STATE GEOLOGIST. 61 



PASTINACA, Tourn. Parsnip. 

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

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



ARCHEMORA, DC. Cowbane. 



A. rig'ida, DC. Cowbane. Water Dropwort. 



Upper Mississippi river, Garrison; Wabasha, Gibson; Hesper, Iowa, Mrs. Carter. 

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

 quent. South. 



CYMOPTERUS, Raf. Cymopterus. 



C. g'loineratus, Raf.* Cymopterus. 



"Bend of Red river" [at Breckenrldge], Z/rty>/!a()i (according to his ticket of speci- 

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



ARCHANGELICA, Hoffm. Archangelica. 



A. hirsuta. Torn & Gray. Archangelica. 



Anoka county, Jtmi; lake Pepin, 31(.ss Manning. Rare. South. 



A. atropurpurea, Hoffm. Great Angelica. 



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

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

 to lake Pepin, -Wiss 3f (Kminy, Cannon River Falls, Blake, Sandhcrg, and New Ulm, 

 Juni. 



SELINUM, L. Hemlock-Parsley. 



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

 lock-Parsley. 

 Upper Mississippi river. Garrison. Rare. 



.^THUSA, L. Fool's Parsley. 



^. Cijnapiuin, L. FooVs Parsley. 



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



*Cymopterus, Raf. Calyx-teeth rather prominent and setaceous or lanceolate, 

 minute or obsolete. Petals ovate, oblong or oblanceolale, inflexed, quasi-eniarginate. 

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

 or retuse, subterete or slightly compressed dorsally ; carpels semi-terete; ribs thick and 

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

 into wiugs ; vittre 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 subcajspitose, 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. Denth. & Hook. 



Cymopterus glomeratus, Raf. Root thick and fusiform ; plant 3 to 8 inches 

 high ; caudex about l 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, Avings thickened and 

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

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



