STAFF-TREE FAMILY 549 



cium of a compound pistil; ovary 3-5-celIed; stigma with as many mconspicuous 

 lobes; ovules 2 in each cavity, ascending. Capsule 3-5-lobed, angled or wmged, 

 loculicidal. Seeds 2 in each cavity, surrounded by an orange or scarlet aril. 



1. E. atropurpureus Jacq. A shrub or small tree, 1-8 m. high; leaf- 

 blades elliptic to ovate or obovate, 5-16 cm. long, acuminate, puberulent, crenate- 

 serrate; flowers trichotomously cymose; corolla dark purple; petals 4, subor- 

 bicular, 2-3 mm. long; capsule 4-lobed, pendulous, not warty, depressed, the 

 lobes wing-like; seeds 8-10 mm. long, with a scarlet aril. River banks: JN.Y.— 

 Fla. — Okla. — Mont. Plain. Je. 



3. PACHYSTIMA Raf. Mountain Lover. 



Low, depressed evergreen shrubs. Leaves opposite, leathery, toothed or 

 entire. Flowers solitary or clustered in the axils of the leaves. Sepals 4. i^etals 

 4, greenish. Stamens 4, inserted under the flat, 4-angled disk ; filaments short 

 Ovary 2-celled; style very short; stigma obscurely 2-lobed. Ovules 2 m eacn 

 cavity, erect. Capsule 2-celled, somewhat flattened, not lobed, 2-valvea. 

 Seeds surrounded by a white aril. 



spreading 



nearly as broad as long; stigma rminded.^ ^ ^^^ .>,,„,.o..-n. ±Hn„.rt^ h to ti 



nin: 



midrib 



stigma sIightlf2-lobed: anthers equalling the fllaments 2. P. ^^crophjl^a. 



Stigmas deeply 2-cleft; anthers much shorter than the filaments. 3. F. bcnaejren. 



1. P. Myrsinites (Pursh) Raf. Shrub 2-5 dm high; branches usually 

 ascending, brown, with 4 dark ridges; leaf-blade oval or elliptic, with dentate 

 thickened, and revolute margins, yellowish green, 1-3 cm. long; lateral veins 6-i 

 pairs; flowers numerous, odorless; sepals broadly oval, with famt midribs, ob- 

 tuse; petals oval or ovate; filaments twice as long as the anthers. J>oodeci tulis 

 and mountains: Alta.—N.M.— Calif.— B.C. SubnionL—Mont. My-Au. 



2. P. macrophyllum Farr. Shrub 4-6 dm. tall; branches cmnamon- 

 brown, with 4 dark brown ridges, loosely spreading; leaf-blades oval-elliptic or 

 oblanceolate, 2-t cm. long, with 6 pairs of lateral vems, bluish green above, 

 bright green beneath; margins serrate and revolute; flowers few; sepals ovate, 



• ■i ° • . -1 -i - .:_i.„j. „«+„!„ ^-.ro+zi- filamcn+c! pmiflliiner the anthers. 



lami 



Mountains: B.C. Mont. My-Je. 



3. P. SchaefEeri Farr. Shrub about 5 dm. high; branches spreading, dark 

 brown; leaf-blades lanceolate to linear-lanceolate, the veins 6-7 pairs blunt- 

 toothed above, not revolute, bright green; flowers fragrant, numerous sepa^ 

 and petals as in the preceding; filaments L5-2 tmies as long as the anthers. 

 Mountains: B.C. My-Je. 



4. MORTSNIA a. Gray. 



Intricately branched low shrubs, with often hispid twigs, leaves alternate, 



thick, entire, 1-nerved, with abortive stipules. Fl«^'«^|,.*^>:rr^^'o,Fnd ova^" 

 cymose, perfect. Sepals and petals 5. Stamens 5. Pistil compound ovarj 



S^eUed; sV short, terminal; ^ti.- Mobed; o^^^^^^^^^ J-t^dry, 



aril. 



M 



1. m. utahensis (Coville) Rydb. A shrub about 1 m. 1^/8^,^^.^ sea- 

 branches and yellow bark; twigs scabrous-hispidulous J^^f-^^^^^*^;'^^^^^^ 



brous^ispidulous, oval, 8-13 mm. long, entire: P^^^^^f , °f "^^'l^'^f "^.^^S 

 3-5 cm. long; sepals lanceolate-triangular 2 mm. long; petals 3 mm. long broad^ly 

 obovate, creUlate on the margins, white. Arid regions: Utah-^e^. Ariz. 



Son. 



5. FORSELLESIA Greene. 



Small shrubs, with green, glabrous. ^J^^f'^'^'-^'Zt^'^.itTlnt^^ 

 small entire with adnate setaceous stipules. Flowers axillary, subsoiitarj, 

 Set. Sepals and petals 4-6. Stamens more nmnerous. usually twice as 



