WOOTON AND STANDLEY FLOEA OF NEW MEXICO. 693 



Range: Mountains of southern New Mexico and Arizona. 



New Mexico: Black Range; MogoUon Mountains; \\'Tiite and Sacramento moun- 

 tains. Transition Zone. 



44. BERTHELOTIA DC. 



Shmb 1 meter high or more with numerous erect branches; leaves alternate, sericeous, 

 linear-lanceolate, entire; involucre campanulate, the outer bracts obtuse and tomen- 

 tose, the inner linear and deciduous; pappus of sterile flowers of rigid bristles with 

 thickened tips; flowers pinkish. 



1. Berthelotia sericea (Nutt.) Rydb. Bull. Torrey Club 33: 154. 1906. 



Cachanilla. Arrow-wood. 



Polypappus sericeus Nutt. Joum. .\cad. Phila. II. 1: 178. 1848. 



Tessaria borealis Torr. & Gray in Emory, Mil. Reconn. 143. 1848. 



Pluchea borealis A. Gray, Proc. Amer. Acad. 17: 212. 1882. 



Type locality: "Rocky Mountains of Upper California." 



Range: Colorado and Utah to Texas and California. 



New Mexico: Rio Grande Valley, from Socorro southward. Along streams and in 

 valleys, in the Lower Sonoran Zone. 



45. PLUCHEA Cass. Marsh pleabane. 



Stems herbaceous, 50 to 100 cm. high; leaves oblong-lanceolate to ovate, dentate, 

 large; bracts ovate or lanceolate, acute, purplish; pappus alike in both kinds of flowers, 

 soft, not thickened at the tips; flowers dull purple. 



1. Pluchea camphorata (L.) DC. Prodr. 5: 451. 1836. 

 Erigeron cnmphoratum L. Sp. PI. 864. 1753. 

 Type locality: "Habitat in Virginia." 



Range: Massachusetts to Florida, Texas, Arizona, and California. 

 New Mexico: Roswell. Salt marshes and alkaline soil. 



46. STYLOCLINE Nutt. 



Densely woolly annual, branched from the base, with entire alternate leaves and 

 small woolly heads clustered at the ends of the branches; bracts thin, inclosing the 

 achenes and falling with them; achenes compressed, obovoid or oblong; pappus of 

 few capillary bristles in the sterile flowers. 



1. StylocHne micropoides A. Gray, PI. Wright. 2: 84. 1853. 



Type locality: "Hills near Frontera, New Mexico." 



The type locality is doubtless in Texas instead of New Mexico, but very near the 

 State line. The plant has also been collected in the Black Range by Metcalfe. 



47. EVAX Gaertn. 



Slender woolly annual, much branched from the base, with narrow alternate leaves 

 and small, densely woolly heads clustered at the ends of the branches; bracts of the 

 involucre very thin, loose, deciduous at maturity from the convex 'receptacle; achenes 

 compressed, smooth or nearly so; pappus none. 



1. Evax multicaulis DC. Prodr. 5: 459. 1836. 



Filaginopsis multicaulis Torr. & Gray, Fl. N. Amer. 2: 263. 1842. 



Type locality: "In Mexico circa lacum Sancti-Nicolai in sinu Spiritus-Sancti." 



Range: Texas to southern California, south into Mexico. 



New Mexico: Hondo Hill (Wooton). Dry plains and hills, in the Upper Sonoran 

 Zone. i 



