Notes on Minnesota Species of Laciniaria. 57 



Frequent in the central portion of the state, but rare 

 north and south. 



Specimens from Brainerd (Macmln & Sheld.), Goodhue 

 county (Sandberg), Minneapolis (Herrick), Glenwood 

 (Taylor). 



L. cylindracea (Michx.) O. K. — Yar. solitaria Macmln.* 

 Differs fron the type of the species in having a bushy stem 6 

 to 12 inches high, heads somewhat larger, never spiked, but 

 solitary, terminal, erect or nodding. 



This variety has much more the aspect of a pink than a 

 Blazing Star. 



Specimens from Brainerd (Macmln & Sheld.), Glenwood 

 (Taylor). 



§2. Pappus minutely plumose ; heads 3 to 6-flowered ; 

 bracts of the involucre acuminate or mucronate, coriaceo- 

 herbaceous, not append aged ; corolla-lobes naked ; leaves all 

 narrowly linear and the upper generally acerose. 



3. L. punctata (Hook.) O. K.— Stems erect, 6 to 30 

 inches high, from a thick and branching or sometimes globu- 

 lar rootstock ; leaves and bracts punctate, rigid ; head 4 to 

 6-flowered, oblong or cylindraceous, from one-half to three- 

 fourths inch long. Mostly numerous and crowded in a 

 dense, often leafy, spike; bracts oblong, abruptly cuspidate- 

 acuminate, often languinous ciliate. Dry prairies and plains. 

 Saskatchewan and Minnesota, west to Montana and Colo- 

 rado, south to Texas and New Mexico. Common in the 

 prairie region of the state, more rare eastward. 



Specimens from Red Wing, Cannon Falls (Sandberg), 

 Blue Earth county (Leiberg), Cedar Lake (Holtz), Monte- 

 video (Moyer), Lake Benton, Minneapolis (Sheldon), Emmet 

 county, Iowa (Cratty), Lindbourg, Kansas (Bodin). 



FORMS. 



A. albiflora n. f. — Six inches to a foot high, spike short, 

 heads 4 to 6, 2 to 6-flowered, bracts abruptly acuminate. 



High crests of the Cotean des Prairies, Lincoln county. 



B. corymhosa n. f. — Heads 1 to 3, borne on the ends of 

 leafy ascending branches, 3 to 5 inches in length, tips of the 

 involucre gradually acuminate, spreading. 



♦Bot. Gaz.Jan. 1891. 



