502 SMILACE^E. (SMILAX FAMILY.) 



1. D. villosa, L. Stem smooth (10- 15 long) ; leaves alternate, oppo- 

 site, or whorled, broadly cordate, acuminate, 7 -9-nerved, smooth, or pubescent 

 beneath ; flowers very small, whitish ; the sterile ones in scattered clusters on 

 the very slender branches of the axillary panicles; the fertile in a simple 

 spike ; capsule oval or obovate, strongly 3-winged, nodding. Margins of 

 swamps. July. 



ORDER 151. SMILACEJE. (SMILAX FAMILY.) 



Herbs or climbing shrubs, not essentially distinct from the Lily 

 Family, but with ribbed and veiny reticulated leaves, and separate 

 styles or stigmas. Leaves not sheathing, often bearing tendrils. 

 Fruit baccate. 



SUBORDER I. EUSMILACEJ5. (SMILAX FAMILY.) Flowers dioecious, 

 in axillary and umbel -like clusters. Anthers 1-celled. Stigmas 1 -3, sessile 

 or nearly so. Ovules 1 - 2 in each cell of the ovary, orthotropous, suspended. 

 Tendril-bearing vines. Flowers small, leaves alternate. 



1. SMILAX. Cells of the ovary 1-ovuled. Woody vines. 



2. COPROSMANTHUS. Cells of the ovary 'J-ovuled. Climbing herbs. 



SUBORDER II. TRILLIACEJB. (TRILLIUM FAMILY.) Flowers perfect, 

 terminal. Anthers 2-celled. Styles or stigmas 3. Ovules several in each 

 cell of the ovary, anatropous, horizontal. Erect herbs. Leaves whorled. 



3. TRILLIUM. Exterior leaves of the perianth calyx-like, persistent. Stem 1-flowered. 



Leaves 3 in a whorl, terminal. 



4. MEDEOLA. Leaves of the perianth alike, deciduous. Stem few-flowered. Leaves 3 - 



7 in a whorl, lateral and terminal. 



1. SMILAX, Tourn. CHINA BRIER. 



Flowers dioecious. Perianth bell-shaped, 6-leaved, the leaves nearly equal 

 and alike, deciduous. Stamens 6, inserted on the base of the perianth : an- 

 thers erect, 1-celled. Ovary free from the perianth, 1 -3-celled, with a single 

 orthotropous pendulous ovule in each cell. Stigmas 1-3 (mostly 3), sessile or 

 nearly so, slender, spreading or recurved. Berry 1- 3-celled, 1-3-seeded. 

 Seeds globular or angled. Embryo minute, in horny albumen. Woody 

 and commonly thorny or prickly vines, climbing by means of a pair of ten- 

 drils attached to the petioles. Leaves alternate, ribbed, and reticulate-veined, 

 mostly smooth and shining. Flowers small, greenish, in stalked axillary 

 clusters. 



* Peduncles longer than 1 he petioles or pedicels. 

 *- Peduncles flattened : berry black. 



1. S. tamnoides, L. Stem scurfy when young, armed with stout sub- 

 ulate prickles ; branches mostly unarmed, compressed -4-angled ; leaves del- 

 toid-ovate, or hastate - 3-lobed, truncate or slightly cordate, rarely acute, at 

 the base, 5 -7-ribbed, often discolored ; the margins, ribs, and petiole smooth, 

 or fringe.! wi'h ii::e prickles: peduncles about twice as long as the petioles; 



