COMPOSITE. (COMPOSITE FAMILY.) 143 



3. KUHNIA, L. 



Perennials, with mostly alternate leaves, more or less sprinkled with resin- 

 ous atoms, usually with scattered or cymose-clustered heads of 10 to 30 

 whitish or at length purple flowers; pappus mostly tawny. 



1. K. eupatorioides, L. Stem herbaceous, 2 or 3 feet high: leaves 

 from oblong-lanceolate to linear, irregularly few-toothed or upper ones entire, 

 the lower narrowed at base and sometimes short-petioled : pubescence minute 

 or soft and cinereous, or hardly any : heads more or less cymose-clustered. 

 From Montana to Texas and eastward to Pennsylvania and New Jersey. 

 Very variable. 



Var. COrymbulosa, Torr. & Gray. A foot or two high, stouter, some- 

 what cinereous-pubescent or tomentulose : leaves rather rigid and sessile, 

 from oblong to lanceolate, coarsely veiny : heads rather crowded. From 

 Dakota and Nebraska to Texas and eastward to the Mississippi States. 



4. BRICKELLIA, Ell. 



Herbs or uudershrubs, with opposite or alternate veiny leaves and heads of 

 white, ochroleucous, or even flesh-colored flowers. 



* Heads 30 to 40-Jlowered, ^ to f inch long: leaves slender-petioled, at least the 

 lower ones opposite : perennial herbs. 



1. B. grandiflora, Nutt. Puberulent or almost glabrous: stem 2 or 

 3 feet high, paniculately branched : the numerous heads pauiculate-cymose 

 and drooping : leaves broadly or narrowly deltoid-cordate, coarsely dentate- 

 serrate and witli an entire gradually acuminate apex, the larger 4 inches 

 long : bracts papery and scarious-margined when dried : pappus white, 

 inclined to be deciduous. In the mountains from New Mexico and Arizona 

 to Montana and Oregon. 



Var. minor, Gray, is a smaller form, with leaves only an inch or two long, 

 heads proportionally small, involucre fewer-flowered. Clear Creek, Colo- 

 rado, to California in the Sierra Nevada, and Arizona. 



* * Heads 9 to 25-flowered, not over inch long : leaves distinctly petioled, 

 mostly alternate : stems shrubby at base. 



2. B. Wrightii, Gray. Usually much branched from a woody base, 

 2 to 4 feet high, puberulent : leaves broadly deltoid-ovate or rounded-cordate and 

 obtuse, more or less crenate-dentate, to l inches long: heads glomerate-panicu- 

 late, the clusters shorter than or little surpassing the subtending leaves : in- 

 volucre often purple. PI. Wright, ii. 72. From Colorado and Arizona to 

 W. Texas. 



3. B. microphylla, Gray. Glandular-puberulent or pubescent and viscid, 

 a foot or two high from a partly woody base, paniculately much branched ; the 

 short leaf i/ branchlets terminated by 1 to 3 heads: leaves subcordate or ovate to 

 oblong, when old somewhat scabrous, sparingly denticulate or nearly entire, 

 the larger ^ inch long, those of flowering branchlets a line or two long: heads 

 nearly i inch long, about 15-flowered. PL Wright, i. 85. From S. W. 

 Colorado to California and Oregon. 



