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 herhaceous, 2 or 3 feet hi;:h : leaves 

 from oblong-lanceolate to linear, irregularly few-toothed «jr upi)er ones entire, 

 the lower narrowed at base and sometimes short-petiolod : pubpscence njinulc 



or soft and cinereous, or hardly any : heads more or less cvnKJse-clustcred. 



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. — ?'rom 

 the Dakotas and Xp!)raska to Texas and ea'stward to the Mississippi States. 



4. BRICKELLIA, Ell. 



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

 white, ochroleucous, or even flesh-colored flowers. 



* Heads 30 to AO-Jiowered , ^ to % inch long: leaves slender-petioled, at least the 

 lower ones opposite : perennial herbs. 



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

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

 and drooping : leaves broadly or narrowly deltoid-cordate, coar.selv dentate- 

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

 long : bracts papery and scarious-margined when dried : papj)us 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 2o-floicered, not over J inch long: leaves distinctly petioled, 

 mostlii alternate: stems shrulih'/ at base. 



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

 2 to 4 feet high, puberulent : leaves broadli/ deltoid-ovate or roitnded-rordate and 

 obtuse, more or less crenate-dentate, ^ to\^ inches long: heads ginmrratr-panicH- 

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

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

 AV. Texas. 



3. B. microphylla, Gray. Gland ular-pubemlent or piibcsrcnt and viscid, 

 afoot or two high from a partly woody base, paniculately much branched ; thr 

 shoH leaf I branchlets terminated bi/ I to 3 heads: learcs snbrnrdatc or ovntr to 

 oblong, when old somewhat .scabrous. .«;paringly denticulate or nearly entire, 

 the larr/er ^ inch long, those of Jinivering branrhltfs a line or tn-ti hmg : heads 

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

 Colorado to California and Oregon. 



