BELLIS. COMPOSITE 305 



BOLT NIA. 



rorolla yellow or rarely c/r en m- color ^ tome-times changing to purple. 

 .Rerpp'ncle naked.. 



13 BELLIS 'I ourn (DAISY) 



Ours low perennial herbs with spat n late leaves and solitary 

 heads of various colored flowers t< rminating simple scapes. 

 Heads many-flowered, the ray-flowers pist llate, in a single 

 series, those of the disk tubular and perfect. Involucre cam- 

 panulate, its bracts somewhat in a double series, foliac^ous, 

 herbaceous or somewhat membranaceous, equal. The receptacle 

 conical, slightly alveolate. Branches ot the style tipped with a 

 short triangular appendage. Achenes obovate, compressed, 

 slightly hairy or hispid. Pappus none. 



P>. PEKENNIS L. Rp. 1248. Leaves all tadical: spatulate-obovate, 

 crenately dentate, obscurely x-nerved, 1-2 inches: long, heads large termin- 

 ating simple scapes: b) acts of the involucre oblonr. obtuse, somewhat 

 foliaceous, equa] : ray-flo\vers narrow, twice as long as the involucre. Es- 

 caped from gardens and becoming naturalized along the coast. 



14 BOL'IOMA L'Her. Sert. Angl. 27. 



Glabrous perennial herbs with striate-angled stems, sessile 

 entire leaves and rather showy heads of white, purple or violet 

 flowers. Heads iriany-flowered, the ray-flowers numerous, pis- 

 tillate, in a single series; disk-flow r ers tubular perfect Scales of 

 the hemispherical involcure imbricated, somewhat ifi 2 series, 

 appres^ed. scarcely as long as the disk, wdth somewhat mem- 

 branaceous margins. Receptacle hemispherical or conical, ob- 

 scurely alveolate. Branches of the style linear-oblong, with 

 very short appendages. Achenes compressed, ojpovate, margined 

 with a callous wing, in the ray often 3-winged. Pappus of sev- 

 eral setose bristles and frequently with 2-4 more or less elongat- 

 ed subulate awns. 



B. ovciden tails B lati$qma var Occident" Us Gray. Stems 2-6 feet 

 high, cymose-paniculate at summit: leaves broadly lanceolate or the 

 upper linear-lanceolate: heads short-peduncled : bracts of the involucre ob- 

 long, obtuse : ray flowers white, 4-5 lines long: awns of the pappus pres- 

 ent and conspicuous, the setulose squamellse smail. River-bottoms of Un- 

 ion county, Oregon. 



15 TOWNSENDI.\. Hook. Fl. ii, 16 1. 119. 



Depressed or low many-stemmed herbs w r ith from linear to 

 spatulate entire leaves and comparative!} 7 large heads, of from 

 violet or rose purple to white ray-flowers. Involucre broa.l, 

 many-flowered, imbricate: the bracts lanceolate, with scarious 

 margins and tips, outer usually shorter and inner more mem- 

 branaceous. Keceptacle broad, merely areolate, flat. Stvle-ap- 

 pendages lanceolate. Achenes obovate or oblong much com- 

 pressed and wdth thickish or mostly callous margins, those of 



