196 PENTANDRIA DTGYNIA 



lateral ones remote, contiguous to the diluted margin. Channels with 

 single, conspicuous vittx. Commissure with 2 or more vitt&. Vittie 

 mostly linear. Seed flat Involucre mostly 0. Involve eh 0, or few- 

 leaved. 



1. P. sativa, L. Stem sulcate, smooth ; leaves pseudo-pinn ate , mi* 

 nutely pubescent ; leaflets ovate-oblong-, rather obtuse, incise d-d en- 

 fate, sub-lobed, sessile } the terminal one '3-lohed, and p etiolate ; um~ 

 bels larg-e, spreading ; fruit oval, emarginate, often somewhat ob- 

 cordate. Beck, Bot p. 148. 



Common- Pastixac \. Vulgo — Per. Garden Parsnep. 



Gull. — Panais pot ::; r. Germ. — Die Pastinake* Hisp, — Chirivia, 

 Plant yellowish green. Root biennial* f .'■ /.;/. large (.often 2 to'.) ,> : ,/ /a . 



in diameter, <: trethan a foot long). Su in 3 to ofeet high* and half an inch to 



an inch in diameter % somewhat branching chore. I.< uvea somewhat shining, but 

 minutely pubescent on the nerves^ and under sulfate. Leaflets in 3 or \ sessile 

 pairs, 2 to 1 inches long, and 1 to 2 inthes irtV/e, the terminal i ne 2 to •') inches i • 

 lengthy and as wide as long* on a petiole 1 to 2 inches lot •:. Umbt Is nearly level 

 en the top ; rays numerous, 2 to 1 inches long. In v< lucre 0, or very small. Involu- 

 eels 0, or frequently a few subulate leaves. Calyx-tceth obsolete* Petals deep 

 yellow. Fruit very flatly coi >pn$s u ! on the batk^ crotcned with the depressed pel' 

 talc base or' the short diverging styles. Carpels with filiform lils; interstices 

 greenish yellow, mostly with single < . urple villas in the centre. Commissure 

 mostly with 2 viiur, often with 1 or 2 additional imperfect cues. Villas generally 

 linear, sometimes a little clavate. 



Hab. Gardens, and cultivated lots : common* T\. June- ' . ■'. Fr. Aug.— to. 



Obs. Generally cultivated far its free est ul ' r t : cf v hi h there is a superii r 

 variety, called Guernsey ParsWep. This plant has strayed from the gardens, anH 

 become partially naturalized in many places,- ng rather a troublesome weed. 



There are no native spccies.as the genus is at present established, in the U. States. 



151, HEItACLEUM. /,. Xtttt. Gen. 2C4. 



[Dedicated to Hercules; who, it i 3 pretended, had some knowledge of Botany,*] 



Calyx wiili the limb obsolete, or 5-toothed. Petals ohcordato, with 

 an infleied acumination ; the outer ones often radiate, large, and bifid. 

 Fruit elliptic, or obovate, much compressed on the back, with a dilated 

 flat margin. Carpels with 5 slender ribs ; 3 of them dorsal, and equi- 

 distant; the 2 lateral ones remote, contiguous to the dilated margin. 

 Channels with single vittx. Commissure with 2 vittte. Vittm mostly 

 clavate. Seed flat. Involucre mostly few-leaved, caducous. Involu- 

 eels many-leaved. 



1. H. t.\v\tcm, Jlfx* Stem sulcate and striate, pubescent ; leaves 

 ternate, potiolate, villose-pnhescent beneath; leaflets broad, somewhat 

 pahnate-lobed, suboordatc at base, on villose petioles; fruit oval, or 

 obovate. Becky Hot. p. 149. 



Woolly Hkhacleum. Vulgo — Cow Parsncp. 



Root perennial. Stem 4 to 6 or 8 feet high, and 3 fourths of an inch to near 2 in- 

 ches in diameter at base, branched above, sulcate, with the ridges and furrows 

 stiiate,piibe8ccnt. Leaves very lan;e, trifoliate ; the commen petiole dilated into a 



