528 



SMILACEAE. 



Vol. I. 



3. Smilax ecirrhata (Engelm.) S. Wats. 



Upright Smilax. Fig. 13 10. 



Kunth, 



Coprosmanthus herbaceus var. ecirrhata Engelm 

 Enum. 5 : 266. 1850. 



S. ecirrhatus S. Wats, in A. Gray, Man. Ed. 6, 520. 1890. 



Stem herbaceous, glabrous, simple, erect, 6'-2° 

 tall. Tendrils none, or sometimes present on the 

 uppermost petioles ; leaves often whorled at the sum- 

 mit of the stem, ovate, acute, obtuse, cuspidate or 

 acuminate at the apex, rounded or cordate at the 

 base, thin, 5-9-nerved, 2i'sY long, ii-4' wide, some- 

 times larger, more or less pubescent beneath and 

 erose-denticulate on the margins; petioles io"-i8" 

 long; peduncles long, often pubescent; staminate 

 flowers commonly not more than 25 in the umbels; 

 pedicels 2"-$" long; anthers shorter than the fila- 

 ments or equalling them. 



In dry soil, Maryland to Minnesota, Florida and Mis- 

 souri. May-June. 



4. Smilax glauca Walt. Glaucous-leaved 

 Greenbrier. Fig. 131 1. 



Smilax glauca Walt. Fl. Car. 245. 1788. 

 S.spinulosum J. E. Smith; Torr. Fl. N. Y. 2 : 303. 1843. 



Rootstock deep, knotted and tuberous. Stem 

 terete; branches and twigs angled, armed with rather 

 stout numerous or scattered prickles, or sometimes 

 unarmed; petioles 3"-6" long, tendril-bearing; leaves 

 ovate, acute or cuspidate at the apex, sometimes 

 cordate at the base, entire, glaucous beneath and 

 sometimes also above, mostly 5-nerved, i4'-6' long, 

 i'-S' wide; peduncles flattened 6"-i6" long; umbels 

 6-12-flowered ; pedicels 2"~4" long; berries bluish 

 black, ripening the first year, about 3" in diameter, 

 2-3-seeded. 



In dry sandy soil, eastern Massachusetts to Florida, 

 Ohio, Kansas and Texas. Sarsaparilla. May-June. 



Smilax rotundifolia L. Greenbrier. Catbrier. Horsebrier. Fig. 1312. 



Smilax rotundifolia L. Sp. PI. 1030. 1753. 



Smilax caduca L. Sp. PI. 1030. 1753. 



Smilax quadrangularis Willd. Sp. PI. 4: 775. 1806. 



Rootstocks long, sparingly tuberous. Stem woody, 

 terete, the branches and young shoots often 4-angled, 

 glabrous ; prickles scattered, stout, straight or a 

 little curved, sometimes none; petioles 3"-6" long; 

 leaves thick and shining when mature, thin when 

 young, ovate, nearly orbicular, or lanceolate, acute 

 or acuminate at the apex, obtuse or cordate at the 

 base, entire or the margins erose-denticulate, 5-nerved, 

 2'-6' long, io"-6' wide; peduncles flattened 3"-i' 

 long; umbels 6-25-flowered ; pedicels i"-4" long; 

 perianth-segments pubescent at the tip; filaments 

 2-3 times as long as the anthers; berries black, 1-3- 

 seeded, about 3" in diameter, maturing the first year. 



In woods and thickets, Nova Scotia to Minnesota, 

 south to Florida and Texas. Biscuit-leaves. Wait-a-bit. 

 Nigger-head. Bamboo-brier. Devil's-hop-vine. Bread- 

 and-butter. Hungry-vine. April-June. 



