674 COMPOSITAE 
G. germanica, (L.) Dumort. (Fig. 5, pl. 186.) Cupwerep. Stem 
erect, 4 to 18 in. high, very leafy, terminated by a rounded cluster of 
woolly heads from which rise one or more branches, each also teyminated 
by a group of heads, 12 to 30 in each cluster. Dry fields, southern New 
York and Penna. July-Oct. 
21. PLUCHEA, Cass. 
Our species herbs emitting an odor of camphor; alternate leaves, coarsely 
toothed and with heads of purple flowers, all of which are tubular, in 
terminal clusters. The marginal florets are pistillate, those of the center 
with both stamens and pistils. Style undivided or 2-cleft; receptacle flat, 
naked; involucre of overlapping scales in several series. 
Leaves without leaf-stalks, heart-shaped at base . . . . . . . P. foetida 
Leaves with short leaf-stalks, not heart-shaped . . . . . «. « Pi camphorata 
1. P, foetida, (L.) DC. (Fig. 6; pl. 186.) Viscip MarsH FLEA- 
BANE. Perennial, 2 to 3 ft high, with oblong coarsely toothed leaves 
which are broad, somewhat heart-shaped at base and directly attached to 
stem. Swamps and low grounds, southern New Jersey and southward. 
July-Sept. 
2. P. camphorata, (L.) DC. (Fig. 7, pl. 186.) Spicy Marsn Fira- 
BANE. Annual, 2 to 3 ft. high. Leaves egg-shaped on short leaf-stalks, 
margins coarsely toothed. Salt marshes, New Hampshire and southward. 
Aug.-Oct. 
22. ANTENNARIA, Gaertn. 
Perennial herbs, white woolly, with alternate and basal leaves and small 
heads with disk flowers only. Heads many flowered, the pistillate florets 
on one plant the staminate on another or with the staminate or pistillate 
flowers there may be those bearing both pistils and stamens, Bracts of 
the involucre overlapping in several series, leathery and dry, the outer 
scales usually shorter and woolly. Receptacle flat or convex, not chaffy. 
Anthers tailed at base. Aigrette of a single row of bristles, in the pistil- 
late or the perfect flowers these bristles somewhat united at base. Ail of 
our species have stolons or suckers, which arise from beneath the ground 
and spread out horizontally or are more or less ascending. 
Basal leaves not more than 1} in long. 
3racts of heads bearing pistils lance- ahapete acute. 
Basal leaves spatula-formed . ei dec fe) 0 les ie) OA 
3asal leaves inversely egg- shaped ' ols 6 ep 16 Ae ee 
Basal leaves 3 to 5 in. long, stem leav ae purplish “9 A, Parlinii 
Basal leaves mostly more than 14 long and 4 in. wide, Ieaves ‘silky white 
Ae CAH Ore tie tel se, Vint? ded Gata ie mens . . A. plantaginifolia 
1. A. Parlinii, Fernald. Purrie Pree ie Basal leaves large, 
broadly egg-shaped, obtuse, 3-nerved. Stem 12 to 20 in. high, crowded 
with spatula-formed leaves. Stem, leaves and stolons purple or purplish 
with colored hairs. Involucre of about 3 rows of bracts, 4/12 to 5/12 in. 
high. Styles becoming crimson. Open woods, New England, and westward. 
May-July. 
2. A. neodioica, Greene. (Fig. 7, pl. 187.) Smarter Catsroort. 
Similar to No. 1, but the bracts of the involucre of the pistil bearing heads 
are lance-shaped and acute. In woods and shady places, Maine to Mass. 
and New York. April-July. 
The form found in our area is, Var. grandis, Fernald. 
