58 Notes on Minnesota Species of Laciniaria. 



High crests of the Coteau des Prairies, Lincohi county. 



§ 3 . Pappus from barbellulate to minutely short plumose 

 under a lense, not to the naked eye. 



* Heads subgloboseor hemispherical, 15 to 40-flowered ; 

 involucral bracts many-ranked, somewhat spreading; corolla 

 lobes short. 



L. scariosa (L.) Hill. — Pubescent or glabrate ; stem stout, 

 1 to 5feeet high ; lower leaves spatulate or oblong-lanceolate 

 and tapering to a petiole, uppermost small, linear; heads 

 racemose or spicate, the few to numerous involucral bracts 

 broadest and rounded at the summit, either herbaceous or 

 scarious edged and tipped with purple, greatly variable. 

 Dry and sandy ground, Ontario and New England to the 

 Saskatchewan, west to the Rocky mountains and south to 

 Florida and Mexico. 



Common in the southern and central portions of the 

 state. 



Specimens from Glen wood, Alexandria (Taylor), Blue 

 Earth county (Leiberg), Minneapolis (Herrick), Brainerd 

 (Macmln & Sheld.), Idle wild, Lincoln county (Wickersheim), 

 Montevideo (Moyer), Minneapolis (Oestlund), (Kassube), 

 Goodhue county (Sandberg), Minneapolis, Lake Benton, 

 Sleepy Eye, Springfield. (Sheld.) 



L. scariosa (L.) Hill. Var. corymhulosa Sheld.* — Tall 

 and stout, smooth throughout, except the minutely rough- 

 ened inflorescence; bearing the single heads at the end of 

 leafy ascending branches which are 2 to 6 inches long ; heads 

 longer than in the type; scales of the involucre broadly 

 obovate, dark purple, slightly scarious or not at all. 



This plant was first found by Mr. John B. Leiberg in a 

 bog near Mankato.f 



Recent search has found it to be the prevailing form in 

 bogs and lowgrounds throughout the southern and western 

 portions of the state. 



Specimens have been examined from Blue Earth county 

 (Leiberg), Verdi, Lake Benton, Sleepy Eye, Waseca, Prince- 

 ton, Fergus Falls, Minneapolis (Sheldon), Nicollet county 



* Bull. Geol. Nat. Hist. Surv. Minn., 9, 77, 1894. 

 fUpham, Cat. Flora, Minnesota, p. 69, 1883. 



