79-0007-50 
79-0007-51 
79-0007-52 
79-0007-53 
79-0007-54 
79-0007-55 
79-0007-56 
Opuntia 
79-0007-57 
79-0007-58 
79-0007-59 
79-0007-60 
79-0007-61 
79-0007-62 
79-0007-63 
79-0007-64 
79-0007-65 
79-0007-66 
79-0007-67 
79-0007-68 
79-0007-69 
79-0007-70 
79-0007-71 
79-0007-72 
79-0007-73 
79-0007-74 
79-0007-75 
79-0007-76 
79-0007-77 
stramineus 
stramineus, Plate 48 Cactaceae of the Mexican Boundary 
tuberosus ; initialed 
tuberosus 
tuberosus 
viridiflorus, Plate 36 Cactaceae of the Mexican Boundary 
29 08'°6 OF09 
. Viridiflorus, Plate 36 Cactaceae of the Mexican Boundary 
Opuntia 
Opuntia (ciasticusis?); signed 
Op. bigelovii E, Plate XIX Cactaceae of Whipple’s Expedition 
Op. acanthocarpa, Plate XVIII Cactaceae of Whipple’s Expedition 
Op. acanthocarpa, Plate XVIII Cactaceae of Whipple’s Expedition 
Op. clavata, Plate XXIl Cactaceae of Whipple’s Expedition 
Op. clavata, Plate XXII Cactaceae of Whipple’s Expedition 
Op. clavata & C. viridiflora in upper right corner and verso 
Op. emory 
Op. emory 
Op. engelmanni, Plates VIII & IX Cactaceae of Whipple’s Expedition 
Op. filipendula, Plate 68 Cactaceae of the Mexican Boundary; additional 
sketches on verso 
Op. filipendula 
Op. filipendula Plate 68 Cactaceae of the Mexican Boundary 
Op. macrorhiza 
Op. macrorhiza 
Op. macrorhiza 
Op. macrorhiza 
Op. macrorhiza, Plate 69 Cactaceae of the Mexican Boundary 
Op. macrorhiza, Plate 69 Cactaceae of the Mexican Boundary, & Op. 
basilaris on verso 
Op. macrorhiza, Plate 69 Cactaceae of the Mexican Boundary, & Op. 
procumben 
