:-J8G COMl'O.-^lT.K. Huhea. 



luit. — I'croiiiiiul and aomo uf tliciii apiuireiitly bioiiniul ur aiimiul licrlirf, all uf tho 

 Caliruniiaii yiorni Novada, glaiulular-pubobcout, and sume also woolly ; with altcr- 

 uatu pimiately lobcd ur toothed leaves, and large heads of yellow llowers, or the 

 mys in one species imrple. 



Au interesting genus, dedicated to the discoverer ol'tlie lirst species, the late Dr. G. \V. Hulse, 

 foruieily ol' Louisiana, who made some collections in California. 



* totems tlum/ated and bearing several racemose or corymboae heads : scales of the 



iuvolucre linear and acuminate. 



1. H. Californica, Torr. & Gray. Tall, viscid-pubescent : heads 3 to 7 on au 

 apparently naked stem or peduncli!, subtended by ovate lanceolate bracts (hall' an 

 inch long) : rays yellow : scales of the pappus rountled-ciineate, the truncate apex 

 denticulate. — liot. Mex. Bound. \)i>. 



Mountains east of Sau Diego, in bushy pht(!es, I'arr;/. iSase of stem and leaves still unknown. 

 Kays lialf an inch long, furnished witii stciile filaments. AkiMies a tjuarter of au inch long. 



2. H. heterochroxna, Gray. Two feet high or nion;, viscid-pubescent, leafy to 

 the to[): leaves oblong, thin, coarsely and sharply tootheil ; the uppermost subtend- 

 ing the •( or f) raceniosti heads ovate and partly clasping; lowest narrowed to the 

 sessile ba.se : corollas hirsute ; rays very nunu'rons, purple : scales uf the papjais 

 erose-denticulate, two of thoni oblong, the alternate two much shorter. — True!. Am. 

 Acad. vii. 3U'J. 



Yosemite Valley, on granite debris, Bulander. Involucre fully half an inch high. Rays 40 or 

 50 ; the small ligule only 2 or 3 lines long, sparsely hirsute : tubes of all the corollas very hir- 

 sute ; those of the disk apparently tipped with purple when old. Akenes 3^ lines long. 



=k * Stems or branches leafy and terminated by a solitary head. 



3. H. brevifolia, G<ray, 1. c. A foot high, glandular-jjubescent : stem simjjle 

 or with slender simi)le luanches : leaves narrowly oblong or the lower spatidati', 

 repand-toothed, obtuse, sessile : heail ratlier small and narrow : scales of the invu- 

 lucre linear, barely in two series: rays only 10 or 12, light yellow: scales of the 

 papj)Us nearly entire, obUuig, the alteinate ones rather .shorter. 



In tile Mariposa .S('(|uoia grove, Jlolmttlcr. Leaves an inch and a half or less in l(!iigih. Invo- 

 lucre half an iiicli high. Kays 3 or 4 lines long. Akenes 3 or 4 lines long. The liabit of the 

 ])lant is more like that of the foregoing species ; but the stem or branches with only terminal 

 heads. 



4. H. algida, Gray. A span to a foot high, glandular-pubescent, and when 

 young more or le.sM villous or woolly : stem stout and simple (or scsveral from a 

 thickish rootstock or i-oot), very leafy below : leaves ligulate or linear-s[)atulale, 

 coarsely toothed or incisely almost pinnatilid, .sessile ; the lower crowded and with 

 entire scai-ious spathaceous bases y)artly sheathing the base of the stem ; the upjier 

 sj)arser and gradually reduced to linear bracts : head large and broad : involucre 

 woolly, its linear-attemuite scales numerous in at least 3 series, loose : rays 50 to GO, 

 yellow: jjappus of very broad and short strongly limbriate-laccrate scales. — Proc. 

 Am. Acad. vi. 547. 



High Sierra Nevada, on rock.s, &(•., at and above 10,000 feet; Mount Diuia and Wood's I'cak, 

 Brewer, Bolaiulcr. Mount Lyell, J. A/uir. Above Sierra Valley, Lciiimon. Lowest leaves 3 to 

 t) inches long, a quarter to half an inch wide. Heads almost an inch high, with rays half an 

 inch long. Akenes 3 lines long : pappus not longer than the hairs of the ukene, the scales some- 

 times concreted. Plant, according to Dr. liolander, " very odoriferous with the copious balsamic 

 secretion." 



* * * /Stems depressed or largely subterranean (in volcanic scoria), leafy at summit, 



terminated by a solitary head : peduncle sometimes scape-like. 



5. H. nana, (jray. Glandular-pubescent : leaves pinnatilid or iuci-sed, aiul 

 Avith a rather long margined petiole : peduncle an inch or two long : scales of the 



