SMTLACACEAE. 79 



3. T. grandiflorum (Michx.) Salisb. Scape 2-5 dm. tall: bracts 6-14 cm. long; 

 blades oval or rhombic-oval, acuminate: pedicel 5-8 cm. long, erect or nearly so: 

 sepals lanceolate. 2.5-5 cm. long, acute: petals oblanceolate or obovate-lanceo- 



late, white or pink, or later rose, crisped : berry erect, 2-2.5 cm. thick. S. 



Abundant, in rich woods near Haines. — Schists. 



Family S. SMILACACEAE. Smilax Family. 



Perennial amied or unarmed vines. Leaves alternate: blades several- 

 ribbed and netted-veined, commonly persistent: petiole usually beai-ing a 

 pair of appendages. Flowers dioecious, in axillary peduneled umbels. 

 Perianth regular, usually green, that of the staminate flowers larger than 

 that of the pistillate. 



Stems herbaceous, annual, imarmed : ovules 2 in each ovary-cavity. 1. Nemexia. 



Stems woody, perennial, prickly : ovule solitary in each ovary-cavity. 2. Smilax. 



1. NElMEXIA Eaf. Leaf-blades membranous. Flowers carrion-scented. 

 — Spr. — Carrion-flower. 



Leaf-blades glabrous beneath : sepals of the staminate flowers oblong or linear. 



1. N. hcrbacea. 

 Leaf-blades pubescent beneath : sepals of the staminate flowers 



ovate or obovate. 2. N. pulvcrulenta. 



1. N. herbacea (L.) Small. Stems elongate: leaf -blades ovate, triangular- 

 lanceolate or lanceolate, 4-8 cm. long, short-acuminate, 7-9-nerved, rounded or 

 truncate at the base: mature pistillate peduncles long and slender, mostly longer 

 than the leaves: pedicels slender: staminate perianth 7-8 mm. wide: sepals 

 oblong or linear, acutish: petals linear or nearly so: berries 6-8 mm. in diameter. 

 — Common, in thickets. 



2. N. pulverulenta (Michx.) Small. Stems elongate, stout: leaf -blades ovate 

 to elliptic-ovate, 8-15 cm. long, short-acuminate, usually 9-nerved, cordate at 

 the base: mature pistillate peduncles relatively short and stout, shorter than the 

 leaves: pedicels stout: staminate perianth 9-11 mm. wide: sepals ovate or 

 obovate: berries 8-10 mm. in diameter. — S. Eather rare, in thickets. 



2. SMILAX [Tourn.] L. Leaf-blades leathery. Flowers not carrion- 

 scented, often fragrant. — Spr. — Green-brier. Cat-brier. Horse-brier. 



Peduncles of the pistillate plants much longer than the subtending petioles : sepals 

 and petals of the pistillate flowers mostly over 3 mm. long. 

 Leaf-blades glaucous beneath : fruit-bearing pedicels slightly shorter than the 



peduncles : berries glaucous. 1. 8. glauca. 



Leaf-blades green on both sides : fruit-bearing pedicels much 



shorter than the peduncles : berries not glaucous. 2. 8. hispula. 



Peduncles of the pistillate plants shorter than the petioles or 

 barely surpassing them : sepals and petals of the pistillate 

 flowers mostly less than 3 mm. long. 3. S. rotundifolia. 



1. S. glauca Walt. Leaf -blades broadly ovate, 3-9 cm. long, thickish, rounded 

 or cordate at the base: pedicels 6-12 mm. long: sepals and petals of the stami- 

 nate flowers 5-6 mm. long: anthers as long as the filaments or longer: berries 

 6-8 mm. in diameter, glaucous. — Common, in thickets. 



2. S. hispida Muhl. Leaf-blades broadly ovate to elliptic-ovate, .5-15 cm. long, 

 thinnish, rough-edged, obtuse or subcordate at the base, or sometimes cuneately 

 narrowed to the petiole: pedicels 4-8 mm. long: sepals and petals greenish- 

 yellow, those of the staminate flowers 4-5 mm. long: berries about 6 mm. in 

 diameter, bluish-black. • — M. Eather rare, in thickets along creeks. — Lime- 

 stones. 



3. S. rotundifolia L. Leaf-blades broadly ovate to orbicular-ovate, 3-8 cm. 

 long, or those of vigorous shoots suborbicular and much larger, abruptly pointed, 



