4, usually with as many 

 smau teeth m the smuses between them. Petals 4, early deciduous. Stamens 

 r?T;«„i; '^' ^'^'^glo^^ose. usuaUy 2-4-celled; styles filiform: stigmas capitate. 

 Capsule membranous, burstmg hregularly. Seeds angular, With coriaceous coat. 



rim V^iti; coccinea Rottb. Annual; stem erect, glabrous, branched below, 1.5-5 

 iSlkK'tf K™^' leaves hiiear or hnear-lanceolate, acutish at the apex, aur- 



S^ nPtnll ™, T' ^""^""^^"^ "^^^ ^^^g; flowers 1-5 iA each axil, sessile or nearly 

 so, petals purple, early deciduous; style elongate, very slender, usually more 



