SMILACACEAE 281 
3. Nemexia Biltmoreana Small. Stems 2.5-6 dm. tall : leaf-blades ovate, 6-12 cm. 
long, wholly glabrous, and glaucous beneath, thick even during anthesis: sepals of the 
staminate flowers oblong or ovate-oblong, 2.5-4 mm. long, ciliolate at the apex. 
On hillsides and in woods, about Biltmore, North Carolina. 
4. Nemexia diversifólia Small. Stems 1-3 m. long, climbing : leaves numerous ; 
blades ovate or oval-ovate, 3-5 cm. long, terminating in abrupt slightly twisted tips, dark 
green above, pale and minutely pubescent on the nerves and veins beneath, prominently 
3-nerved, truncate or subcordate at the base : blades of the bracts subtending the peduncles, 
lanceolate, acuminate, somewhat smaller than those of the leaves: tendrils filiform, devel- 
oped at the majority of the leaves: peduncles stout, twice or thrice as long as the bracts : 
pedicels (pistillate) 20-25, 8-10 mm. long, slightly thickened upward: berries subglobose, 
about 5 mm. in diameter. [Smilax diversifolia Small. ] 
In river swamps, middle Georgia. 
5. Nemexia pulverulénta (Michx.) Small. Stems elongated, climbing, often stout, 
leaves numerous ; blades ample, ovate to elliptic-ovate, 8-15 cm. long, short-acuminate, 
usually 9-nerved, cordate at the base: peduncles as long asthe petioles or longer : pedicels 
9-12 mm. long: perianth greenish : sepals and petals about 5 mm. long, acutish, those of 
the staminate flowers oblong-ovate: filaments about twice as long as the anthers or shorter : 
berries subglobose, 8-10 mm. in diameter. [Smilax pulverulenta Micbx.] 
In alluvial soil, Ontario to Wisconsin, North Carolina and Missouri. 
6. Nemexia ténuis Small. Stems elongated, commonly simple, slender, glabrous: 
leaves rather few; blades thin, triangular-ovate, 5-9 cm. long, acuminate, coarsely erose- 
denticulate, 5-nerved, with an inconspicuous sprinkling of minute hairs beneath, truncate 
at the base; tendrils few, sometimes developed from the sheaths of the upper leaves, fili- 
form: peduncles as long as the subtending bracts or longer, nearly filiform : pedicels 
(staminate) 15-25, 6-8 mm. long : sepals and petals greenish, oblong or linear-oblong, 2.5 
mm. long: filaments barely twice as long as the anthers. [Smilax tenuis Small.] 
In sandy woods, Louisiana. 
7. Nemexia herbàcea (L.) Small. Stems elongated, climbing, glabrous: leaves 
numerous; blades ovate, triangular-lanceolate to lanceolate, essentially alike throughout 
the plant, 4-8 em. long, short-acuminate, 7-9-nerved, rounded or truncate at the base: 
bracts subtending the peduncles like the leaves: peduncles much surpassing the subtending 
bracts at maturity : flowers carrion-scented : sepals and petals greenish, oblong or broadened 
upward, acutish: filaments twice or thrice as long as the anthers: berries subglobose, 
bluish black, 6-8 mm. in diameter. 
In woods and thickets, New Brunswick to Manitoba, Florida and Louisiana. CARRION-FLOWER. 
8. Nemexia tamnifólia (Michx.) Small. Stemserect or reclining, terete or obtusely 
angled, commonly simple : leaf-blades thickish, 5-7-nerved, ovate-hastate or linear-lanceo- 
late, 5-12 cm. long, more or less constricted at or about the middle, green on both sides, 
truncate or cordate at the base, the basal lobes rounded ; peduncles solitary or 3 from the 
same axil, shorter than the subtending bracts or surpassing them at maturity : umbels 10- 
30-flowered : pedicels 4-6 mm. long: sepals and petals greenish, those of the staminate 
flowers slightly pubescent, those of the pistillate often glabrous, oblong, 2 mm. long, rather 
obtuse : berries subglobose, 4-6 mm. in diameter, black, 1-3-seeded. 
In thickets and marshy grounds, New Jersey and Pennsylvania to South Carolina and Tennessee. 
2. SMILAX L. 
Prickle-armed vines, with elongated often tuberous rootstocks and perennial stems. 
Leaf-blades leathery, entire or lobed : petioles present, furnished with coiling appendages. 
Umbels on short, often stout peduncles. Pedicels usually accompanied by bractlets. Stamens 
6, reduced in the pistillate flowers. Ovary 3-celled, wanting or abortive in staminate 
flowers, 2 of the cavities sometimes suppressed. Ovule 1 in each cavity. Berry red, blue or 
black, with 3 bands of strengthening tissue connected at the base and the top. CATBRIER. 
GREENBRIER. HORSEBRIER. SMILAX. 
A. Peduncles of pistillate plants much longer than the subtending petioles. 
Leaf-blades glaucous beneath. i 
Blades of the leaves, or bracts subtending the peduncles, little longer than broad : berries about 
8 mm. in diameter. 2 1. S. glauca. 
Blades of the leaves, or bracts subtending the peduncles, twice or thrice as : o 
long as broad : berries about 10 mm. in diameter. 2. S. cinnamomifolia. 
Leaf-blades green on both sides. YES 
Leaf-blades broader than long. 3. S. renifolia. 
Leaf-blades longer than broad. 
