STATE GEOLOGIST. 83 



C. aristosa, Michx. Tickseed. 



Anoka county, Juju; peal bogs, Blue Earth county, Leifterfir. Infrequent. South. 



C. tricliospernia, Michx. Tickseed Sunflower, 

 Lapham. Saint Paul, ETeiZej/. Southeast. 



BIDENS, Tourn. Bur-Marigold. 



B. frondosa, L, Common Beggar-ticks. Stick-tight. 

 Common, or frequent, throughout the state. 



B. coiinata, Muhl. Swamp Beggar-ticks. 



Lapham. Blue Earth county, iefbej-fif; Minneapolis, Bofcerts. South. 



B. cerniia, L. Smaller Bur-Marigold, 



Common north of lake Superior, Roberts, and at Glenwood, Pope county, Upliam; 

 Stearns county, Campbell; Anoka county, also New Ulm, Juni; Ramsey county, Kelley ; 

 lake Pepin, Miss Manning; Nobles county, Leiberg; not common southward, nor in 

 the Eed river valley. 



B. chrysaiithemoides, Michx. Larger Bur-Marigold. 

 Common throughout the state. 



B. Beckii, Torr. Water Marigold. 



St. Croix river to the sources of the Mississippi, Houghton; lake of the Woods, 

 Dawson; Minneapolis (common), Boberte. Probably frequent throughout the state. 



DYSODIA, Cav. Fetid Marigold. 



D. chrysaiithemoides, Lag. Fetid Marigold. 

 Nobles county, ieiberff. Infrequent. South. 



GAILL.ARDIA, Fougeroux. Gaillaedia. 



G. aristata, Pursh.* Gaillardia. 



Lapham. Ked river valley, in Clay county, Gedge, Marshall county, Winehell, and 

 near Saint Vincent, Scott. West. 



♦Gaillardia, Fougeroux. Heads many-flowered, radiate; rays neutral, deciduous, 

 many-nerved, the apex trifld ; disk-flowers perfect, tha tube short, the 5-cleft limb his- 

 pid with articulate usually colored hairs. Receptacle convex, usually flmbrillate. In- 

 volucral scales in two or three series, from a rigid base, running into a leafy appendage 

 longer than the disk. Branches of the style terminated by a long awl-shaped hispid 

 appendage. Acheniaoblong or inversely pyramidal, villous. Pappus of 6 to 10 mem- 

 branous or hyaline scales, the midnerve produced into a slender awn.— North American 

 herbs more or less pubescent or glandular. Leaves alternate, the lower ones petloled 

 and often lobed, the upper sessile and entire. Heads on long naked peduncles. Rays 

 yellow, often saffron-colored or brownish-purple at the base. Disk-flowers yellow or 

 violet. Bot. Rep. of King's Expl. of the Fortieth Pa7'allel. 



G. ARISTATA, Pursh. Perennial, villous-pubescent or almost tomentose with jointed 

 hairs ; stem simple or branched, 1 to 2 feet high ; leaves minutely punctata ; radical 

 and lower ones lanceolate, tapering into slender petioles, sinuate pinnatlfid or coarsely 

 toothed, minutely serrate or nearly entire ; the uppermost linearor oblong-lanceolate, 

 sessile, usually dilated at the base and partly clasping ; heads large, VA to 2H inches In 

 diameter, including the rays ; involucre hirsute ; corollas of the disk with short, broadly 

 subulate teeth, of a rich brownish-purple or maroon color ; rays 10 to 18, crowded, 

 elongated-cuneiform, deep yellow; chaff of the pappus 6 to 8, broadly lanceolate ; ftm- 

 brillae of the receptacle few, aristaeform, slender, distinct, not dilated at the base, 2 to 

 3 times the length of the nearly smooth achenia. Porter and Coulter's Flora of Colorado, 



