42 FOUNDATIONS OF BOTANY 



2. S. glauca, Walt. Gkeen-briek. Stem cylindrical, slender, 

 with scattered prickles, branches angled, and usually without prickles. 

 Leaves ovate or subcordate. pointed at the apex, mostly o-nerved, 

 smooth, white beneath, with a bloom, margin entire. Peduncle 

 flattened, *2-3 times as long as the petiole, few-flowered. Berry 

 black, 3-seeded. Margin of swamps.* 



3. S. Bona-Nox, L. Bamboo-vixe. Stem stout, ' cylindrical, or 

 slightly anglt^d, scurfy when young, armed with numerous stout 

 prickles. Branches 4-angled, usually unarmed. Leaves triangular, 

 ovate, or often halberd-shaped, .5-7-ribbed, smooth on both sides and 

 often discolored, margins usually fringed with fine prickles. Pedun- 

 cles twice as long as the petioles, flattened. Umbels many-flowered, 

 pedicels short. Berries 8-20 in a cluster, black, 1-seeded. In swamps 

 and thickets.* 



4. S. Walteri, Pursh. Green-brier. Stem low, with few 

 prickles, 2-5 ft. long, branches slightly -l-angled, unarmed. Leaves 

 oblong-lanceolate to oval, obtuse or acute at the apex, rounded or 

 cordate at the base, 5-ribbed, smooth. Peduncles flattened, about as 

 long as the petioles and pedicels. Berry bright red, ripening the 

 first year. "Wet pine barrens.* 



5. S. rotundifolia, L. Greex-brier, Cat-brier, Dog-brier, 

 Horse-brier, Wait-a-bit. Stem green, strong; branchlets, and 

 sometimes the branches, 4-angied, armed with stout hooked prickles. 

 Leaves ovate or round-ovate, with a slightly heart-shaped base and 

 an abruptly pointed tip. Berries black, with a bloom. Thickets, 

 the commonest species X. E. 



11. AMARYLLIDACE^. Amaryllis Family. 



Mostly smooth perennial herbs, from bulbs. Leaves radi- 

 cal, with no distinction between petiole and blade. Flowers 

 borne on a scape, nearly or quite regular. Stamens 6. 

 Style 1. Tube of the 6-parted, corolla-like perianth adnate 

 to the 3-celled ovary. Capsule 3-celled, several-many-seeded. 



I. ZEPHYRANTHES, Herb. 



Stemless, from a coated bulb. Leaves linear, fleshy. Scape 

 erect, 1-few-flowered. Flowers large, erect, or declined, sub- 

 tended by a 1-2-leaved spathe. Perianth 6-parted, naked in 

 the throat, tube short, segments petal-like, spreading. Stamens 

 free, anthers versatile. Ovary 3-celled, many-ovuled. Style 



