Detail Lophocereus schottii, February 29, 1932
General view at Altar, February 29, 1932
Copal tree, Hill, March 1, 1932
General view at Libertad, March 1, 1932
General view at Libertad, vegetation named, March 1, 1932
Olive row, March 1, 1932
Bare area, showing grasses, March 3, 1932
Detail of Libertad, March 3, 1932
General of vegetation, March 3, 1932
Sedum-like, March 3, 1932
General toward Libertad, March 3, 1932
Lophocereus schottii, Encelia, March 3, 1932
Best camp cooks, March 3, 1932
Sunset on Gulf, March 3, 1932
Coast Line, March 3, 1932
Saguaro, March 3, 1932
General of desert growth, March 4, 1932
General growth on desert, March 4, 1932
Vegetation, desert, ocean back, March 4, 1932
Saguaro, desert veg., March 4, 1932
Sahauso, old and young, March 4, 1932
Detail of young growth of Sahuaso, March 4, 1932
Echinocereus, March 4, 1932
Detail of Echinocereus, March 4, 1932
Idria, Sahuaso, octillo, ocean, March 4, 1932
Small Idria, March 4, 1932
Detail of Idria stem, March 4, 1932
General over valley, March 4, 1932
General over desert growth, March 4, 1932
General view of veg., March 4, 1932
General view of veg., toward hill, March 4, 1932
General veg., toward ocean, March 4, 1932
Gaertneria, Opuntia, Encelia, etc., March 4, 1932
General view, March 4, 1932
Pack rat nest, March 4, 1932
Idria columarii, veg. etc, March 4, 1932
Frankenia association, March 5, 1932
Vegetation of desert, March 5, 1932
Opuntia fulgida, etc., March 5, 1932
General Opuntia fulgida, etc., March 5, 1932
Vegetation named, desert, March 5, 1932
Veg. in desert here, March 5, 1932
Sahuaso, etc., March 5 , 1932
Bare area, showing grasses, March 6, 1932
Desert vegetation, March 6, 1932
Yucca, March 6, 1932
Calliandra, March 6, 1932
Root system of Cereus thurberi, March 6, 1932
Mission interior, March 6, 1932
General of desert vegetation, March 6, 1932
Bouteloua, Hilaria, etc., March 6, 1932
Bouteloua, small Covillea, etc., March 6, 1932
Clump of yucca, March 6, 1932
Savanna and mesquite, March 6, 1932
Mission Conception, river side, March 6, 1932
Mission Conception, March 6, 1932
Mission, March 6, 1932
Desert vegetation, March 7, 1932
Gaertneria, desert veg., March 7, 1932
Young mesquite, tall Aristida, March 7, 1932
Desert vegetation named, March 7, 1932
Bouteloua, Gaertneria, Encelia, March 7, 1932
Mission Guadalupe, March 7, 1932
Plaza, March 6, 1932
Date Palms, 200 yrs. Old, March 7, 1932
Roots of mesquite, Franseria, desert veg., March 7, 1932
Desert veg. named, March 7, 1932
Bouteloua rothrockii, Gutierrezia, March 7, 1932
Olive row, March 7, 1932
Detail Opuntia fulgida, March 23, 1932
Detail of ephmeral growth, March 23, 1932
Detail, desert growth, March 23, 1932
Covillea, Saguaro, mesquite, etc., March 23, 1932
Detail, desert primrose, etc., March 23, 1932
Erotia, Primrose, Franseria, etc., March 23, 1932
Detail, desert veg., March 23, 1932
Opuntia fulgida, March 23, 1932
Palo Verde, view of Mt., March 23, 1932
General view of Mt., March 23, 1932
Owl, May 4, 1932
Detail flower, Lophcereus schottii, May 4, 1932
Great horned owl, May 5, 1932
Mission, May 5, 1932
Detail Cereus giganteus, May 5, 1932
Cereus giganteus, detail, May 5, 1932
Lophocereus schottii, May 5, 1932
Detail of Lophocereus schotti, May 5, 1932
Mission Conception, May 5, 1932
Racheros, May 5, 1932
Cereus giganteus, deceased, May 5, 1932
Corral, May 5, 1932
Well, May 5, 1932
People, May 5, 1932
Top of Lemairocereus thurberi, May 5, 1932
Lemairocereus thurberi, detail, May 5, 1932
Opuntia Santa Rita, May 5, 1932
Opuntia Santa Rita, flower, May 5, 1932
Overturned rock, May 6, 1932
Detail of algae, May 6, 1932
Frankensia, desert veg., May 6, 1932
Bray and Perkinds in the sack, May 6, 1932
Detail of Frankenia, May 6, 1932
Desert and Mt. view, May 6, 1932
Breakfast, May 6, 1932
Lichens, May 6, 1932
Rocks and sea, May 6, 1932
Detail, sides of rocks, May 6, 1932
Detail of small mesquite, agave, May 6, 1932
Deert veg. and sea, May 6, 1932
Detail Opuntia bigelovii, May 6, 1932
View toward hills, May 6, 1932
Small mesquite, agave, May 6, 1932
Detail flower of Pachycereus pringlei, May 6, 1932
Detail of flower bud, May 6, 1932
Cereus pringlei, detail, May 6, 1932
Cereus pringlei, May 6, 1932
Pachycereus pringlei, detail, May 6, 1932
Detail of fruiting branch, May 6, 1932
Detail flower of Pachycereus pringlei, detail, May 6, 1932
Bud and fruit, May 6, 1932
Flower, Cereus pringlei, May 6, 1932
Agave, May 6 1932
Seri Indian, May 7, 1932
Seri girls, May 7, 1932
Seri men, May 7, 1932
Opuntia erecta?, May 7, 1932
Detail of spines and fruit, May 7, 1932
Detail of spines of Opuntia, May 7, 1932