Bigehvia. COMPOSITE. 



315 



Heads 7 -ll-flowered, narrow: scales all thin, pradimlly acumiimtc. \. B. nni.ANiiKni. 

 Heads 5-flo\vered, narrow: scales abruptly sleiider-acuininato. 5. \\. Howaiidh. 



Scales of the involucre carinate and obviously imbricated in 5 or sometimes 

 4 vertical ranks : style-appendages slender-subulate or fdiform (less 

 so in No. 10) : heads small, 5-flowered. 

 Involucre with abruptly mnch-acuminatc scales. 6. 13. ceruminosa. 



Involucre with obtuse or hardly acute scales. 



Having distinct abrupt green tips. 7. B. teretikolia. 



Destitute of green tips. 

 Leaves punctate, very narrow. 8. H, panicui.ata. 



Leaves not punctate. 



Branchlets and leaves more or less white-woolly, at least wiien 



young : heads i inch long. 9. B. graveolens. 



Branchlets and leaves glabrous or roughish-puberulent : heads less 



than i inch long : style-appendages shorter. 10. B. Douglasii. 



1. B. Menziesii, Gray, 1. c. Shrubby at base, a foot or two high, nearly gla- 

 brous, often a little glutinous : leaves spatulato or lanceolate, rigid, spinulose-serrate 

 or pinnatifid-toothed : heads in small clusters terminating leafy branches, nearly 

 half an inch long, 12 - 20-flo\vered : scales of the campanulato involucre numerous 

 and regtdarly imbricated, coriaceous, with obtuse or rounded abrupt green tips : 

 stylo-appondagcs short and broad : nkonos short-linear, .silky-liirsute : pappus rather 

 rigid. — Pi/rrocoma Menziesii, Hook. & Am. Aplopappus (Aplodiscus) Menziesii. 

 Torr. & Gray, Fl. ii. 242. 



Southern part of the State, extending into Arizona and Utah, and along the coast from San 

 Diego to Santa Barbara, and perhaps farther north. Variable in foliage, &c. To this may pos- 

 sibly belong Linofiijris denlalus, Kellogg, Proc. Calif. Acad. ii. 16, from CeiTos Island, Lower 

 California. 



2. B. arborescens, Gray, 1. c. 81iru])by, willi mimorous tufted erect l)ninches 

 on a short tree-liko stem, ?> to 9 feet high : leaves very numerous, 2 to 4 inches 

 long, very narrowly linear or soon by revolution of the margins becoming fdiform, 

 resinous-punctate, glutinous : heads numerous in crowded corymbs terminating 

 paniculate branchlets, 20- 25-flowered, barely 3 lines long: scales of the turbinate 

 involucre numerous and regularly imbricated, lanceolate, acute, destitute of green 

 tips: style-appendages lanceolate-subtdate, little shorter than the stigma-bearing 

 portion : akenes turbinate, minutely silky-pubescent. — Linosyris arborescens. Gray, 

 in Bot. Mex. Bound. 



Dry hills through the Const Range, Santa Cruz to Tamalpnis. Except in the woody trunk, 

 this resembles a Solidago of tho Eutluimin. section ; and, indeed, a specuuen collected by Prof. 

 Brevier shows a decided tendency to form rays ; so that it may have to be transferred to that 

 genus. But the shrubby character and tho unequal bristles of the pappus are more congruous 

 with the present genus. 



3. B. Cooperi, Gray, 1. c. Shrubby, apparently low : leaver (only those of the 

 branches known) linear-tiliform, thickish, obtuse, resinous-punctate, glutinous, about 

 a quarter of an inch long : heads few in the terminal clusters, 6 -7-flowered, 3 lines 

 long : involucre narrow ; its scales rather few, regularly imbricated, oval or oblong, 

 chartaooous, doatittito of green tips : fltylo-ai)pondiig('s short, triangular-ovate : nkenos 

 turbinate, silky-viilous, lO-ribbed. 



Eastern slope of Trovidcnco Mountain, in the Routhenstern bordf^rs of tho State, Dr. J. O. 

 Cooper. Resembles B. ericoidex, which has the 4-ranked involucre ond fdiform style-apjiendagcs 

 of another section : also resembles B. diffum, Cray, of N. W. Mexico (mciitinncd in foot-note on 

 the preceding page), which has more slender leaves with acute and recurved tip, blunter and 

 greenish tips to the involucre, and deeply-cleft corolla. 



4. B. Bolanderi, Gray, 1. c. Shrubby, a foot or two high, slightly viscid-glandu- 

 lar, except the branches, which are coated with a close matted white wool : leaves 

 spatulate-linear or oblanceolate, about an inch long, not rigid, rather indistinctly 

 3-nerved : heads several in a corj'mbdike or soinewhat racemose cluster, 7 -ll- 

 flowered, nearly three fourths of an inch long: involucre narrow; its scales about 



