292 OKDEK 112. EL^EAGNACE/E. 



B. distychopliylla Torr. Mountains of E. Tenn. Shrub 10 20f ; leaves ovate, 

 acuminate ; fruit 8 9" long, resembling that of Forestiera. 



3. PYRULARIA, MX. OIL-NUT. Fls. $ ? . Calyx 5-cleft, half-adhe- 

 rent by the 5-toothed disk. Style 1, stigmas 2 or 3. Drupe pear-shaped, 

 1 -seeded, with the albumen very oily. > 



P. pnfoera MX. Shrub 4 6f, spineless, with oval-oblong leaves and email greenish 

 flowers in terminal racemes ; drupe? 9". Mountain streams, Pa., and S. May. 



ORDER CXI. THYMELACE^E. DAPIINADS. 



Shrubs with a very tough, acrid bark, entire leaves and perfect flowers, 

 with the calyx tubular, colored, the limb 4-(4- or 5-)parted, regular, the 

 tube bearing the stamens, as many or usually twice as many as its lobes, 

 and free from the ovary, which is 1-celled, 1-ovuled, the suspended seed 

 with little or no albumen. 



1. DIRCA, L. LEATHERWOOD. Cal. colored, tubular, limb obscurely 

 4- toothed. Sta. 8, exserted. Stj-le 1. Berry 1- seeded. 5 Fls. opening 

 before the oblong-obovate, alternate leaves, 3 from each bud. 



D. pal its! ri* L. Shrub 3 5f, along streams, with very tough bark ; flowers 4", yel- 

 lowish, in April, May ; berry oval, small, red. 



2. DAPHNE, L. Cal. colored, funnel-form, limb spreading, 4-parted. 

 Anthers 8, subincluded. Stigmas capitate. Berry fleshy, 1 -seeded. > 

 Native of the Old World. 



1 I>. MEZEREUM. Shrub 1 Ijf, with very smooth lanceolate leaves appearing later than 



the lateral clusters of rose-purple, sweet-scented flowers. 



2 JD. ODORA. Shrub 2 3f; leaves lance-oblong, evergreen; clusters terminal, roseate, 



very fragrant. Greenhouse. 



3 D. LAUREOLA. Shrub 1 5f, hardy, with large oblanceolate, shining, evergreen leaves 



and axillary clusters of greenish flowers. 



ORDER CXII. EL^EAGNACE^E. OLEASTERS. 



Shrubs or trees usually with the leaves covered with a silvery scurf, en- 

 tire. Flowers mostly dioecious, the calyx free, entire, persistent, becoming 

 in fruit pulpy and berry -like, enclosing the 1-celled, 1-seeded achenium. 

 Embryo straight, with little albumen. 



* Flowers perfect. Stamens 4. Leaves alternate, petiolate, entire ELKAGNUS. 1 



* Flowers dicreious. Stamens 8. Leaves opposite, after the flowers SHEPHKRDIA. 2 



* Flowers dici'cions. Stamens 4. Leaves alteruate, after the flowers HIPPOPH>E. 3 



1. ELJEAGNUS, L. OLEASTER. Cal. 4-cleft, colored within. Sta. 4, 

 alternate with the sepals. Achenium enclosed in the mealy, 8-furrowed 

 calyx tube. ^> J> With silvery foliage. 



1 E. ARGENTEA Ph. SUverberry. Shrub 8 12f; leaves broadly or narrowly elliptical, 



acute, 1 2' ; flowers axillary, deflexed, canesccnt. Dakota, and W. 



2 E. IIORTENSIS. Tree with narrow-lanceolate, acute leaves ; flowers axillary, erect. 



Al#o, E. i.ATiFoi.tA, with evergreen leaves, is cultivated. 



