PENTANDRIA.— DIGYNIA. 135 



207. CICUTA. Umbelliferaz. 



t, C. maculaia: stem spotted; leaves tritemate ; 

 leaflets subternate, lanceolate, acuminate, mucro- 

 nately-serrate ; umbels axillary and terminal ; par- 

 tial involucra setaceous. 

 HAB. Wet places. July— Aug. ft. Stem 3—6 

 ft. high , glauc. ; umb. large, slend. ; fl. white. 

 Poisonous ! 



2. C. bulbifera: leaves various, ternate and biternate, 

 bulbiferous ; leaflets linear and linear-lanceolate, 

 remotely toothed ; umbels terminal, solitary. 

 HAB. Swamps. Aug. U. Stem 2 — 3 ft. high,, 

 slend. ; leav. bulbif. in the axils. ; umb. small ; fl. 

 wh. 



208. DAUCUS. Carrot. Umbelliferx. 



D. Carota : stem hispid ; leaves tripinnate ; leaflets 

 incised, linear-lanceolate, acute ; umbel at length 

 concave ; fruit bristly. 



HAB. Old fields. June— Aug. £. Stem 2 ft. 

 high ; leav. pale green ; fl. white. 



209. MYRRH1S. Umbelliferce. 



i. M. procumbens : stem procumbent, somewhat hairy ; 

 leaves bipinnate ; segments lanceolate, rather ob- 

 tuse ; umbels 3-rayed, few-flowered ; fruit smooth. 



HAB. Shady rocky places. May. 0. Stem 6—8 

 in. long ; fl. all fert., white ; fruit linear. 

 ?. M. Claytoni : stem hairy, (at first hoary-white ;) 

 leaves biternate, pubescent ; leaflets incisely lobed, 

 dentate ; umbel 3-rayed ; central flowers abortive ; 

 universal and partial involucra 3 — 5-leaved, lan- 

 ceolate, ciliate ; fruit attenuate at the base, with 

 hispid angles, not rostrate ; style very short. 



HAB. Shady rocky places. May — June. U . Root 

 fusif. ; stem 2 ft. hiah ; fruit linear-Ian., blackish. 

 '•. M. longistylis : stem smooth ; leaves biternate ; the 

 lower ones on short petioles ; leaflets ovate, in- 

 cisely lobed and dentate ; umbel 3 — 4-rayed ; cen- 

 tral flowers abortive ; universal and partial involu- 

 cra 3 — 5-leaved, oblong, acuminate ; fruit attenuate 

 at the base, with hispid angles ; styles long, subu- 

 late, straight. 



