CATALOGUE. 159 



acuminate foliaceous tips ; rays 3-4, oblong ; disk-flowers 15-20, their styles 

 with very long linear-lanceolate hispid appendages ; achenia appressed hairy ; 

 pappus of soft slightly fulvous capillary bristles. — Plant with much the 

 look of a Linosyris, and, indeed, the var. angustatus, Gray, (/. c, 7. 354,) has 

 some of its heads quite ray less. Mount Davidson (Bloomer ! ;) near Carson 

 City, (Anderson ;) the variety, California, (Brewer, etc.) 



Aplopappus nanus. {Ericameria nana, Nutt.) A low branching heath- 

 like shrub, 3-8' high, glabrous and somewhat glutinous ; leaves crowded, 

 3-6" long, linear-spatulate, rigid, channeled, acute, and with minute leaves 

 fascicled in their axils ; heads small, corymbed ; involucre turbinate, of numer- 

 ous lanceolate carinate chartaceoUs scales, with scarious margins, very acute ; 

 the outer ones small and passing into the leaves ; rays 4-6 ; disk-flowers 8-9, 

 as long as the rays ; branches of the style (in the disk-flowers) linear- 

 subulate, the hirsute appendages much longer than the stigmatic portion. — 

 Blue Mountains of Oregon, (Nuttall.) On rocky ridges. East and "West 

 Humboldt Mountains, and in Thousand Spring Valley, Nevada ; 6-7,000 feet 

 elevation; August, September. (571.) 



Aplopappus suffeuticosus, G-ray. Proc. Amer. Acad., 6. 542. (Mac- 

 ronema suffruticosus, Nutt.) A span high, from a stout woody base ; 

 stems many, slender, green, and like the leaves glandular-puberulent, leafy to 

 the summit; leaves 8-10" long, 2" broad, obovate-spatulate, entire, 1-nerved, 

 slightly apiculate ; heads solitary or several in the terminal corymb ; involucre - 

 turbinate ; the linear-lanceolate scales lax, sub-equal, acute ; outer ones 

 wholly or partly herbaceous ; inner ones chartaceous, with scarious lacerate- 

 cihate margins ; rays 3-10, at first twice as long as the disk ; disk-flowers 

 about 30 ; style much as in the next ; achenia linear, pubescent. — Blue 

 Mountains of Oregon, (Nuttall;) Cahfornia, (Brewer !) East and West 

 Humboldt Mountains ; 6-7,000 feet altitude ; August, September. (572.) 



Aplopappus Macronema, Gray, I. c. {Macronema discoidea, Nutt.) A 

 span high from a slender, branching, woody base ; the terete stems white- 

 tomentose ; leaves linear-oblong, obtuse or apiculate, 8-12" long, 2-3" wide, 

 obscurely 3-nerved, minutely glandular and scabrous ; heads single or few in 

 a corymb, turbinate ; scales few, sub-equal, broadly lanceolate, glandular ; 

 the outer ones herbaceous, at least in part ; rays none ; disk-flowers about 25 ; 

 branches of the style very long, filiform, much exserted, the hispid part twice 



