170 WEEDS AND USEFUL PLANTS. 
Pappus plu 
pee spind le-shaped. Flo vgn od ge 29. LEONTODON. 
Sewers ong-beaked. Flow urple. 30. TRAGOPOGON. 
Pappus not plumose, of bright white pantry bristle 
Akenes terete, une? eaked. Flowers rotary “ b eens: 31. TARAXACUM. 
2 + are flat, long-be aked. Flowers in panicl 32. Lacruca, 
Ak tten ed, not beaked. Pappus very poi: 33. SONCHUS, 
1. VERNO’NIA, Schreb. Iron-wexp. 
[Named in honor of William Vernon, an English Botanist.] 
Heads many-flowered, in corymbose cymes. Involucre a shorter 
than the flowers,—the inner scales longest. Receptacle na oe 
clavate, ribbed. Pappus double,—the inner series of num sugh 
the outer mostly short, eg often dilated and callie, a eye pe- 
rennial herbs, with alternate leaves ; ; flowers bright purp 
1. V. Noveboracen sis, ne ate Hencnlaie or on serrulate, 
roughish ; heads numerous, in a terminal corymb ; scales ¥ the inyvolu- 
cre ovate, acute or often with a long flifoom flexuous poin 
New-York Vernonra. Iron-weed. 
Stem 2 or 3-6 i 7 feet high, somewhat branching at summit, finally firm and subligne- 
ous. 3-6o0r8 pone Tong, eee, thickish or subcoriaceous. Akenes 
with short hairs ; pappus a r ofte n purplish, scabrous—the outer series con- 
ype of —— chaffy or deals: hike senda 
oist meadows and low groun e eraanae the United States. FU. August. Fr. 
ibieibesaten’ 
Obs. This plant is quite common in moist low grounds, and along 
fence-rows. Bind worthless a and coarse hard stem cause it to b 
regarded as a rather obnoxious weed, in our meadows ; and of course it 
is carefully eradicated by all neat farmers. 
2. EUPATO’RIUM, Tournef. THorovau-worr. 
[Named from Sha Mithridates ; who, it is said, first used the plant.] 
Heads 3-many-flowered. Involucre Rijereicle Ses or campanu- 
late,—the hates Fatty in 2, 3, or sometimes nearly 
equal in a single series: Receptacle fat, peer sets oR) Pap-. 
cede ~— series of very slender bristles, rough or minutely serrulate. 
n po: with leaves Feeuis! opperits or yerticillate, often resi- 
nous dotted ; flowers ee 
1 E. perfolia’tum, L. m rigid, hirsutely villous, corymbosely 
branched above ; leaves oom d dee deante: oie connate-perfoliate, ob- 
long-lanceolate, crenate-serrate, reticlately veined and ragose, very pu- 
bescent beneath ; heads about 10 or more flowered. 
PerrouiaTe Evparortum. Tieckae Boneset. Indian Sage. 
Stem 2-4 feet high, the branches whitish and very _Roncontet. Leaves 4-6 or 8 inches» 
long, opposite and completely united at base—or contracted at base and . 
scarcely oa a ae verticillate in’ ne: and prea wapering gradually 10 to a ad 
slender point, sprinkled with resinous les beneath. Heads of flowers 
i SalI Sp Ere Sa cn RPT a ch BERS ee hE S WE as ine aie Ngee p= te | Seger Sie eee RE RGEE MaE he S ee ae 
