454 ADDITIONS AND CORRECTIONS TO VOL. I. 



Page 311. 16. APLOPAPPUS. 



1. A. squarrosus, Hodk. <k Arn. Alniiulant near San Diego (D. Cleveland); 

 IMontei'ey, tlnuktr iV: Uiaij. 



3*. A. stenophyllus, (iray. Depressed, cespitose, from a woody caudex, 2 to 4 

 inches high, pubc-ruluut : leaves numerous, linear-subulate to hlifunn, i to 1 inch 

 long or more, a line wide or less, entire: ilowering stems scape-like, 1-Howered : 

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



2 nearly equal series, 3 or -1 lines long : rays 9 to 12, bright yellow : akeues oblong- 

 linear, soft-villous : pappus white, somewhat rigid. — Torr. I'ot. Wilkes Exp. 347. 



Lassen County {Lcmtaon); and northward to Washington Territory and Iihilio. 

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



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

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

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

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

 upper entire : ])ranches 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 rwddish. — Homopappus 

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

 Torr. & Gray, Fl. ii. 244. 



Scott Valley, Siskiyou County {E. L. Greene) ; Willamette lliver, Oregon, Nuttall. 



7'. A. laricifolius, <Iray. 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 corymbt)se 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, al)out 2 lines long : rays 4 to G, obh)ng, conspicuous : 

 disk-flowers about 12: akenes pubescent. — PI. Wright, ii. 80. 



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



11'. A. Greenei, Oray, ined. Woody at base, a foot high or less, glabrous and 

 minutely resiuous-puberulent ; liranches reddish brown l)elow, leafy : leaves oblanceo- 

 late, abruptly acute or mucronate, \ io \ 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 1(J: style- 

 branches usually much exserted. 



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



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-tiliform 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-ap[)endages longer, linear. 

 Potrero (/>. Cleveland) and Larken's Station, San Diego Jlountains, Palmer. 



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

 Mountains, Parry. 



8. B. paniculata, G.ray. Des(>rt washes, base df San Bernardino Mountains 

 {Parry); Union Pa», .\iiziina, Pahntr. 



