Pennell: Plants of southern United States 411 



Leaves glabrous beneath. Bracts on stem below leaves 

 appressed. 

 Stem 3-5 dm. tall, erect, without tendrils. Leaves all 

 clustered near summit of stem, oblong-ovate, acute. 

 Perianth-segments 2-3 mm. long. Seeds 4.5-5 mm. 

 long, maturing two to a berry. 

 Stem elongated, climbing, with tendrils. Leaves on 

 adult stems all alternate, cordate to ovate, acumi- 

 nate. Perianth-segments 3-4 mm. long. Seeds 

 3.5-4 mm. long, maturing three to five to a berry. 

 Leaves puberulent to pubescent beneath. Bracts on 

 stem below leaves more or less spreading. 

 Stem elongated, climbing, with numerous tendrils. 

 Peduncles all in the axils of normal leaves. 

 Leaves puberulent to pubescent beneath, acu- 

 minate. Seeds maturing three to five to a berry. 

 Perianth-segments 3.5-4.5 mm. long. Leaves 



ovate to cordate. 

 Perianth-segments 2-2.5 rnni. long. Leaves tri- 

 angular-ovate. 

 Stem not or slightly elongated, not climbing, with 

 few to no tendrils. Peduncles, at least in part, 

 in the axils of bracts below the leaves. Leaves 

 pubescent beneath. 

 Perianth-segments 4-5 mm. long. Seeds maturing 

 three to five to a berry. Leaves acuminate, paler 

 beneath. Stems frequently somewhat elongated 

 and with tendrils. 

 Perianth-segments 2.5-3 mm. long. Seeds ma- 

 turing two to three to a berry. Leaves acute to 

 mucronate, whitened beneath. Stems not elon- 

 gated, very rarely with tendrils. 

 Mature leaves shining-green beneath, strongly acuminate. 

 Berries black, not or scarcely glaucous. Seeds maturing 

 three to five to a berry. Perianth-segments lanceolate, 

 4-6 mm. long. 



3. S. biltmoreana. 



4. S. herbacea. 



5. S. lasioneiiron. 



6. S. tenuis. 



7. S. ecirrhata. 



8. S. Hugeri. 



9. S. pulverulenta. 



I. Smilax tamnifolia Michx. 



Smilax tamnifolia Michx. Fl. Bor. Am. 2: 238. 1803. "Hab. in 

 Carolina." Description of leaves as " rotundato-obtusis " 

 apparently applies to this. Type not verified. 



Coprosmanthus tamnifolius Kunth, Enum. PI. 5: 267. 1850. 



Nemexia tamnifolia Small, Fl. SE. U. S. 281. 1903. 



Moist sandy soil near streams, in the Coastal Plain; Long 



Island to South Carolina. 



Flowers after the other species, in northern New Jersey and on 



Long Island in late-June and early-July. 



