366 BOTANY. 



Bahia 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. — Olanche Mountain, at 10,000 feet 

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

 I c. 617. 



Artemisia Eothrockii, 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. c. 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.) 



Tetradymia canescens, DC— Manachi Meadows, 8,200 feet altitude 

 (325), I. c. 408. 



