312 COMPOSIT.E. Aplopappus. 



hemispherical invohicro rigid, linear-spatulute or oblong-lanceolate, with mostly 

 obtuse but mucronato herbaceous tijfs, appressed, in 3 or 4 series, the outermost 

 commonly short : rays 8 to 16, narrow : disk-flowers numerous : ovaries more or less 

 pubescent : akenes mrely pubescent : pappus tawny or reildisli, rather rigid. — 

 Homopappns paniculatus, Nutt. 1. c. Fproconia paniadata, Torr. & Oray, 1. c. 



Var. vii'gatus, Cray, I.e. Slender: heads much smaller but broadish, race- 

 mose or spicule. 



Var. stenocephalus, (Jray. Blender: larger stems branching and bearing 

 paniculate heatls : invohicre narrow-oblong or cylindraceous, 4 or 5 lines in length, 

 rather few-llowcred : rays 7 to 10: immature akenes silky-pubescent: pap})us 

 whitish. 



Kn.stcrn slopos of tlie SiiMiii Niivada ; ('aisoii, Andcrsmx, ; a. virgnte foiia, to which also bdoiiga 

 Hall's No. 'ii'.G of Oiv^'oii coll. (rcrtiiud to A. l(tticci)ltdus), only that has very silky inihusi't'iit 

 ukciu!3. Ihulguiioit, Mono Co., IlnUindir ; tlio var. viiyatiis. Sierra Co., Lonniuti ; tho viir. 

 stenocephalus. ■ — A. leiiuicuiilis, Eaton, Hot. King., is another form, similar to the last variety, 

 but soft-hairy when young, with broader involucre of less rigid scales : it lias the same silky- 

 pubescent ovaries. 



6. A. "Whitney i, Oray, 1. c. Herbaceous, slightly roughish-pubescent and glu- 

 tinous : steius muiierous and one or two feet high from a thickish rootstock, ecjuably 

 leafy to the summit : caulino leaves oblong (an inch long), tliin-coriaceous, sharply 

 dentate with rigid teeth, partly clasping, minutely reticulate-veiny : heads panicii- 

 lato-clusteretl and mostly leafy-bradeate : involucre oblong-campanulato 20-25- 

 llowered ; its scales narrowly linear-lanceolate, acute, almost glabrous, between 

 chartaceous and coriaceous, mostly destitute of herbaceous tips, imbricated in 3 or 4 

 series, appressed, the outer successively shorter : rays 6 to 8, small, little surpassing 

 the disk : akenes glabrous, oblong-linear, striate : pappus copious, tawny or reddish, 

 fine but rigid. 



Open woods of the Sierra Nevada, Mono trail and Sonora Pass, alt. 9,000 feet, Bolnnder. 

 Heads half an inch long. Disk-corollas narrow and merely 5-toothed as in Pyrrocoma ; but invo- 

 lucral scales narrow and thin. Style-appendages subulate-filiform. A good link between tho 

 sections rijrrucoinu and Ericamcna. 



7. A. cuneatus, (>!ray. Shrub low and intricatoly branched, glabrous, at length 

 glutinous with resinous exudation : branchlets very leafy : leaves small (merely 

 half an inch long), thick, cuneate or obovate-spatulate with a narrowed base, and a 

 broad truncate retuse or emarginate apex, conspicuously resinous- punctate, one- 

 nerved, veiidess, entire : heads corymbose at tlie summit of the branches, about 

 24-llowered : involucre turbinate, shorter than the disk ; its scales regularly imbri- 

 cated in several series, laiKteolate, coriaceo-chartaceous, with somewhat scariuus mar- 

 gins and tip, carinate one-nerved ; the outer successively shorter : rays about 3, not 

 exceeding the disk : style-appendages lanceolate-subulate, about the length of the 

 stigmatic portion : akenes linear-oblong, compressed, spareely hirsute : i)ai)pus rather 

 soft, scarcely tawny. — Proc. Am. Acad. viii. G35. 



Bear Valley, Placer Co. in the Sierra Nevada, alt. 4,500 feet, Sept., Kellogg and Bolaitder. 

 Plant exhaling a cieosotic balsamic odor, apparently a low and matted bush or undcrshrub. 

 Head of the Kricamcria section, somewhat lamer and thicker than those of A. cricoides, tlie iiivo- 

 hicral scales more numerous and not ciliate ; the outer ones decreasing into very short and loose 

 siiuarrose bracts on the peduncle, none of them with foliaceous tips. In one (abnormal) head ail 

 the flowers were furnished with five or fewer linear or spatulatc external accessory divisions, borne 

 on the middle of the tube. 



8. A. pinifolius, r.iuy. Shrub 2 to 4 fi^et high, erect, with fastigiato liiaiiclics 

 excessively Icaly, slightly pubesciMit when young, glal)iat(!, hanily glutinous: Icavna 

 erowded, tiliform-linear or acerose, cuspidate-acute, an inch long, somewhat i)unctate, 

 the fascicled ones when present very much shorter: heads solitary and sessile at the 

 summit of the branchlets, mostly exceeded by the closely involucrate uppermost leaves, 

 25 - 30-flowered : involucre campanulate ; its scales appressed, oblong or broadly 

 lanceolate, acuminate, coriaceous, with somewhat scarious minutely vilious-ciliflto 



