336 CARDUACEAE. 



Tips of the bracts not spreading ; leaf-blades 2-4 cm. long. 



3. C. albicaulis. 

 Tips of the bracts spreading, squarrose ; leaf-blades less than i cm. long 



4. C. scaber. 

 Leaves subsessile or very short-petioled, spinulose-toothed ; bracts firm, 3-6 



mm. wide. 6. C. atractyloides. 



Leaves linear or oblong, sessile. 5. C. linifolius. 



1. Coleosanthus grandiflorus (Hook.) Kuntze. (Brickellia grandiHora 

 Nutt.) In canons, "bad-lands" and draws from Mont, and Wash, to Colo, 

 and Ore. Alt. 4000-8000 ft. Columbine; Trappers' Lake; canon north of 

 Palmer Lake; bank of Poudre, La Porte. 



2. Coleosanthus umbellatus Greene. {Brickellia grandiftora minor A. Gray ; 

 Coleosanthus congestus A. Nels.) On hillsides and in canons from Wyo. to 

 N. M. and Ariz. Alt. 5000-10,000 ft. Colorado Springs; near Empire; 

 Boulder Canon, Boulder Co. ; Pike's Peak ; foot-hills, Larimer Co. ; George- 

 town ; Trout Creek ; Jefferson Co. ; Golden ; Canon City ; near Pagosa Peak ; 

 southeast of Ouray; Black Canon; Idaho Springs; La Poudre; Redstone; 

 mountains between Sunshine and Ward; Steamboat Springs; Elk Canon; 

 Powder River ; Table Rock ; Hayden ; Roaring Fork, Larimer Co. 



3. Coleosanthus albicaulis Rydb. (Brickellia Wrightii Gray, in part.) In 

 canons and on foot-hills from Colo, and Utah to N. M. Alt. 5000-8000 ft. 

 Lower Boulder Canon; Trail Glen; Manitou; Golden; Mt. Harvard; foot- 

 hills, Larimer Co. ; near Boulder ; Spring Canon ; Glenwood Springs. 



4. Coleosanthus scaber Greene. On dry soil in Colo. Alt. about 4700 ft. 

 Deer River; Mesa Verde. 



5. Coleosanthus linifolius (D. C. Eaton) Kuntze. (Brickellia linifolia D. C. 

 Eaton; C. humilis Greene.) In arid soil from Colo, and Nev. to Calif. Alt. 

 4000-7000 ft. Arboles; Grand Junction; canon of Smith's Fork; between 

 Porter and Durango. 



6. Coleosanthus atractyloides (A. Gray) Kuntze. (Brickellia atractyloides 

 A. Gray.) In desert regions from Colo, and Nev. to Ariz, and Calif. 

 Southwestern Colo. 



5. LACINIARIA Hill. BLAZING STAR. 



Pappus plumose; leaves strongly punctate. i. L. punctata. 



Pappus merely barbellate. 



Heads in a short raceme-like inflorescence ; bracts obovate with dark rose- 

 purple, laciniate apices. 2. L. ligulistylis. 

 Heads in a long raceme-like inflorescence ; bracts spatulate or obovate-oblan- 

 ceolate with pale, merely erose apices. 3. L. scariosa. 



1. Laciniaria punctata (Hook.) Kuntze. (Liatris punctata Hook.) On 

 dry plains and hills from Iowa, Sask. and Mont, to Tex. and Ariz. Alt. 

 4000-9000 ft. Miller's ranch ; north slope of Cheyenne Mountain ; Ft. Collins ; 

 Boulder; Denver; Pike's Peak; dry plains northwest of Denver; Westcliffe; 

 Manitou ; Livermore, Larimer Co. ; Cucharas Valley, near La Veta ; New 

 Windsor; Gunnison; mountains between Sunshine and Ward; Table Rock; 

 Poudre Canon; Ft. Collins; Golden; Colorado Springs; Salida. 



2. Laciniaria ligulistylis A. Nels. On hills from Sask. to Colo. Alt. 4000- 

 8000 ft Head of Redstone; Table Rock; La Veta; Alamosa; Twin Lakes; 

 Pagosa Springs ; Larimer Co. ; Parlin, Gunnison Co. ; Westcliffe ; Jack's 

 Cabin ; Trout Creek ; Sugar Loaf Mountain. 



