WOOTON AND STANDLEY FLOEA OF NEW MEXICO. 693 



Range: Mountains of southern New Mexico and Arizona. 



New Mexico: Black Range; Mogollon Mountains; "White and Sacramento moun- 

 tains. Transition Zone. 



44. BERTHELOTIA DC. 



Shrub 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. 



Poly pappus sericeus Nutt. Journ. Acad. Phila. II. 1: 178. 1848. 



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



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



Type locality: "Rocky Mountains of Upper California." 



Raxge: 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 camphoratum 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 Null 



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. Stylocline micropoides A. Gray, PI. Wright. 2: 84. 1853. 



Type locality: 'Hills near Front era. New Mexico." 



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

 State line. The plant has also been collected in the Blaek Kan^e by Metcalfe. 



47. EVAX Gaertn. 



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

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

 involucre very thin, loose, deciduous at maturity from the com e\ receptacle; acheni - 

 con i pressed, smooth or nearly so; pappus none. 



1. Evax multicaulis DC. Prodr. 5: 459. L836. 



Filaginoptis multicaulis Torr. & Cray, PI. N. Amer. 3: 263. 1842 



Type lo< ujty: "In Mexico circa lacum Sancti-Nicolai in sinu Spiritus-Sancti." 



Ram. i Texas to southern I ialifornia, south into Mexico. 



\i :w MiMi.c Hondo Hill Wooton). I>n plains and hills, in the Upper Sonoran 

 Zone. 



