568 COMPOSITE. 



especially above; leaves linear to lanceolate, the lowest spatulale or 

 narrowed to a petiole, 2 to 3 in. long; heads small (IJ to 2 lines high), 

 very numerous in a dense panicle; rays very short and inconspicuous, 

 white. 



A naturalized weed very common in waste or half-cultivated lands, 

 in late summer or autunin: North Coast Kanges and the Sacramento 

 Valley southward to Southern California. 



2. E. glaucus Ker. Seaside Daisy. Flowering stems erect, 4 

 to 8 (or 10) in. high, commonly one-headed, arising from a radical 

 tuft of leaves crowning the fleshy caudex and often, also, from 

 rosulate offsets terminating prostrate woody hranches; stems pilose- 

 pubescent, leaves finely puberulent, heads somewhat tomentose; 

 leaves spatulate, obovate, entire, rarely with a small tooth on either 

 side below the apex, 1 to 4 in. long; upper cauline small and scat- 

 tered; heads large, IJ in. in diameter including the numerous rather 

 broad lilac and violet rays. 



Common on cliffs or sandy shores, near the sea only: coast of Cali- 

 fornia. July-Aug. 



3. E. PhiladelphJcus L. Skevish. Stem simple, 2 to 3 ft. high, 

 branched only at or near the summit; herbage hlspidly pubescent; 

 leaves spatulate or obovate, serrate or coarsely few-toothed, the radical 

 (including the long margined petioles) 5 to 11 in. long, the cauline 

 with auriculate clasping base, 3 in. long, more or less; heads corym- 

 bose, commonly on rather long peduncles, ^ to 1 in. in diameter; rays 

 white or pink, numerous, narrow. 



Along streamlets and by springy places in the hills and valleys: 

 Coast Ranges and Sierra Nevada. Apr.-May. 



4. E. foliosus Nutt. Stems many from the base, erect, simple, 

 corymbosely branching above, 1 to If ft. high; leaves crowded on the 

 stems, conspicuously reduced only on the branches of the inflores- 

 cence, scabrous-hispidulous, linear or lanceolate, f to IJ in. long, 1 to 

 2 lines wide; heads rather few in an open terminal corymb, hemis- 

 pherical, 10 to 11 lines broad, including the violet rays; rays about 

 30 to 40, 1 line wide; pappus coarse and rather short. 



Common in the hill country: Marin Co. to the San Francisco 

 Peninsula, Leona (Alameda Co.), Mt. Diablo and southward. June- 

 Aug. 



5. E. Setchellii. Stems smooth, 1^ to 2 ft. high; herbage bright 

 green, very brittle; leaves filiform, less than 1 in. long, muriculate- 

 scahrous; heads hemispherical, 4 lines high, disposed in a rather 

 broad proliferous corymb with a few subulate bracts at base; involucre 

 inconspicuous, the subulate or lanceolate bracts unequal, the outer 

 rough-hispid; rays light blue, about 25, filiform, 2 lines long; achenes 

 glabrous. 



Arid plains of the Lower San Joaquin, June 27, 1896, Sffrhell and 

 Jepson. 



6. E. supplex Gray. Stems decumbent or ascending, 4 to 8 in. 

 high, terminated by a single broad short-peduncled head 4 to fi lines 



