THE EXPLORATIONS OF HARTWEG IN AMERICA. 55 



Rhamnus iomentella, Benth. In the Sierra foot-hills, probably on the 

 excursion along the Yuba. 



Hosackia brachycarpa, Benth. In the Sierras, Yuba River region. 



I'runus subcordata, Benth. Sierra foot-hills, Butte County. 



Chamiebatia foliolosa, Benth. Excursion to Bear Valley, in the Pinus 

 ponderosa belt. 



Pliiladelphus Californicus, Benth. With the preceding. 



Sedum pumilum, Benth. Upper Sacramento Valley. 



Saxifraga peltata, Torr. "Pine Creek," Sierra foot-hills, Butte County. 



Heuchera pilosissima, F. & M., var. Hartwegi, Wats. Near Monterey. 



Deweya Hartwegi, T. & G. Sierra foot-hills. 



Peucedanum tomentnsum, Benth. Butte County, in the dry bed of a 

 creek; described as huving an aromatic tap-root and valued by the 

 Indians for its medicinal properties. 



Cicuta Californica, Gray. Near Monterey. 



Lonicera interrupta, Benth. Mountain defile leading to the mission of 

 San Antonio. 



Lessingia ramulosa, A. Gray. On level ground near Sonoma, also near 

 San Rafael. 



Monolopia bakuvfoUa, Benth. Plains near the junction of the Yuba 

 and Feather Rivers. 



Lngophylla dichotoma, Benth. Fields of Butte County. 



Arnica discoidea, Benth. In woods near Monterey. 



Antennaria argentea, Benth. Sierras; excursion to Bear Valley. 



Evax caulescens (Benth.), Gray. Valley of the upper Sacramento. 



Scorzonella sylvatica, Benth. Sacramento Valley, near the junction of 

 the Yuba and the Feather. 



Erythrsea floribunda, Benth. Sacramento Valley. 



Frasera nitida, Benth. Sierras. 



Cycladenia humilis, Benth. Sierras. 



Asclepias eriocarpa, Benth. "Tularcitos," possibly Pelarcitos, near 

 Monterey. 



G mphocarpus cordifolius, Benth. Marysville Buttes. 



Nemophila maculata, Benth. Sierra foot-hills, right bank of the Yuba. 



Navarretia leucocephala, Benth. Plains near the Feather River. 



Navarretiaviscidula, Benth. Sierras (probably in the foot-hills). 



Giliafilipes, Benth. Upper Sacramento Valley. 



Gilia tenella, Benth. Plains near the junction of the Feather and the 

 Yuba. 



Phlox diffusa, Benth. Bear Valley, High Sierras. 



Plagiobothrys canescens, Benth. Upper Sacramento Valley. 



Ilesperochiron Californicus (Benth.), Wats. Bear Valley, High Sierras. 



Pentstemon azureus, Benth. Dry bed of creeks, Butte County. 



CoUimia iinctoria, Hartw. Right bank of the Yuba, Sierra foot-hills. 



