100 BULLETIN 56, UNITED STATES NATIONAL MUSEUM. 



Flora of San Jose Mountains.- 

 given in the lists that follow. 

 The trees are: 



Pinus stroMformis Engelmann. 

 Pinus cembroides Zuccarini. 

 Pinus arisonica Engelmann. 

 Pinus ponderosa Lawson. 

 Pinus chihuahuana Engelmann. 

 Allies concolor (Gordon) Parry. 

 Juniperus pachyphlosa Torrey. 

 Yucca hrevifoUa Torrey. 

 Juglans rupestris Engelmann. 

 Salix nuttallii Sargent. 

 Populus tremuloides Micbaux. 

 Populus fremontii Watson. 

 Querous gamhelii Nuttall. 

 Quercus oMongifolia Torrey. 

 Quercus arizonioa Sargent. 

 Quercus emoryi Torrey. 

 Quercus hypoleuca Engelmann. 

 Morus celUdifoUa Humboldt, Bon- 



plaud, and Kunth. 

 Plat anus wrightii Watson. 



-The plant life of these mountains is 



Cercocarpus parvifolius paucidentatus 



Watson. 

 Prunus sailcitolius Humboldt, Bon- 



pland, and Kunth. 

 Acacia greggii Gray. 

 Acacia constricia Bentbam. 

 Prosopis glandulosa Torrey. 

 Rohinia neomexicana Gray. 

 Pielea trifoliata Linnaeus. 

 Acer saccharum grandidentatum (Nutr 



tall) Sudwortb. 

 Acer negwndo Linnaeus. 

 Sapindus marginatus Willdenow. 

 Ariutus arizonica (Gray) Sargent. 

 Arctostaphylos pungens Humboldt, 



Bonpland, and Kuntb. 

 Rhamnus pursMana de Candolle. 

 Praxinus velutina Torrey. 

 CMlopsis linearis (Cavanilles) Sweet. 

 Samhucus mexioana Presl. 



Neither Pseudotsuga mucronata nor Gupressus arizonica were found on the 

 San Jose Mountains. 



Other shrubs and conspicuous plants are : 



Ephedra trifurca Torrey. 



Yucca glauca Nuttall. 



NoUna Undheimeriana (Scheele) Wat- 

 son. 



Dasylirion wheeleri Watson. 



Berberis wilcoxii Kearney. 



Eolodiscus dumosus (Nuttall) Heller. 



PMladelphus microphyllus Gray. 



Ruhus deliciosus neomexioanus (Gray) 

 Kearney. 



Fallugia paradoxa (D. Don) Endlicber. 



Rosa fendleri Crepin. 



Mimosa Muncifera Bentbam. 



Mimosa dysocarpa Bentham. 



Mimosa grahami Gray. 



The slender blue racer snake was found at the monument on the 

 summit of San Jose Pealr; and the beautiful Elaps euryxanthus of 

 Kennicott was taken at my camp near the north base of the mountain, 

 at the altitude of 1,830 meters (6,000 feet). 



Station No. 33. — Johnston's Steam Pump, near Monument No. 93. 

 Altitude, 1,298 meters (4,259 feet). The country about this camp is 

 treeless and grassy, with occasional areas of creosote and other 

 bushes. Unimportant collections were made by myself and Mr. Holz- 

 ner, on October 10, 1892, and by myself August 2 to 5, 1893. 



Mimosa lindheimeri Gray. 



Arnott. 

 Ptelea T)aldivinus Torrey and Gray. 

 Rhus toxicodendron Linnseus. 

 Rhus triloliata Nuttall. 

 Rhus virens Lindbeimer. 

 Geanothus integerrimus Hooker and 



Arnott. 

 ■ Vitis arizonica Engelmann. 

 Parthenocissus guinquefolia (Linnteus) 



Plancbon. 

 Opuntia and other cacti. 

 Garrya torightii Torrey. 

 Symphoricarpos oreophilus Gray. 



