STYRACACE.*:. (SToKAX FAMILY.) 333 



2. B. lanuginbsa, Pers. Spiny (10-40° liigli); leaves ohloiiff-ohovate oi 

 xvedge-obovatc, nisti/-ir(iolli/ heneafh, obtuse (1^-3' lout;) ; clusters 6 - 1 2-jloicered, 

 pubescent; fruit globular. — Woods, S, 111. to Fla. and Tex. .July. 



Order (33. EBENACE.^. {Ebony Family.) 



T}-ces or shrubs, icith alfernate entire leaves, and poli/fjatnous re rjular flow- 

 ers which hare a calyx free from the 3 - 1 2-celled orart/ : the stamens 2-4 

 times as many as the lubes of the corolla, often in pairs before them, their 

 anthers turned inward, and the fruit a several-celled berry. Ovules 1 or 2, 

 suspended from the suynmit of each cell. Seeds anatropous, mostly single 

 in each cell, larj^e and flat, with a smooth coriaceous integument ; the 

 embryo shorter than the hard albumen, with a long radicle and flat coty- 

 ledons. Styles wholly or partly separate. — AVood hard and dark- 

 colored. No milky juice. — A small family, chiefly tropical. 



1. DIOSPYROS, L. Date-Plum. Pkksim.mon. 



Calyx 4 - 6-lol)ed. Corolla 4-6-lobed, convolute in tbe bud. Stamens com- 

 monly 16 in tbe sterile flowers, and 8 in the fertile, in the latter imperfect. 

 Berry large, globular, surrounded at base by the thickish calyx, 4 - 8-celled, 

 4 - 8-seeded. — Flowers dia'ciously polygamous, the fertile axillary and solitary, 

 the sterile smaller and often clustered. (Name, Aids, ofJore, and irvp6s, (/rain.) 



1. D. Virginiana, L. (Common Perslmmon.) Leaves thickish, ovate- 

 oblong, smooth or nearly so ; peduncles very short; calyx 4-parted ; corolla 

 ])ale yellow, thickisli, between bell shaped and urn-shaped, 6 -8" long in the 

 fertile flowers, much smaller in the sterile ; styles 4, two-lobed at the apex ; 

 ovary 8-celled. — Woods and old fields, K. I. and N. Y, to Iowa, and south 

 to Fla. and La. June. — Tree 20 - 70° high, with very hard blackish wood ; 

 ]jlum-like fruit I' in diameter, exceedingly astringent when green, yellow 

 when ripe, and sweet and edible after exposure to frost. 



Order 64. STYKACACE^. (Storax Family.) 



Shi'ubs or trees, with alternate simple leaves destitute ofstipides, and per- 

 fect regular flowers ; the calyx either free or adherent to the 2-5-celled 

 ovary; the corolla of -i - S petals, comynonly more or less united at base; 

 the stamens twice as many as the petals or more numerous, monadelphous 

 or polyadelphous at base : style 1 ; fruit dry or drupe-like, 1 - b-celled, the 

 cells commonly l-seeded. — Seeds anatropous. Embryo nearly the length 

 of the albumen ; radicle slender, as long as or longer than thi' flat cotyle> 

 dons. Corolla hypogynous when the calyx is free ; the stamens adherent 

 to its base. Ovules 2 or more m each cell. — A small family, mostly of 

 warm countries, comprising two very distinct tribes. 



Tribe I. STYRACE.E. Calyx 4-8-toot.hed or entire. Staiueus 2 - 4 times as many 

 lis the petals, in oue series ; authei-s linear or oblong, adnate, introrse. Cotyledons flat. 

 — Flowers white, handsome. Pubescence soft and stellate. 



1. Styrax. CaljTc coherent only with the Ijase of the 3-<'elled ovary. Corolla mostly 

 5-parted. Fruit l-relled, l-seeded. 



