366 BOTANY. 



Baiiia confertiflora, DC. — Santa Barbara (37), I. c. 380. 



Helenium Bigelovii, Gray. — Soda Spring, North Fork of Kern River, 

 at 8,500 feet (414), I. c. 393. 



Achillea Millefolium, L. — Head of Peru Creek, I. c. 400. 



Tanacetum canum, D. C. Eaton. — Olancke Mountain, at 10,000 feet 

 altitude. Hitherto only found on the East Humboldt Mountains, Nevada; 

 I. c. 617. 



Artemisia Rothrockii, Gray. — Manachi Meadows, 8,200 feet (298). 

 The common sage-brush of the region. A well-marked species of the sec- 

 tion Seriphidium, Besser, I. c. 618. — Plate XIII. Natural size. Fig. 1. 

 Head of flowers, magnified about 8 diameters. Fig. 2. Vertical section 

 through head of flowers, enlarged about 8 diameters. Fig. 3. A single 

 flower, enlarged about 10 diameters. Fig. 4. Style with stigmas, enlarged 

 about 12 diameters. 



Artemisia Ludoviciana, Nutt. — Foot of Mount Olanche, at 9,400 feet 

 altitude (338), a variety with large leaves, the lower ones pinnatifid, and 

 the upper ones entire ; heads large ; I. c. 404. 



Arnica foliosa, Nutt. — North Fork of Kern River, at 12,000 feet alti- 

 tude (399), I. c. 416. 



Senecio triangularis, Hook. — Mounts Olanche and Whitney, from 

 9,800 to 12,000 feet, I. c. 414. 



Senecio aureus, L., var., Gray, verging toward S. canus. — South Fork 

 of Kern River, at 10,200 feet, on the mountains. 



Senecio Douglasii, DC. — Francisquito Pass (180, 181), I.e. 411. 



Senecio Clarkianus, Gray. — Mountains back of Soda Spring, on North 

 Fork of Kern River, at 8,500 feet altitude (408), I. c. 412 ; a well-marked 

 and striking species. 



Senecio Fremontii, T. & G., var. occidentals, Gray, I. c. 618. — I 

 can hardly help thinking we have in this a distinct species. — Mount Whit- 

 ney, at 12,000 feet, and mountains along South Fork of Kern River, at 

 9,800 feet and upward, always growing on the most rocky and exposed 

 places. (388, 380, 349.) 



Tetraoymia canesoens, DC. — Manachi Meadows, 8,200 feet altitude 

 (325), I. c. 408. 



