Early Botanical Explorers on the Pacific Coast 3 9 
Springs, which might perhaps be where it was first found. After 
his discharge, he remained for awhile in California, but did not 
even visit the Consulate for his letters. Later he joined a party 
going to Yuma and was never again heard from. The cost of post¬ 
age on one box is interesting. Sent from San Francisco in 1842, 
the postage on the box amounted to £135—about $670. How¬ 
ever, much to the relief of the subscribers, it was remitted by the 
postal authorities. 33 
The Incense Cedar ( Libocedrus decurrens ) observed by Fre¬ 
mont in 1844 s4 was described by Dr. Torrey in 1853 from speci¬ 
mens obtained by Fremont on the upper waters of the Sacramento 
in 1846. 35 It did not become well known until 1852, when Jeffrey 
sent seeds and specimens to Scotland. The name Thuja Craigiana 
was given to it there, and in the gardens of Great Britain it was 
known by this name. 36 Fremont reported seeing the Sierra Live 
Oak in March, 1844, on the south fork of the American River, 
but collected no specimens. 37 It was later described from speci¬ 
mens collected by Dr. F. A. Wislizenus on the American River 
in 1851J and in 1868 named Quercus Wislizeni in his honor. 88 
Fremont collected many plants, but made poor specimens, as he 
was not a botanist. Fremontia is named in his honor, besides many 
species. The localities are often doubtful, as is to be expected in 
unknown regions where the physical features are unnamed. 
The California Walnut 
The California Walnut ( Juglans californica) was first noted in 
i8 37j by Richard Brinsley Hinds, the surgeon and botanist of 
H.B.M.S. Sulphury which made a voyage around the world in 
