STATE GEOLOGIST, 61 



PASTINACA, Toum. Parsnip. 

 P. sativa, L. {Peucedanum sativum, Benth. & Hook.) Common Parsnij). 

 Occasionally adventive throughout the state. [Common in Manitoba, Maeoun.] 



ARCHEMORA, DC. Cowbai^e. 



A. rigida, DC. Cowbane. Water Dropwort. 



Upper Mississippi river, Garrison; Wahasha., G-Wson; Hesper, Iowa, Mrs. Carter. 

 (The var. ambigua,Torr. & Gray, probably also occurs in Minnesota. Arthur.) Infre- 

 quent. South. 



CYM:OPTERUS,Raf. Cymopterus. 



C. g"loiiieratus, Raf.* Cymopterus. 



"Bend of Eed river" [at Breckenridge], iapTiom (according to his ticket of speci- 

 mens in tbe herbarium of Harvard college, Watson). West. 



ARCH ANGELICA, Hoifm. Aechangelica. 



A. liirsuta, Torr. & Gray. Archan^elica. 



Anoka county, Jiim; lake Pepin, iUiss Manning. Kare. South. 



A. atropui'purea , Hoffm. Great Angelica. 



Common, or frequent, through the nortti half of the state, excepting perhaps far 

 northwestward; found in Clay county in the Red river valley, Gedge; extending south 

 to lake Pepin, iWiss Ma?mmg, Cannon Eiver Falls, Blake, Sandberg, and New Uhn, 

 Juni. 



SELI]SrUM,L. Hemlock-Paksley. 



S. Canaclense, Michx. (Conioselinum Canadense, Torr. & Gray.) Hem- 

 lock-Parsley. 

 Upper Mississippi river, Garrison. Kare. 



^ETHUSA, L. Fool's Parsley. 



JE. Cynapium, L. FooVs Parsley. 



Near Lake City, Miss Manning; Nicollet county, Aiton. Eare. South. 



*Cymopterits, Eaf . Calyx-teeth rather prominent and setaceous or lanceolate, 

 minute or obsolete. Petals ovate, oblong or oblanceolate, inflexed, quasi-emarginate. 

 Disk flattened around the styles, undulate-margined. Fruit ovate or elliptical, obtuse 

 or retuse, subterete or slightly compressed dor.sally ; carpels semi-terete; ribs thick and 

 elevated, all or only the lateral ones or those opposite to the calyx-teeth expanded 

 into wings ; vittte numerous, narrow. Carpophore 2-parted, free or attached to the 

 carpels. Seeds much compressed dorsally and more or less concave on the face.— 

 Perennial and subcsespitose, with a thickened caudex ; leaves pinnately decompound, 

 with narrow, small or inclsely pinnatifid segments; umbels compound, usually few- 

 rayed ; involucral bracts 1 to 2 or none; of the involucels several, very narrow or broad 

 and membranous ; flowers white or yellow. Benth. & Hook. 



Cymopterus glomeratus, Eaf. Koot thick and fusiform ; plant 3 to 8 inches 

 high ; caudex about 1 inch high, sometimes divided, bearing the leaves and peduncles 

 at the summit; leaves on long petioles ternately divided and bipinnatifid, segments 

 oblong-linear; rays of the umbel 4 to 6, very short; peduncles much shorter than leaves, 

 6 to 12 lines long ; flowers white, those of the center abortive, pedicellate; leaflets of 

 the palmately 5- to 7- parted involucel coherent at base and partly adnate to the rays of 

 the umbellets ; calyx-teeth subulate ; fruit elliptical, 4 lines long, wings thickened and 

 somewhat spongy, more or less obsolete; vittse in each interval 3 or 4, in the commissure 

 about 8. Porter and Coulter's Flora of Colorado. 



