446 COMPOSITAB. 



aeai the Bummil and Bpicate or capitate; pappus-paleae commonly 10, some 

 (commonly 5) Bubulate, others (commonly 5) shorter ;in<l blunt. — (C. cepha- 

 lotes ( Greene.) 



Dry hills and mountain slopes: Calistoga and Marin Co., southward to the 

 Santa Cruz Mts. Jnly-Sept. 



4. C. spicata Greene. Slender, simple, rigidly erect, about 1 ft. high; 

 floral leaves terete, truncate at apex and tipped with ;i stipitate gland, ciliate 

 with white hairs; heads subsessile in the axils of all the leaves from below 

 the middle and thus Bpicate; ray-flowers 1 or 2; achenes canescent with 

 appressed hairs, those of the ray scarcely angled; pappus brownish, the paleae 

 10 or 11, subulate, 1 ] ^> times as long as the achene; corolla-lobes of disk- 

 flowers hispidulous. 



Common on the plains of the San Joaquin Valley between Oakdale and 

 La Grange. .Tune. 



5. C. hispida Greene. Erect, simple, 2 ft. high; leaves 2 to 2% in. long, 

 or the fascicled ones much shorter, all hispid, at least towards the base; 

 heads rather large (% in. long) on short axillary branchlets; flowers yellow; 

 rays about 4; corolla-lobes of disk-flowers densely covered on the outside with 

 many short glandular processes or slender papillae; achenes hispid with short 

 brownish appressed hairs; pappus of about 11 subequal paleae tapering to a 

 point. 



San Joaquin Valley: Lathrop; Atwater, Kern Co.; Tehachapi. June. 



51. BLEPHARIZONIA Greene. 

 Stout somewhat coarse and hirsute annuals with glandular-viscid ill-scented 

 herbage. Cauline leaves linear and entire, those of the branches oblong to 

 oval. Flowers yellow, the heads arranged in panicles. Kay-flowers 7 to 10, 

 with 3-lobed ligules; disk-flowers 10 to 2.1, the outer ones subtended by 1 or 2 

 series of linear bracts. Achenes silky-hirsute, 10-striate; those of the disk 

 more or less fertile, crowned by a pappus of about 20 short and stout densely 

 plumose awns; those of the ray fertile, elongated-turbinate, the pappus like 

 that of the disk or dissimilar and minute. (Greek blepharis, an eyelash, and 

 zonia, a girdle, in reference to the circle of pappus-awns.) 



Pappus of disk and ray unlike 1. B. plumosa. 



Pappus of disk and ray similar 2. B. laxa. 



1. B. plumosa (Kell.) Greene. Two to 3 ft. high, copiously beset above 

 with tack-shaped glands; leaves on the branchlets small and bract-like; heads 

 1.1 to 20-flowered, racemosely disposed on the branches; bracts of the involucre 

 short and very glandular; ray-aehenes with a minute crown of short scales; 

 disk achenes with nearly erecl plumose bristles as long as the achene. — (llemi- 

 zonia plumosa Gray.) 



Antioeh and Stockton. 



2. B. laxa Greene. Three to 6 ft. high; heads larger, borne singly at the 

 ends of the branches, 20 to 25-flowered; pappus of disk-achenes short and 

 spreading, less plumose than iii the preceding, only v :, :is long as the achene; 

 ray-acnenee similar. (Hemizonia plumosa v&t. Bubplumosa Gray.) 



Stockton to Stanislaus Co. Doubtless not specifically distinct from the 

 preceding. 



52. LAYIA IT. & A. 



Vernal annuals with alternate Leaves (or the lowest opposite in one Bpecies) 

 ami usually showy heads of (lowers terminating the branches, Disk-corollas 

 yellow. Bay-flowers 8 to 20, yellow, white, or yellow tipped with white. Bracts 



