Victorian Plants. 319 



1438. Involucre almost hemispherical. 



Never tall ; leaves from elliptic- to cunea'te- linear, the 

 lower often opposite ; headlets of flowers singly terminal ; 

 involucral bracts in few rows, the outer broad, blunt 

 and often somewhat brownish, the inner forming a yellow 

 or white ray ; fruits beset with silky vestiture. 



H. polygalifolium. 



Involucre almost hemiellipsoid. 



Seldom tall ; leaves from elliptic- to linear-lanceolar, 

 greyish-green ; headlets of flowers singly terminal on 

 the stem or on stalk-like branches ; involucral bracts 

 in few rows, the outer brownish, the inner forming a 

 small white or yellow ray ; flowers comparatively few 

 within each involucre ; fruits beset with silky vestiture, 

 those of the central flowers imperfect. H. strictuin, 



1439. Inner involucral bracts forming a conspicuous ray ... 1440 



Inner involucral bracts forming a minute ray or 

 unexpanding ... ... ... ... 1443 



1440. Headlets of flowers singly terminal 1441 



. Headlets of flowers crowded ... .. ... ... 1442 



1441. Fruits turgid. 



Never tall, somewhat beset with cottony hairlets ; leaves 

 from cylindric- to narrow-linear, rather short ; headlets 

 of flowers almost hemispherical ; outer involucral bracts 

 broadish, "inner forming a white or yellow ray ; fruits 

 wrinkled-rough, glabrous, those of some of the central 

 flowers imperfect ; pappus upwards yellowish. 



H. Cotula. 



Fruits flat. 



Always dwarf, nearly glabrous or beset with cottony 

 hairlets ; leaves from filiform- to narrow-linear ; headlets 

 of flowers turbinate-hemispherical, on scariously bracteate 

 stalks ; outer involucral bracts yellow or of tener brownish, 

 inner forming a yellow ray ; fruits glabrous ; pappus 

 yellow towards the summit. H. hyalosperiimm. 



1442. Headlets of flowers rather large. 



Never tall, closely beset with interwoven hairlets ; leaves 

 flaccid, from linear- to lanceolar-elliptical ; headlets 

 of flowers almost semiovate, exceptionally solitary ; 

 receptacle elevated ; outer involucral bracts blunt, 



