SMILACEiE. (SMILAX FAMILY.) 519 



-•- Peduncles shorter or scarcely longer than the petioles, Jlultrmd ; leaves thickish, 

 incUniiKj to be eveiyreen, ut least southward, green loth sides. 



1. S. Walter!, Pursh. Stem low, somewhat angled, prickly near tlic 

 base or unarmed ; leaves ovate and sumeichut hiurt-sliufied (3' -4' long); berries 

 eoralrtd. (S. China, WuU.) — New Jersey, and southward. July. 



2. S. rotundifblia, L. (Common Greenbrier.) Stem armed with 

 scattered prickles, as well as the terete branches ; branchlets more or less 4- 

 angular; leaves uvate or round-orate, often broader than long, slightly heart- 

 shaped, abruptly short-pointed (2' -3' long); berries blue-black, with a bloom. 

 (S. caduca, L., is only a more deciduous and thin-leaved form.) — Moist thick- 

 ets : common, especially southward. June, July. — Plant yellowish-green, often 

 high-climbing. — Passes into var. quadrangularis, with the branches, and 

 especially the branchlets, 4-angular, often square. (S. quadrangularis, Muld.) — 

 Penn. to Illinois, and southward. 



■<- •*- Peduncles longer than, but seldom twice the length of the petiole, flattened : leaves 

 tardily deciduous or partli/ persistent : berries black, with a bloom. 



3. S. glavica, Walt. Terete branches and somewhat 4-anguIar branchlets 

 armed with scattered stout prickles, or naked ; leaves ovate, rarely subcordate, 

 glaucous beneath and sometimes also above, as well as the branchlets when young 

 (about 2' long), abruptly mucronate, the edges smooth and naked. (S. Sarsa- 

 parilla, L., in part, but not as to the syn. of Bauhin, whence the name was taken. 

 (S. eatluca, Willd. S. spinulosa, Smith ? Torr.fl.) — Dry thickets, S. New York 

 to Kentucky and southward. July. 



4. S. tamnoides, L. Branches and the angular (often square) branch- 

 lets sparsely armed with short rigid prickles; leaves varying from round-heart- 

 shaped and slightly contracted above the dilated base to fiddle-shaped and hal- 

 berd-shaped or 3-lobe(i, green and shining both sides, cuspidate-pointed, the margina 

 often somewhat bristly-eiliate or spinulose. (S. Bona-nox, L., S. hastata Willd., 

 S. pandurata, Pursh, &c , arc all forms of this.) — Thickets, New Jersey to 

 Illinois, and (chiefly) southward. July. 



■<- -^ -<- Peduncles 2-4 times the length of the petiole: leaves ample {^' -5' long), 

 thin ur thinnish, green both sides : berries black : stem terete and branchlets warli/ so. 



5. S. hlspida, Muhl. Rootstock cylindrical, elongated ; stem (climbing 

 high) below densely beset with long and weak blackish bristly prickles, the flowering 

 branchlets mostly naked ; leaves ovate and the larger heart-shaped, pointed, 

 slightly rough-margined, membranacfous and deciduous. — Moist thickets, Penn. 

 and W. New York to Michigan. June. — Peduncles l^'-2' long. Sepals lan^ 

 ceolate, almost 3" long. 



G. S. Pseudo-China, L. Rootstock tuba-ous ,- stews and branches unarmed, 

 or with very few weak jirickles ; leaves ovate-heart-shaped, or on the branchlets 

 ovate-oblong, cus])idate-pointed, often rough-ciliate, becoming firm in texture; 

 peduncles flat (2'-3' long). — Dry or sandy soil, New Jersey to Kentucky, and 

 southward. July. 



* * Leaves varyi)ig from oblong-lanceolate to linear, narrowed at the base into a short 

 petiole, 3 - b-ticrvid, shining above, paler or glaucous bentuth, many of them 



