340 DESCRIPTION OF ASTERS ; MACROPHYLLI 
caulines with strap-wings soon succeed the few lower caulines of 
quadrate-orbicular type. 
Leaves serrate with rather coarse teeth, firm, full-green, paler 
beneath. 
Minute capitate glands occur close together all over, and oc- 
casional strigose hair also nearly to the base. 
Inflorescence a rounded dome of close heads; rays very thin, 
much crinkled and purple or leaden-blue in drying, some remain- 
ing sky-blue ; their form oblong and strap-like. 
Bracts of three types, the outermost triangular-ovate-acute, the 
next outer resembling those of A. divaricatus in their rounded trun- 
1 
: E 
Aster quadratus — c 
G. 
cate apex and flat green backs. These both are narrowly scarious- 
margined, and the latter have the upper edges of the spatulate 
green-tip much darkened. Chief bracts follow, very much longer 
and thinner, oblong with taper-acute apex, with small dark linear 
green-tip pale-margined below, the brown midrib narrow an 
green-bordered, followed by a broad scarious portion, the inner 
