COMPOSITiE. 451 



high, somewhat corymbosely panicled and with a profusion of small 

 heads: the very lowest leaves pinnately 3—5 parted and opposite, the 

 segments and the undivided leaves narrowly linear, entire: involucre 2 

 lines high: flowers yellowish. — Along the beaches from perhaps Santa 

 Barbara southward. 



85. JAUMEA, Persoon. Procumbent very succulent perennial herb 

 with opposite subterete leaves and solitary terminal short-peduncled 

 heads. Involucre campanulate, the outer bracts shorter. Corollas 

 glabrous. Style-branches papillose or hairy. Achenes lO-nerved. Pap- 

 pus none. 



1. J. carnosa, Gray, Wilkes Exp. xvii. 360 (1874); Less, in Linnsea, 

 vi. 521 (1831), under Coiaogyne. Common denizen of sandy salt marshes, 

 associated with Salicornia; heads middle-sized, the rays few and rather 

 short. — Flowering throughout the summer and autumn. 



86. BLENNOSPERMA, Z/Css?'«(7. Low annual, with pinnately parted 

 leaves, and pedunculiform branches bearmg solitary radiate yellow 

 heads. Involucral bracts uniserial, equal, oblong, herbaceous but 

 purplish or yellowish. Receptacle flattish, naked. Rays 5—12, linear. 

 Disk-flowers about 20; their narrow tube abruptly expanded into a cam- 

 panulate limb; their style undivided, with capitate apex; their ovaries 

 abortive. Achenes (of the ray) pyriform, obscurely 8— 10-ribbed, with 

 small areola and no pappus; the surface bearing minute papillae which 

 develop mucilage when wet. 



1. B. Califoriiicum, T. & G. Fl. ii. 272 (1842); DO. Prodr. v. 531 

 (1836), under Coniolhele. A span high, diffusely branching, flaccid, gla- 

 brous: leaves alternate, pinnately parted into narrowly linear entire 

 lobes: expanded heads ^^ in. broad: ligules pale yellow within, brownish 

 without: disk-flowers shorter than the involucre: style branches of fer- 

 tile flowers broad. — Early vernal plant of the valleys of the Mt. Diablo 

 Range, and plains beyond. March, April. 



Suborder 8, Anthemide^. 



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

 much dissected. Bracts 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 mere paleaceous crown. 



