450 UMBELLIFERAE 
B. rotundifolium, L. (Fig. 3, pl. 110.) Hare’s Ear, Moopesry. 
Plant 1 to 2 ft. high, common in cultivated grounds. July-Aug. 
28. PASTINACA, L. 
Tall, stout, smooth herb, with large feather-formed leaves, broad umbels 
without involuecres or involucels and with yellow flowers. Fruit oval, 
smooth, much flattened. Ribs very slender. 
P. sativa, L. (Fig. 1, pl. 110.) Witp Parsnie. Plant 2 to 5 ft. 
high; stem grooved. Leaflets about 3 pairs and an odd one, broadly egg- 
shaped, or lobed; margins with coarse teeth. In waste lands. June- 
Sept. 
29. ZIZIA, Koch. 
Herbs, smooth with at least the upper leaves once or twice 3-divided 
or the basal leaves undivided. Umbels of yellow flowers without in- 
volucre, the involucels consisting of a few small bracts. Fruit ovate or 
oblong. 
1. Z. aurea, Koch. (Fig. 2, pl. 107.) GotpEN ALEXANDERS. GOLDEN 
Meapow Parsnip. Erect, 1 to 24 ft. high. Lower leaves on long leaf- 
stalks, the very upper ones of three leaflets without leaf-stalk, the inter- 
mediate on moderately long leaf-stalks twice 3-parted. Leaflets egg- 
shaped, with sharply toothed margins. Rays of the umbel 12 to 25. 
Flowers yellow. Wet fields, throughout our area. April-June. 
2. Z. cordata, DC. (Fig. 1, pl. 107.) HEaART-LEAVED ALEXANDERS. 
Branched, 1 to 3 ft. high. Lower leaves undivided, margins toothed, on 
long leaf-stalks. Stem leaves 3 or 5 parted, with egg-shaped or lance- 
shaped leaflets. Woods and moist places, southern New Jersey, New 
York, Connecticut, and southward. May-June. 
30. THASPIUM, Nutt. 
Herbs, 2 to 5 ft. high, with 3-parted or twice ternate leaves. the leaf- 
lets of which are sometimes lobed and always deeply toothed. The basal 
leaves sometimes without division. Flowers in compound umbels without 
involucre but with involucels of a few bracts. Color of flowers yellow 
or purple. Fruit oval, the carpels ribbed and winged. 
l. T. trifoliatum, (L.) Britton. (Fig. 7, pl. 109.) Purpre Mea- 
pow Parsnip. Plant 1 to 2 ft. high. Basal leaves sometimes undivided, 
upper ones once or twice 3-parted. Leaflets egg-shaped or lance-shaped, 
with serrated margins. Petals dark purple. Rare, Rhode Island, New 
Jersey, and southward, June-July. 
2. T. barbinode, (Michx.) Nutt. Harry Jorytep Meapow Parsnip. 
Erect, 2 to 4 feet, branched. At joints a tuft of hairs. Leaves once, twice 
or thrice 3-parted, Leaflets egg-shaped to lance-shaped, sometimes lobed, 
margins toothed. Flowers bright yellow. Banks of streams, throughout 
our area. May-June. 
Famity IIIL.—CORNACEAE. Doawoop FAmMILy 
Shrubs or trees; one plant, Cornus canadensis, in our area, 
small, herbaceous in appearance. Leaves without stipules, opposite 
