498 Obdee 15.— STYRACAOEiB. 



but often abortive ; calyx 6-cleft ; corolla monapetalous, subrotate, 6- 

 parted ; stamens 6 (in the sterile flowers rarely fewer, in the fertile 

 rarely more) ; berry 6-seeded, seeds with a smooth, cartilaginous testa. 

 — Shrubs with alternate Ivs., small white fls., and red or blaofc 



berries. 



§ Leaves deciduous, thin. Berries red Nos. 1, 9 



5 Leaves evergi-cen, tliick, sllining. Berries black Nos. 8, 4 



1 P. verticillatus L. Black Alder. Lvs. lance-ovai, serrate, acuminate, pu- 

 bescent beneath ; fls. axillary, the fertile ones aggregate, tlie barren subumbcl- 

 late. — This shrub is found in moist woods or swamps. Can. and most of the States, 

 usually growing about Sfhigli. Leaves narrowed at base into a short petiole, 

 \meiuately serrate, with prominent, pubescent veins beneath. Flowers white, 

 dioecious, small, the pedicels scarce more than 1" in length. Berries scarlet, in 

 little bunches (apparently verticUlatej, roundish, 6-celled and 6-seeded, permanent. 

 JL (P. Gronovii Mx.) 



2 P. Isvigatus Pli. Lvs. lanceolate, appressed-serrulate, glabrous on both sides, 

 shining above, minutely pubescent on the veins beneath ; fis. hexamerous, the 

 fertile axillary, subsessile, i glomerate, on slender peduncles. — Swamps and 

 marshes, N. and Mid. States. Shrub C to 9f high, with grayish and warty 

 branches. Lvs. 2 to 3' by 8 to 12", pointed at each end ; petioles 6 to 10" long. 

 Fls. mostly solitary, tho sterile on pedicels 6" long, the fertilo pedicels scarcely 

 2''. Berries large, red. Jn. 



p. L.VNOBOLATUS. " Sterile fls. triandrons." Pursh. — Dr. Halo sent specimeiM 

 from La. labelled P. lanceolat'us. The lvs. and berries accord well with oir 

 speciraena of No. 3, and also with Pursh's L lauceolatus. The fruit is 4- 

 seeded. 



3 P. giaber L. Ink Behky. Lvs. coriaceous, cuneate-lanceolale, glabrous, sbin- 

 ' ing, serrate at the end. — A beautiful shrub, 3 to 4f high, found in swamps, Mass., 



R. L to N. Y. and Car. Lvs. very smooth, leathery, shining, 1 to 1 J' by 5 to 7", 

 broadest above the middle. Pedicels subsolitary, 1 to 3-flowered. Fls. white, 

 mostly 6-partcd. Berries roundish, black and shining. Jn., Jl 



4 P. coriaoeua Ph. Lvs. ohovate, acute at base, short-acuminate, sharply ferrate 

 near tho apex, very thick, shining above, minutely black-dotted beneat'i ; fls. 

 6 to 8-parted, sterile aggregated, fertUe solitary ; berry black, with 6 to 8 imooth 

 seeds. — A shrub i to 6f high, in wet woods. Savannah (Pond) to Bainbric'ge, Ga. 

 and Fla. Lvs. remarkably thick and leathery, about 2' long and 1' widq with 2 

 to 4 mucronate, appressed teeth. Berries large, astringent ; seeds leni-shaped. 

 May. (P. atomarius Nutt.) 



Order LXXV. STYRACACEyE. 



Trees or shrubs with alternate, simple leaves, destitute of stipules. Pis. or ra- 

 cemes sohtary, axillary, bracteate. Oal^ 5-rarely 4-lobed, imbricated in ajstivation. 

 Cor. 5-rarely 4 or 6-lobed, imbricated in ajstivation. Sta. definite or oo, unequal in 

 length, usually cohering. Anih. innate, 2-colled. Ova. adherent, 2 — 5-celled, tho 

 partitions sometimes hardly reaching tho center. Fr. drupaceous, generally with 

 but one fertile cell. Sds. 5 — 1. 



Ganera 6, species 115, sparingly distributed through the tropical and subtropical regions of 

 both continents, only .a lew in colder latitudes. Storax and Beiuioiiv^ two fragrant gum resins, 

 regarded as stimulant and expectorant, are tho products of two species of Stvrax, viz. of S. offici- 

 nale, a Syrian tree, and S. benzoin, native of Malay and the adjacent islands. 



THIBES AND GENERA. 



I. SYMPLOCINEjE. Anthers numerous, innate, globnlar. Calyx 5-cleft. 



Flowers yellow Symplooos I 



II, STYRACE,.^ Anthers S to 12, linear-oblong, adnate. Calyx mostly truncate. 



Flowers white (a). 



a Flowers pentamerous. Fruit wingless, l-seeded Styrax. 3 



tt Flowers tetromoroua. Frait winged, P to S-seeded Halk8ia. S 



