Bigehvia. COMPOSIT.E. 01 h- 



317 



lou. lecue. „t the luanches) Imear-hliform, 3 to 5 lines long, and the uppermost 

 ery short and subulate resmous-punctate, as also the slender branchlet heads 

 bare y half an inch long a maturity, loosely panicled, 5-flowered : scales of the short 

 n olucre only 10 to 12 ob ong, obtuse, thin-chartaceous and pale throughotit, little 

 cannate, the innermost hardly exceeding the full grown linear villous akenes limb 

 of the corolla rather deeply 5dobed : style-appendages long and iiliform. - Z.^o- 

 syris viscidiflora, var. paniculata, Gray in Bot. Mex. Bound. 80. 



thP^'l^.'/Tl'"' t^'''"",*^,^ ^t^tion unknown, but doubtless in the soutliern part, and probably in 

 tlie interior. Imperfectly known, but seemingly a quite distinct species. ^ ^ 



9 B. graveolens, Gray 1. c. Shrubby, 1 to 4 feet high, when young whitened 



" P n f\ T' " ' -r ''^''^l ''°"^' ''' ^''''^ °^ ^^'^ ^'^'^'^^'^ sometime^ becomim' 

 green and g abrous with age : flowering branches virgate, leafy : leaves linear (one or 

 wo inches long one or two lines wide), the broader ones 3-nerved, the narrower 

 1-nerved and at length often involute : heads half an inch long, mostly very numer- 

 ous, in corymbose clusters, 5-flovvered : involucre narrow ; its scales imbricated in 

 5 vertical ranks narrow-oblong or lanceolate, obtuse or hardly acute, moderately 

 cannate, thinnish, destitute of greenish tips, imbricated in 5 vertical knks : lobes 

 t-J]Z '^^^^^^f^/^'^f : '-ikenes linear, silky-pubescent: style-appendages subulate- 

 1^"! '■""'""'\"^n% ^?^°'^*^'"^ ^^'' ^^^S-matic portion. _i^ rf.a.:;.c.fo«/.. & 

 Mssouriensis, DC. Prodr. v. 329. Chrysoco^na graveolens & nanseosa, Nutt. Gen 

 Llirysothamnm dracunculoides & C. speciosus, Nutt. in Trans. Am. Phil. Soc. n.' 



ser. vii. 324. Linosijris graveolens & L. albicaulis, Torr. & Gray Fl ' i'i 934 

 i^Sfornla — ''^'''' '''''^ "'"''' '"*'' ^""^^"^^ varieties, of which the following occur 



Var glabrata, Gray 1. c, with little wooUiness, and that deciduous, at least 

 irom tlie leaves and involucre, or the latter glabrous from the first 



Var. hololeuca, Gray, 1. c. Clothed with a dense close coat of white wool ■ 

 scales of the involucre oblong-linear and very obtuse, only the innermost glabrous : 

 corolla with very short lobes, its tube beset with a few long and delicate cobweb- 

 11K6 iitiirs, 



or Ihe' w'^'^r^'^' ^•''^'' ^i "\ ^^' ^}^ V^^^^^\^nQ variety in the white-woolliness, 

 or the lea^e. (becoming naked m age) and the narrower and less obtuse scales of 

 he involucre shglitly or not at all woolly: coroUa with rather long lobes (the 

 length double the width), its tube beset with abundant long and cobwebby hL 

 ^GrlTrrTT '-^''''^'"'' '''''• «^^^'«'"^''^' ^^^tt. 1. c. Linosyris albicaulis, Torr. 



the^'^'^'^hmHl ;r,f;b7n,?i!' T^'^. '-"P". °^ the Sierra Nevada, from Mono Lake to Sierra Yallev ; 

 th ,:'k i „Hn?' Tt' 'T/'; '^'' n'''^'^'' ?/ ^^"^^^^ ^'°^™bi'^ and the plains east 'of 

 Donn ; i:\k; a 10 000 fSt FT ^'"J'^''''^'' ^wens Valley, Dr. Horn. Var. albLulU,, above 

 • fiT • t^ ■ ' ' , • '^^*' ^- ^- ^^''^^'>^y a rare form, apparently confined to a narrow distiiot 



in the interior, extending to the eastern part of Oregon and adjacent pirts of Idaho 



10. B Douglasii, Gray, I. c. Shrubby, from 6 inches to G feet high, never 

 woolly, glabrous, or roughish with a minute harsh pubescence, fastigiately branched • 

 leaves varying from very narrowly to broadly linear or lanceolate, rather ri-dd (an' 

 inch or two long), the broader ones 3-nerved : heads a quarter to a third of an inch 



01^, mostly numerous m a close corymb or cyme, 5-flowered : scales of the invo- 

 lucre oblong or oblong-hnear, obtuse, rather firm, destitute of greenish tips, rather 

 iew m 4 or 5 vertical ranks : lobes of the corolla rather long, spreading : akenes 

 rather short, silky-villous : style-appendages narrowly subulate, usudly only half the 

 length otthe stigmatic voriion. ~ Linosyris visddiliora, Torr. & Gray, with the syn. 

 Crimtarxa viscidiflora, Hook. Fl. ii. 24, but the flowers not viscid, even the invo- 

 lucre rarely so. — Besides the smooth and glabrous ordinary form, there are in Cali- 

 torma or on its borders, — 



