SYNGENESIA iEQUALlS. 251 
ricate, crowned with a stipitate hairy pappus. Receptacle convex, dotted, 
naked. 
The leaves and stalk of this plant, like those of most of the semifloscu- 
lous plants, discharge when broken a milky acrid juice, which is generally 
narcotic and sometimes supposed to be poisonous. 
Grows in damp soils. An exotic now naturalized. 
Flowers from January to April. 
BORKHAUSIA . 
Involucrum calicula- 
tum, squamis exteriori- 
bus laxis. Pappus pi- 
losus, stipitatus. Re- 
ceptaculum nudum. 
De Candolle. 
Involucrum surroun- 
ded at base with a few 
loose scales. Pappus 
hairy, stipitate. Re- 
ceptacle naked. 
1. Carolinian a. 
B. foliis oblongis, 
lanceolatis, glabris, ra- 
riter dentatis, inlerdum 
pinnatifidis; caule e- 
recto, paucifloro; pe- 
dunculis elongatis. 
Leaves oblong, lan- 
ceolate, glabrous, rare- 
ly toothed, sometimes 
pinnatifid; stem erect, 
few flowered; pedun- 
cles long. 
Nutt. 2. p. 126. 
Leontodon Carolinianum. Walt. p. 192. 
Scorzonera Pinnatifida. Mich. 2. p. 89. Pursh, 2. p. 497". 
Chondrilla Laevigata. Pursh, 2. p. 497. 
Root perennial? Stem resembling a scape, about two feet high, slightly 
furrowed, pubescent towards the summit. Leaves alternate, narrow, when 
old pinnatifid, pubescent along the margins. Flowers very few, solitary on 
the summit of the long branches. Involucrum many leaved; the interior 
series equal, united, linear, with a dorsal tooth near the summit, the exterior 
slightly imbricate, subulate, short. Florets ligulate, very numerous, bright 
yellow. Seed oblong, compressed, striate, slightly rugose, crowned with a 
hairy stipitate pappus. The stipes remarkably long. 
Grows in pastures and cultivated land- — very common. 
Flowers March — July. 
