44 University of California Publications in Zoology. (VoL. 
Sarcodes sanguinea Torrey. 
The snow plant was abundant throughout the Transition zone, 
but neither above or below. It was in bloom in early June and 
had largely disappeared by the first of July. 
Arctostaphylos patula Greene. 
This species of manzanita was characteristic of the upper half 
of the Transition zone. It formed dense rather low thickets from 
6500 feet, in cool places, up to 9000 feet altitude, south of the 
Santa Ana, according to slope. Its range overlapped that of the 
chinquapin above, and around Bluff lake these two brush plants 
were intimately associated. I also saw this manzanita on the 
north and south slopes of Sugarloaf. 
Arctostaphylos manzanita Parry. 
Abundant on the Pacifie slope in the Upper Sonoran zone 
toward its upper limits and extending in places well into lower 
Transition. At the head of Mountain Home creek and over the 
divide toward Seven Oaks, it was blooming profusely June 13, 
1907. By August 12 the fruits were full grown. In the vicinity 
of Seven Oaks, in the scrub oak belt, and up the Santa Ana on 
the north side to at least 5700 feet, it was conspicuous. (Other 
manzanitas were noted in the Upper Sonoran zone, but they re- 
main unidentified. ) 
Bryanthus Breweri Gray. 
The mountain heather was found common and blooming on the 
north side of San Gorgonio Peak, 9500 to 10,500 feet, July 16; 
and on San Bernardino peak, 10,600 feet, July 12. 
Dodecatheon alpinum Greene. 
This shooting star was flowering abundantly on the Boreal 
meadows at the head of the south fork of the Santa Ana, 7500 to 
8500 feet altitude, June 15 to July 15. 
Eriodictyon trichocalyx Heller. 
This white-flowered yerba santa was abundant in open places 
along the upper Santa Ana, blooming the latter half of June and 
