136 



BULLETIN 56, UNITED STATES NATIONAL MUSEUM. 



of the Colorado River, and 43 kilometers (27 miles) east of the 

 Pacific Ocean. Altitude 520 meters (l,70<j feet). This station, 

 which is located on the right bank of the Tecate River, at the foot of 

 Tecate Mountain (altitude 1,185 meters, or 3,888 feet), was occupied 

 by my party from June 23 to 27, 1894. 



Station No. 94. — San Isidro Ranch, Lower California, about 3 

 kilometers (2 miles) south of Monument No, 250, 190 kilometers (118 

 miles) from the Colorado River, and 31 kilometers (19 miles) from 

 the Pacific Ocean. This station, which was occupied from June 27 

 to July 3, 1894, was located on a stream near its origin in a large 

 spring in a nearly inclosed hollow of the Cerro de San Isidro. 



Station No. 95. — Jamul Creek, at the old date palm tree, between 

 Dulzura and El Nido, San Diego County, California. This station, 

 which was occupied by my party from July 3 to 9, 1894, is 11 kilo- 

 meters (7 miles) north of Monument No. 251, 204 kilometers (127 

 miles) from the Colorado River, and 24 kilometers (15 miles) from 

 the Pacific Ocean. 



Station No. 90. — Pacific Ocean at the mouth (south side) of 

 Tijuana River, 217 kilometers (135 miles) Avest of the Colorado 

 River and near the last Boundary Monument (No. 258). My party 

 was encamped at this place from Julv 9 to 20, 1894. Mr. Frank X. 

 Holzner left the party July 20, 1894^ on which date we reached San 

 Diego. 



Flora of Pacific slope of the Coast Range Mountains. — FolloAving 

 is a list of the trees and other conspicuous plants observed by us 

 between Jacumba Hot Springs (Monument No. 233) and the mouth 

 of the Tijuana River (Monument No. 258), on the Boundary Line. 

 A list of the coarse vegetation at the summits of the Coast Range, 

 north of the Boundary Line, has been given in the description of 

 Station No. 92. 



The trees are : 

 Finns viotioiiln/Ihi Torrey and 



mont. 

 CnpressuN gorciiiana Gordon. 

 Junipcrus faliforuica Carriere. 

 Yucca moJiavcnsis Sargent. 

 f^alix nigra Marshall. 

 8alix lavigatu Bebb. 

 Salix fluviafilis Nuttall. 

 Salix lasiolcpis Bentbam. 

 Populus fremontii Watson. 

 Ahius orcgona Nuttall. 

 Quercus engelmanni Greene. 

 Quercus tJximosa Nuttall. 

 Quercus agrifolia Nt-e. 

 Platan us rarrnioxa Nuttall. 



Frc 



Cercocarpus parrifoliiis hetiilnides 

 (Nuttall) Sargent. 



Hctcromelcs arhidifolia (Poiret) 

 Roenier. 



Prunus ilicifnlia (Nuttall) Waliiers. 



Acacia grrggii Gray. 



J'rosopis gJandulosa Torrey. 



Adcnosiorua sparsifoliuDi Torrey. 



Frniiontodendron califnniicu»i (Tor- 

 rey) Coville. 



Rhus iutegrifolia (Nuttall) Bentbam. 



Opnniia jtrolifo'a Engelmann. 



Arciostaphylos sp. 



Samhucus glauca Nuttall. 



