Victorian Plant*. 301 



somewhat cottony underneath ; headlets of flowers small, 

 on abbreviated branchlets terminal ; floral ray usually 

 white ; corolla of central flowers pale ; fruits generally 

 beset with hairlets. A. ramulosus. 



1364. Leaves soon spreading. 



An alpine shrub, finally tall ; branchlets very slender, 

 their vestiture appressed ; leaves minute, from narrow- 

 elliptical to almost ovate, recurved at the margin, many 

 in clusters; headlets of flowers very small, singly terminal, 

 but crowded into almost leafy paniculate spikes ; involu- 

 cral bracts comparatively few ; floral ray white ; fruits 

 generally somewhat beset with hairlets. 



A. florulentus. 



Leaves permanently appressed. 



A shrub, finally rather tall ; vestiture of branchlets some- 

 what cottony ; leaves very minute, from elliptical to 

 almost orbicular, recurved at the margin, many in clusters; 

 headlets of flowers singly terminal on the ultimate 

 branchlets ; floral ray usually white ; fruits generally 

 beset with hairlets. A. lepidophyllus. 



1365. Corollas of central flowers violet 1366 



Corollas of central flowers yellowish or seldom 

 whitish 1367 



1366. Leaves beset with starry vestiture underneath. 



Finally tall ; leaves from broad-linear to narrow-elliptical, 

 blunt, wavy and recurved at the margin, often faintly 

 lobed ; headlets of flowers rather small, singly terminal, 

 conspicuously stalked ; involucral bracts almost in two 

 rows, of nearly equal length ; floral ray bluish ; fruits 

 often invested with shining hairlets. 



A. asterotrichns. 



Leaves beset with silk-like vestiture underneath. 



Finally tall ; vestiture of branchlets appressed ; leaves quite 

 small but firm, from elliptic- to spatular-cuneate, recurved 

 at the margin, entire or at the upper end indented ; 

 headlets of flowers rather small, singly terminating 

 branchlets, but often forming leafy corymbs ; involucral 

 bracts in few rows, bluish at the margin ; floral ray 

 bluish ; fruits nvested with shining appressed hairlets. 



A. ioclochrous. 



