46 University of California Publications in Zoology. (Vou. 
Nicotiana attenuata Torrey. 
The wild tobacco was an abundant door-yard weed at Doble, 
and along the road down to Cactus Flat. Noted rarely on the 
upper Santa Ana. It was blooming in August. Identified by 
Dr. Hall. 
Solanum xanti Gray. 
This nightshade was abundant in a dwarfed form on the south 
face of Sugarloaf near the summit, 9500 feet, and about the head 
of the south fork of the Santa Ana, 7500 to 8500 feet altitude. 
Adenostegia rigida Bentham. 
Extremely abundant everywhere in dryish open places on both 
desert and Pacifie slopes; Cactus Flat, Doble, valley of the upper 
Santa Ana, Upper Sonoran and lower Transition; blooming in 
August. 
Castilleia montana Congdon. 
Abundant at edges of semi-wet meadows and near streams, in 
June; South Fork, Fish ereek, Lost creek, ete., 6200 to 7000 feet. 
Castilleia stenantha Gray. 
Common in wet meadows near Bluff lake, on the south base 
of Sugarloaf and along the upper Santa Ana. 
Castilleia Martini Abrams. 
Abundant in June on dry slopes in the region of the upper 
Santa Ana, from lower Transition down into Upper Sonoran. 
Determined by Miss Eastwood. 
Mimulus brevipes Bentham. 
Upper Santa Ana in Upper Sonoran and lower Transition on 
dryish slopes, blooming the last of June. 
Mimulus cardinalis Douglas. 
Noted along several canons on the Pacifie slope, the highest 
being Fish ereek, at 6600 feet altitude. 
