454 ADDITIONS AND CORRECTIONS TO VOL. I. 



Page 311. 16. APLOPAPPUS. 



1 . A. squarrosus, Hook. & Arn. Abundant near San Diego (D. Cleveland) ; 

 Monterey, Hooker & Gray. 



3 B . A. stenophyllus, Gray. Depressed, cespitose, from a woody caudex, 2 to 4 

 inches high, puberulent : leaves numerous, linear-subulate to filiform, to 1 inch 

 long or more, a line wide or less, entire : flowering stems scape-like, 1 -flowered : 

 heads small ; involucre glandular-puberulent, of few linear-lanceolate acute scales in 



2 nearly equal series, 3 or 4 lines long : rays 9 to 12, bright yellow : akenes oblong- 

 linear, soft-villous : pappus white, somewhat rigid. Torr. Bot. Wilkes Exp. 347. 



Lassen County (Lemmon); and northward to Washington Territory and Idaho. 



4. A. apargioides, Gray. San Bernardino Mountains, Parry. 



5*. A. racemosus, Torr. Herbaceous, soft-villous becoming more or less gla- 

 brate, the erect rigid nearly simple stems a foot high or more, from a thick rootstock : 

 lower leaves narrowly oblanceolate and petiolate, 4 or 5 inches long, the cauline nar- 

 rowly lanceolate, sessile with clasping base, rather coarsely spinulose-serrate or the 

 upper entire : branches few and short (an inch long), erect, bearing usually a single 

 large head : involucre hemispherical, not bracteate, of numerous appressed subulate 

 acute herbaceously tipped scales, much shorter than the pappus : rays 15 to 20, pale 

 yellow : akenes densely silky : pappus rigid, becoming reddish. Homopappus 

 racemosus, Nutt. in Trans. Amer. Phil. Soc. 2 ser. vii. 332. Pyrrocoma racemosa, 

 Torr. & Gray, Fl. ii. 244. 



Scott Valley, Siskiyou County (E. L. Greene) ; Willamette River, Oregon, Nuttall. 



7 a . A. laricifolius, Gray. A shrub a foot high or less, fastigiately much 

 branched, glabrous and resinous : leaves numerous, narrowly linear-oblanceolate, 



3 to 8 lines long by less than a line broad, entire, strongly resinous-punctate and 

 at length glutinous : heads corymbose at the ends of the branches, on leafy-bracted 

 branchlets, 4 lines long, narrow ; involucral bracts few, in 2 series, linear, acute or 

 obtusish, scariously margined, about 2 lines long : rays 4 to 6, oblong, conspicuous : 

 disk-flowers about 1 2 : akenes pubescent. PI. Wright, ii. 80. 



On the Mohave River (Palmer) ; through Arizona and New Mexico. 



1 l a . A. G-reenei, Gray, ined. Woody at base, a foot high or less, glabrous and 

 minutely resinous-puberulent ; branches reddish brown below, leafy : leaves oblanceo- 

 late, abruptly acute or rnucronate, to 1 inch long, bright green : heads few in close 

 corymbs or solitary, narrow, 5 to 8 lines long ; involucre equalling or a little shorter 

 than the disk, of lax long-linear acuminate scales, mostly with the tip or upper half 

 thin-herbaceous and spreading: rays 3 to 7, large; disk-flowers 13 to 16: style- 

 branches usually much exserted. 



Scott Mountains, at 9,000 feet altitude (Rev. E. L. Greene) ; Union County, Oregon, Cusick. 



Page 315. 17. BIGELOVIA. 



3". B. brachylepis, Gray in herb. Nearly allied to B. Cooperi ; shrubby, 

 about a foot high, resinous-punctate and glutinous, the thick linear-filiform leaves 

 2 to 8 lines long, with smaller ones upon the branchlets and fascicled in the axils : 

 heads somewhat larger, 3 to 5 lines long, 8- 12-flowered ; involucre similar : akenes 

 linear, twice longer (2 lines long), with fewer ribs : style-appendages longer, linear. 



Potrero (D. Cleveland) and Larken's Station, San Diego Mountains, Palmer. 



7. B. teretifolia, Gray. Cuyumaca Mountains (Palmer) ; San Bernardino 

 Mountains, Parry. 



8. B. paniculata, Gray. Desert washes, base of San Bernardino Mountains 

 (Parry) ; Union Pass, Arizona, Palmer. 



