SUNFLOWER FAMILY. 469 



leaves; outer bracts or involucre linear-lanceolate, somewhat herbaceous; inner 

 bracts pearly white, tapering into a long awn which conspicuously equals or 

 exceeds the flowers and the dark red pappus; achenes very short and turgid. 



Sandy plains and foothills on the eastern side of the Sacramento and San 

 Joaquin valleys. Aug. 



86. BELLIS L. Daisy. 



Low herbs with (in ours) radical Leaves and solitary heads on scape-like 

 peduncles. Disk yellow. Bays white, or tinged with pink. [nvolucre hemi- 

 spherical, its bracts wholly herbaceous and green, equal, in 2 rows. Receptacle 

 conical, destitute of bracts. Achenes flattened, without pappus. (Latin bellus, 

 pretty.) 



1. B. perennis L. Tufted perennial; leaves obovate, sparingly toothed, 

 narrowed at base to a margined petiole, 1 to 1% in. long; peduncle about 4 

 in. high; rays about 50. 



An occasional escape from gardens: Berkeley; Mill Valley. Established 

 about Humboldt Bay. 



87. CORETHROGYNE DC. 

 Perennial herbs, some resembling Lessingia, others Aster, but flowering in 

 late spring or summer. Herbage whitened when young with a cotton-like 

 tomentum, which is often deciduous in age. Heads solitary or corymbose or 

 paniculate. Involucre hemispherical to turbinate, imbricated. Receptacle pitted. 

 Ray-corollas ligulate, neutral. Style-appendages comose or with a bearded 

 tuft. Achenes silky or pubescent. Pappus reddish brown, of rigid capillary 

 bristles, present in the disk, reduced or none in the ray. (Greek korethron, 

 besom, and gune, style, on account of the brush-like tuft of hairs on the 

 style tips.) 



Stem erect or ascending. 



Heads in a panicle 1. C. filaginifolia. 



Heads on long corymbosely disposed peduncles 2. C. viscidnla. 



Stems decumbent or prostrate; heads mostly solitary 3. C. califomica. 



1. C. filaginifolia (H. & A.) Xutt. Two ft. high or more; tomentum fJoc- 

 cose-deciduous; lower leaves 2% in. long, oblong-spatulate, narrowed to 

 a slender petiole, passing into the upper small bract-like sessile ones, sparingly 

 serrate towards the apex; heads turbinate-campanulate, 4 lines high, solitary 

 and terminal on the branches or more numerous and loosely paniculate; rays 

 violet. 



Common at Monterey and south to Santa Barbara. 



C. leucophylla Menzies. Small depressed persistently white-woolly plant; 

 leaves numerous on the stems, % in. long or less. — Sand dunes at Monterey. 



2. C. viscidula Greene. Slender, loosely eorymbose-panicled, 13 to 17 in. 

 high; herbage hoary when young, becoming green and more or less glabrate; 

 stems and both surfaces of the leaves glandular-scabrous; leaves oblanceolate, 

 acute, serrulate, reticulate-venulose; heads 5 or 6 lines high, on rather long 

 corymbosely disposed peduncles; peduncles with short-stipitate glands; in- 

 volucre hemispherical, its bracts rather strongly imbricated and also viscid- 

 glandular; pappus light brown. 



Monterey, Parry, 1888; Santa Cruz Co., Jcpson, 1896. Var. greenei Jepson. 

 Lanate or floccose-tomentose, in age more or Less glabrate, the peduncles and 

 involucres glandular, the former with some Btipitate glands as in the type; 

 stems tutted, erect or ascending, 1 ft. high; leaves spatulate-oblong or above 

 linear, entire or serrate towards the apex, 1 to IV. in. long; rays violet-purple; 

 pappus rusty brown. — Dry cafions of Contra Costa and Alameda cos.: Niles, 



