ANTHEMIDE^. 207 



2. E. cOHfertiflorum (DC.), Gray. Smaller, 12 ft. high; haves 

 on the flowering branches reduced and scattered, membranaceous, hoary- 

 tnnn'iitose on bothfaces, ternately 3 7 parted into linear divisions; heads 

 2 lines high, short-peduncled or sessile in a dense terminal cluster: 

 involucre obovoid-oblong, of broadly oval bracts: rays 4 or 5: palese of 

 the pappus 8 14. Var. discoideum. More condensed and leafy; heads 

 broader, with more numerous flowers, but no rays. Very common on all 

 hills; the variety in Sonoma Co. June Dec. 



3. E. Jepsonii, Greene. Suffraticose, 2 ft. high; stem white with 

 pannose tomentum; leaves hoary on both faces, pinnately divided into 

 5 7 narrowly linear revolute segments: inflorescence loosely cymose- 

 corymbose, the peduncled heads 34 lines high, and, with 68 oblong 

 rays expanded, 1 in. broad: bracts of involucre 68, coriaceous, ovate: 

 achenes with a few short hispidulous hairs, and 2 unequal sets of pappus- 

 paleae, those of the inner circle exceeding the others. Mountains of 

 Alameda Co., south of Livermore, Jepson. May. 



* * More herbaceous; heads large, solitary or scattered. 



4. E. arachiioideum (F. & L.). Loosety branching from a decum- 

 bent base, 12 ft. high, clothed with long floccose wool: leaves broad, 

 from rhombic or cuneate in outline to oblong-lanceolate, thinnish, 3 5- 

 lobed or -incised, the lobes or coarse teeth triangular or oblong: involu- 

 cre hemispherical, 3 4 lines high: rays 1013, large; disk-corollas with 

 very glandular-hirsute tube: achenes short, thickish: pappus-palese 

 short. In the redwood districts of Marin Co., etc. June Oct. 



5. E. achillseoides (DC.). Leaves mostly basal, opposite, pinnately 

 parted into 3 5 divisions, these incised or pinnatifid: heads somewhat 

 corymbosely collected and short-peduncled; involucres hemispherical, the 

 bracts and rays 913. Hills of Napa, Sonoma and Marin counties and 

 northward. June Sept. 



55. JAUMEA, Persoon. Procumbent very succulent perennial herb 

 with opposite subterete leaves and solitary terminal short-peduncled 

 heads. Involucre campanulate, the outer bracts shorter. Corollas gla- 

 brous. Style-branches papillose or hairy. Achenes 10-nerved. Pappus 0. 



1. J. carnosa (Less.), Gray. Common denizen of sandy salt marshes, 

 associated with Salicornia; flowering during summer and autumn. 



Suborder 8, ANTHEMIDE^. 



Mostly aromatic-scented plants, with a very bitter juice. Leaves often 

 much dissected. Bract* of involucre imbricated, more or less scarious. 

 Receptacle either naked or chaffy. Anthers not caudate. Style-branches 

 of perfect flowers truncate, sometimes penicillate. Achenes small and 

 short, with no pappus, or a paleaceous crown. 



