- — 
_PENTANDRIA. DIGYNIA. 179 
‘aie sessile; involucell multipartite. Styles filiform, 
simple. Leaves digitate. (Character taken from 8. mari- 
tandica; in S. Europea, the central flowers are masculine.) 
_ Srecres. 1.8. marylandica. 2. canadensis. Both spe- 
cies grow in the vicinity of Philadelphia. 
Of this genus there are but 2 other species at present 
enumerated by Persoon; viz. S. sie cab and §. crith- 
t mifolia, of Russia. 
259. DAUCUS. L. (Carrot.) 
Fruit oblong, partly solid, ribs ciliated with 
hispid hairs or agent bristles. Involucrum pin- 
natifid. 
Umbell many-rayed, while in flower flat, in fruit partly 
_ contracted into the form of a funnel. Petals cordately in- 
' flected; 5 primary ridges of the seed scarcely prominent, 
nearly smooth; 4 secondary muricate. 
Specirs. 1. D. carota. Com ; naturalized. 2. 
pusiilus. Probably only avariety of D. carota. 
bigo genus Daucus, now containing 15 or 16 species, ex- 
peat ively in Barbary and the south ¥ wee ex- 
cep Pos aoe of Egypt. 
260. AMMI. L. (Bishop’s-weed.) =e 
Flowers radiated, all hermaphrodite. Petals 
cordately inflected. ** Fruit oblong, corticate, 
angular, ridges 5, obtuse, intervals convex,” 
SPRENGEL.}| IJInvolucrum pinnatifid. . 
Somewhat allied to Daucus in ene ‘umbell ee sub- s ~ ' 
Fivaricate eee eee 
padinag 
leaves simp 
ed, central ahs as well as peBealis stage the shor 
test. Involucell consisting mostly of one trifid leaf: Calix 
minute, 5-toothed. Petals oval, entire, with the points in- 
flected, white. age very minute, with the base elevat 
: Fruit partly e and ee somewhat ovate, or: om 
7 Tn ‘denua ia 
¢ Curtio Sprengel, &c. 1813." 
e 
