—— 
— —— 
eee 
BELLIS. COMPOSIT A 305 
BOLT NIA. 
corolla yellow or rarely cream-color, sometimes changing to purple. 
Recep'acle naked. 
18 BELLIS | ourn (palrsy) 
Ours low perennial herbs with spatulate leaves and solitary 
heads of various colored flowers tefminating simple scapes. 
Heads many-flowered, the ray-flowers pist llute, in a single 
series, those of the disk tubular and perfect. Involucre cam- 
panulate, its bracts somewhat ina double series, foliaceous, 
herbaceous or somewhat membranaceous, equal. The receptacle 
conical, slightly alveolate. Branches ot the style tipped with a 
short triangular appendage. Achenes obovate, compressed, 
sligntly hairy or hispid. Pappus none. 
B. PerEnnNis L. Sp. 1248. Leaves ali radical: spatulate-obovate, 
crenately dentate, obscurely 3-nerved, 1-2 inches long. heads large termin- 
ating simple scapes: bacts of the invojucre oblong, obtuse, somewhat 
fgliaceous, equa]: ray-flowers narrow, twice as long as the involucre. Es- 
caped from gardens and hecoming naturalized along the coast. 
14 BOLTONIA 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 many-flowered, the ray-flowers numerous, pis- 
tillate, ina single series; disk-flowers tubular perfect. Scales of 
the hemispherical involeure imbricated, somewhat in 2 series, 
appressed, scarcely as long as the disk, with somewhat mem- 
branaceous margins. Receptacle hemispherical or conical, ob- 
scurely alveolate. Branches of the style linear-obleng, with 
very short appendages. .Achenes compressed, obovate, 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. occidentalis B lotisqvema var oecidentalis 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 squamellz smal]. River-bottoms of Un- 
ion county, Oregon. 
15 TOWNSENDIA. Hook. FI. ii, 16 t. 119. 
Depressed or low many-stemmed herbs with from linear to 
spatulate entire leaves and comparatively large heads, of from 
violet or rose purple to white ray-flowers. Involucre broad, 
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 with thickish or mostly callous margins, those of 
