4G2 COMPOSITAE. 



pacted, with creel or spreading lips; accessory foliaceous bracts, few or several 

 unequal, ovate to lanceolate or linear, often deflexed. 



Along the seaboard: Marin Co.; Ban Francisco; San Mateo Co. June-July. 

 Foliaceous bracts very variable lb Bhape ;ni«l size, even on the same plant, 

 always more numerous on the head terminating the main axis, few or some- 

 times none on the heads terminating branches. Var. patens Jepson. Stems 1 

 to 2 ft. high, mostly simple or wiih few strict 1-headed branches; herbage 

 glabrous or finely puberulent ; leaves oblong, the radical narrowed to a petiole, 

 .".'_. in. long or less, the cauline sessile, narrowed toward the base, serrate or 

 often entire below the middle; involucre wholly or largely foliaceous, its 

 bracts broad, erect, nearly equal, linear or lanceolate, 1 or 2 lines broad, not 

 glutinous-compacted, sometimes with an inner involucre of subulate or fili- 

 form bracts which are glutinous-compacted. — Hill tops, not common: Berkeley 

 Hills; Santa Crux Mts. War. DAVYI Jepson. Stems commonly clustered, erect, 

 2 ft. high, rarely simple, mostly with long 1 haded sparingly leafy peduncles; 

 herbage glabrous, rarely puberulent, darker green than in the next species; 

 radical leaves oblong or obovate, narrowed to a rather long, often winged 

 petiole, serrate or coarsely and saliently toothed, 2 to 8 in. long, the cauline 

 similar or sessile; heads naked; involucre % to 1 in. broad, very gummy, its 

 lanceolate bracts with subulate or filiform squarrose tips. — Valley lands about 

 San Francisco Bay. 



2. G. camporum Greene. White-stem Grindelia. Plants commonly 1C, 

 or 2 ft. high, glabrous, the foliage light green; leaves mostly oblong, serrulate 

 or denticulate, 1 to 2 in. long; heads paniculate-corymbose, never solitary; 

 involucre urnshaped-campanulate, the short outer bracts linear-subulate, 

 sijuarrose-defjexed, the inner lanceolate-subulate, with spreading tips or erect. 



Abundant on the plains of the San Joaquin and Sacramento valleys and the 

 dry inner Coast Eanges; Southern California. June-Aug. Stems usually white 

 or whitish, in no. 1 darker or reddish. A preparation of the leaves is used 

 externally as a remedy for Poison Oak poisoning. 



3. G. rubricaulis DC. RED-STEM GEINDELIA. Stems commonly 2 ft. high, 

 tufted, reddish or brownish, ending in a small corymb of about 3 or 4 heads 

 or one-headed; herbage scantily soft-pubescent when young, in age mostly 

 glabrous; leaves 2 to 5% in. long, oblong, serrate and ses-ile especially toward 

 the apex, or disposed to be entire, attenuate into a petiole as long as the 

 blade, the cauline similar or sessile; heads small. C_, in. in diameter (not in- 

 cluding the rays); involucral scales lanceolate, not Bquarrose, very slightly or 

 not at all glutinous, sometimes tomentose. 



Ridges and hillsides of the Coast Ranges, in openly wooded country: Mt. 



Tamalpais; Sonoma; Napa Range. 



4. G. cuneifolia Nutt. Marsh Geindelia. stems 2 to ."J., ft. high (com- 

 monly woody at base), ending ill a corymbose panicle of several heads or tin 1 

 simple sterile shouts densely leafy at summit; leaves thick, oblong or cuneate 

 oblong, - to .1 in. long, with broadly sessile or clasping base 1 , those of the 

 flowering branches much reduced, oblong-ovate, entire or serrulate; involucral 

 bracts lanceolate without spreading lips. 



s.ilt marshes about 8an Francisco, San Pablo and Suisun bays. Aug.-Nov. 

 stems sometimes ilexuous. Var. paludosa Jepson. Five ft. high, with Buffru- 

 : steins 1 to 2 ft. high lasting through the winter; cauline leaves some- 

 times triangular-oblong, with subauriculate clasping base.— Suisun Marshes. 

 78. PENTACHAETA Nutt. 

 Low and \eiv slender annuals with narrowlv linear and entire alternate 



