LILY FAMILY 141 
4. §. rotundifolia, L. (Fig. 2, pl. 15.) ComMon GREENBRIAR. Stem 
stout, round. Leaves round-egg-shaped, often broader than long. Points 
of leaves sharp, borders smooth, 5-nerved. Flower stems not longer than 
leaf stems. Woods and thickets of our area. April-June. 
5. §. bona-nox, L. Bristty GREENBRIAR. Stem round or slightly 
angular, branchlets angular, with many prickles. Leaves ‘deltoid-heart- 
shaped, 5-nerved, often with prickles along the leaf borders. Flower- 
stem longer than leaf-stem. Southern two-thirds of our area and south- 
ward. April-July. 
6. S. hispida, Muhl. H1spm GRreenpriaR. Stem climbing, covered 
below by a dense growth of soft bristly prickles, main stem round, the 
branches somewhat angular. Leaf stems about 4 in. long; leaves thin, 
egg-shaped, sharply pointed at apex, obtuse or somewhat heart-shaped 
at base, 7-veined. Stem of flower-cluster from 2 to 5 in. long. Berries 
bluish-black. Moist thickets, rare. Conn. southward. May-July. 
§ Stems without prickles or with prickles only on main stems. 
7. §. laurifolia, L. LAvREL-LEAVED GREENBRIAR. Stem round, high 
climbing, prickles only on main stems or rarely on small branchlets. 
Leaves narrow lance-shaped, broader at outer third than at inner third. 
Leaves generally 3-nerved, leaf stems very short. Flower stems + to 1 
in. long. In southern part of our region. March-Sept. 
8. §. Walteri, Pursh. (Fig. 4, pl. 15.) WaAttTer’s GREENBRIAR. 
Stem angled. Leaves egg-shaped, heart-shaped, obtuse at apex, 3-nerved. 
New Jersey and southward. March-Aug. 
9. §. pseudo-china, L. LONG-STALKED GREENBRIAR. Rootstock tu- 
brous. Stem climbing, without prickles or with few. Leaves egg-shaped, 
somewhat heart-shaped at base, 5-veined; leaf stem flattened. Flower stem 
nearly as long as the leaves. Berries black. Rare. Dry or sandy soil. 
New Jersey and southward. March-Aug. 
Famity II].—HAEMODORACEAE. Broopwort FAmMILy 
General characteristics of the Lily family, but with only 3 
stamens, which are opposite the 3 inner segments of the perianth. 
Perianth situated partly or wholly above the ovary which is 3 
celled. Perennial herb with erect stems and narrow, ¢grass-like 
leaves. . 
1. LACHNANTHES, Ell. (Gyrotheca, Salisb.) 
A stout herb with fibrous, perennial roots 14 to 2 ft. high, woolly or 
hairy above. Flowers in a head or loose rounded cluster, yellow. Calyx 
segments long, narrow and pointed, as long as the yellowish petals. 
L. tinctoria, (Walt.) Ell. Rep Roor. Flowers 15 to 20 in a terminal 
umbel-like cluster, covered with woolly hairs. Found in swamps and wet 
places, Mass. and southward. July-Sept. 
Famity IV.—AMARYLLIDACEAE. Amaryuuis Faminy 
Perennial herbs with grass-like leaves. Flowers showy in um- 
