60 TAVELFTH ANNUAL REPORT. 



SANICULA, Tourn. Sanicle. Black Snakeroot. 



S. Cauacleiisis, L. Sanicle. Black Snakeroot. 



Common, or I'requeut, through the south part of the state ; extending north at least 

 to Pine and Sherburne counties (common,) TJpliam, and Stearns county, Campbell. 



S. MarylaiJtlica, L. Sanicle. Black Snakeroot. 

 Common, or frequent, throughout the state. 



ERYNGIUM,Tourn. Eryngo. 



E. yuccnefoliuni, Michx. Rattlesnake-Master. Button Snakeroot. 



Common southeastward ; extending north to Rice and Nicollet counties, and west 

 to Martin county and the southeast part of Brown county, U}}hain. 



DAUCUS, Tourn. Carrot. 



D. Carota, L. Common Carrot. 



Occasionally spontaneous : Nicollet county, Alton; Lake City, Miss Manning. 



CARUM, L. Caraway. 



C. Carui, L.* Common Carauaij, 



"Self-seeding" northeastward, Clark; not infrequently adventive, Todd, Isanti and 

 Steele counties, Upham. 



POLYT.?ENIA, DC. Polyt.enia. 



P. Nnttallii, DC. Polyttenia. 

 Lapham. Rare. South. 



HEKACLEUM,L.. Coav- Parsnip. 



H. lanatuiii, Michx. Cow-Parsnip. 



Frequent throughont the state; abundant north of lalie Superior. 



PEUCEDANUM, L. Peucedanum. Hog's-Fennel. 



P. imdicaiile, Nutt.f Peucedanum. Hoor's-Fennej. 



Roclc county, Leiberg; extending northeast to Saint Cloud, Stearns county ( bluff of 

 Mississippi river, near the Normal School) 3/rs.ii;aisde;i, determined by Prof. Asa Gray. 

 " Abundant on gravelly drift knolls in southwestern Minnesota and northwestern Iowa; 

 remarkable for being the earliest flowering plant of that region, blooming almost as 

 soon as the snow has disappeared." Leiberg. Southwest. 



*Carum Carui, L. Finely pinnately compound leaves ; stem-leaves with slender but 

 short thread-shaped divisions ; white flowers; oblong, highly aromatic fruit. Oray'a 

 Field, Forest, and Garden Botanu. 



IPeucedanum nudicaule, Nutt. daulescent or sometimes scarcely so, minutely 

 pruinose-pubesceut, 3 to 15 inches high ; leafy only at base ; leaves bipinnate or ter- 

 nate-bipinnate, the segments incisely lobed with usually rather broad and subacute 

 divisions ; umbel somewhat capitate in flower, with 8 to 12 rays ; Involure none ; invo- 

 lucels unilateral, of 6 to 10 membranously margined, more or less united bracts ; petals 

 white, with attenuated apex and quasi-obcordate ; calyx-teeth short ; fruit pubescent, 

 broadly oval, 3 to 4 lines long and 3 lines broad, the thicklsh wing more than half as 

 wide as the seed ; vittpe 3 in the intervals, 6 upon the commissure, conspicuous ; seed 



flattened As observed by Dv, Gray, the plant does not accord with Nuttall's 



description, nor in all respects with the characters of the genus ; the lateral wings, 

 however, are contiguous until the full maturity of the seed. Watson's Rep. in King'a 

 E.tpl. of the Fortieth Parallel. 



