49S OKDEB 75. STYEACACE^B. 



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 black 

 berries. ; 



Loaves deciduous, thin. Berries red , Nos. 1, 2 



Leaves evergreen, thick, shining. Berries black Nos. 8, 4 



1 P. verticillatus L. BLACK ALDER. Lvs. lance-oval, serrate, acuminate, pu- 

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



late. Tnis shrub in (bund in moist woods or swamps, Can. and most of the States, 

 ; usually growing about St'higli. Leaves narrowed at base into a short petiole, 

 uncinately serrate, with prominent, pubescent veins beneath. Flowers white, 

 dioecious, small, the p:dicels scarce more than 1" in length. Berries scarlet, in 

 little bunches (apparently vorticjlliitej, roundish, 6-celled and G-seeded, permanent 

 Jl. (P. Gronovii MX.) 



2 P. laevigatus Ph. Lvs. lanceolate, appressed-serrulate, glabrous on both sides, 

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



v fertile axillary, subsessile, $ glomerate, on slender peduncles. Swamps and 

 I marshes, N. and Mid. States. Shrub G 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 podicols G" long, tho fertile pedice| scarcely 

 2''. Berries large, red. Jn. 



j3. LANCEOLATUS. " Sterilo fla. triandrous." Pursh. Dr. Halo sent specimens 

 from La. labelled P. Lmcaolatus. Tho Ivs. and burries accord well with our 

 specimens of No. 3, and also with Pursh'a I. lanceolatus. The fruit is 6- 

 seeded. 



3 P. glaber L. INK BERRY. Lvs. coriaceous, cmeatt-lanceolate, glabrous, shin- 

 ing, serrate at tho end. A boautiful shrub, 3 to 4f high, found in swamps. Mass., 

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

 broadest above tho middle. Pedicels subsolitary, 1 to 3-fiowered. Fls. white, 

 mostly G-partad. Berries roundish, black and shining. Jn., JL 



4 P. coriaoexts Ph. Lvs. olovate, acute at base, short-acuminate, sharply serrate 

 near tho apex, very thick, shining above, minutely black -dotted beneath ; fls. 

 6 to 8-parted, sterile aggregated, fertile solitary; berry black, with 6 to 8 smooth 

 seeds. A shrub 4 to Gf high, in wet woods, Savannah (Pond) to Bainbridge, Ga. 



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

 to 4 rnucronate, appressed teeth. Berries large, astringent ; seeds L-us-shaped, 

 May, (P. atomarius Nutt.) 



ORDER LXXV. STYRACACEyE. 



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

 ixmes solitary, axillary, bracteato. Cal. 5-rarely 4-lobed, imbricated in {estivation. 

 Cor. 5-rarcly 4 or G-lobed, imbricated in sestivation, Sta. definite or oo, unequal in 

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

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

 but one fertile cell Sds. 51. 



Gentra 6. upecie* 115, sparingly distributed through tlin tropical and subtropical regions of 

 both continents, only u lew in colder latitudes. Stor.ix and <>i3<>in, two f rap-ant gum resins, 

 regarded as stimulant nml expectorant, are tlio products of two sjiecies of Styrax, viz. of S. oflfici- 

 lialo, a Syrian tree, and S. beuzuin, native of Malay and tho adjacent islands. 



TRIBES AND GEJfERA. 

 i: STMPLOCINE^E. Anthers numerous, innate, globular. Calyx 5-cleft. 



Flowers yellow STMPLOCO 1 



II. STYRACE^E, Anthers 8 to 12, linear-oblong, adnate. Calyx mostly truncate. 



Flowers white (a). 



a Flowers pentamerous. Fruit wingless, 1 -seeded STTRAX. 3 



,' a Flowers tctrainerous. Fruit winje 1. Q to ."-seeded H 



