28 



SILVA OF NORTH AMERICA. 



CUPULEFER^. 



Querciis Breweri was discovered in August, 1862, by Professor William H. Brewer/ growing on 



the top of a dry ridge a few miles west of Mount Shasta in northern California. 



^ William Henry Brewer, of Frencli Huguenot and Dutch de- School at Yale College, which he still occupies. In 1865 Professor 



scent, was born in Poughkeepsie, New York, on September 14, Brewer began in the Gray Herbarium at Cambridge the prepara- 



1828, and in infancy was taken to Enfield in the central part of tion of a Flora of California, and in 1874 his friends in that state 



the state, his parents settling there upon a farm where his child- raised a sum of money to cover the expenses of this publication, 



hood and youth were passed. In 1848 he entered the Scientific The first volume appeared in 1876, the Polypetalse being princi- 



School of Yale College, from which he was graduated four years pally described by Professor Brewer and the Gamopetalse by Asa 



later. Beginning to teach in academies in 1850, while still it Gray. The second volume, from the pen of Serene 



college student, he continued to do so in central New York until other botanists, was published in 1880. 



Watson 



1858, with the exception of two years wliich he passed in Germany 



Since his connection with the Sheffield Scientific School, Profes- 



and France studying botany and chemistry. In 1858 he was ap- sor Brewer has exerted a wide influence by his lectures on agricul- 



Washingt 



tural science and his papers on many scientific subjects published 



vania ; but two years later, having received the appointment of in periodicals and in the proceedings of scientific societies. The 



first assistant in the newly oi^ganized California State Geological genus Brewerina from the California mountains, now united with 



Survey, Professor Brewer went to California, where he remained Arenaria, was established by Gray to commemorate Professor 



for four years in charge of the field work of the survey. During Brewer's important services in elucidating the flora of that state, 



this period he traveled all over the state, and made large and im- One of the high peaks of the Sierra Nevada, the remotest fast- 



portant collections of plants, with copious field-notes ; and the first nesses of which he explored, climbing all the high summits and 



comprehensive and accurate knowledge with regard to the distri- crossing and recrossing all the passes, bears his name, which is 



bution and the scientific and economic characters of California also associated with a beautiful Spruce-tree of the California moun- 



trees was obtained from his field observations. In 1864 he was tain forests, 

 appointed to the chair of agriculture in the Sheffield Scientific 



EXPLANATION OF THE PLATE. 



Plate CCCLXIII. Quercus Breweri. 



1. A flowering branch, natural size. 



2. A staminate flower, enlarged. 



3. A pistillate flower, enlarged. 



4. A fruiting branch, natural size. 



5. A fruit, natural size. 



6. Upper surface of a portion of a mature leaf showing 



stellate pubescence, enlarged. 



7. A winter-bud, enlarged. 



