ae 
i ren 
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TEASEL FAMILY. 167 
“ Annual. Stem 4-12 inches high, dichotomously branching. Leaves half an inch to 2 
than on long, sessile, subdentate, somewhat ciliate on the margin. Fruit finally broader 
Pm 
w banks and fields. eh 
i 
mon weed in ni da It is calfrated for a a@ spring ae and is ik 
to the New York markets in considerable quantities. In order to ob- 
tain it early in the season, it should be sowed in the preceding autumn. 
Oxper XXXIX. DIPSA’CE. (Tease, Fay.) 
Herbs with opposite sessile leaves and no stipules. Flowers a ly in dense invo- 
lucrate heads. Calyz-tube wholly ee sometimes at summit only) eierent to the Pipe e' 
the limb cup-shaped and entire, or toothed—or forming a bristly or plumos 
olla tubular, the limb 4 —5-lobed, sometimes Be oly irre =a pr asc mostly 4, 
distinct. Ovary 1-celled, with a single suspended ovu ‘ple filifor: Fruit membrana 
ceous or akene-like, indehiscent, crowned with the nim! of the avs: 1-celled, 1-seeded. 
Embryo nearly the jength of the fleshy albumen 
Ben genus which is the type of this small Order, is the only one entitled to notice in this 
1. DIP’SACUS, ehbacleies ares 
2h 
[Greek, Dipsao, t to thirst , 
Involucre many-leaved, as er than the spaabndete subfliaceons chaff of 
the receptacle. Involucel 4-sided, 8-furrowed, close osely investing the 
i al mrs e adherent to the ov vary,—the limb minute, 
cup-shaped or sag é entire. Corolla with ee erect lobes. Stout 
and prickly. ves opposite and often 
connate at base. Hosts vrai Sige f Tee poe commencing to ex- 
pand ina ring about ss middle of the and gradually extending 
: process towards base 
- D. = tris, Mill. SS. te-oblong, crenate-dentate and 
esi prickly on the midrib gh sori curved upwards, longer than 
the head ; chaff at the receptacle straight and flexible. 
Wip Dirsacus. Teasel. Wild — 
Root biennial. Stem 3-5 or 6 feet oy , branch Radical leaves 8-12 inches long ; 
Lente theta subconnate—those of the penal a “lanceolate and often nearly entire. 
-oblon rple. Bracts tthe receptacle oblong-cuneate, keeled, 
abrapty tapering ing ut a stralght extol or chat oft mination, pots than the flowere— As 
those at the dese of he head longest. - 
Sern of fields, "hiaiaog, &e. Northern and Middle States : introduced. Bcd ‘ 
FeJuly.. Fy. September. o 
Obs. This coarse lant i is completely naturalized in some 
sonar as op , but Seer boas eaneper ci 
to the farms, if not attended to. A little timely care, however, — 
wohl soon subdue it. 
2. D. Funto’xum, Mill. Leaves obovate and oblor 
ish, serrate —the ee baer 
