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Ditaxis neomexieana (Hue 11. Arg .)fft . 
Eriogonum trichopes Torr. 
Ephedra trifurca Torr. 
Hymenoclea pentalepis Rydb. 
Mimosa bluncifera Benth. 
Kama hispidum var. spathulatum (Torr.) G. L. Hitchc. 
Opuntia sp. (not identifiable, apparently a mixture) 
Cercldlum microphyllum (Torr.) Rose & Johnston 
Ghilopsis linearis (Cav.) Sweet 
Prosopis Juliflora var. velutina (Woot.) Sarg. (= P.articulata 
3. %ts. fide Bur kart) 
Clematis Drummondit T. & Q-. 
Condalia lycioidea var. canescens (A. Gray) Trelease 
Acacia constricta Benth. 
Opuntia arbuscula Engelm. 
Gere us giganteus Engelm. 
Fouquleria splendens Rnrrelm. 
Opuntia leptocaulis DC. 
Opuntia Ehipplei Engelm. & Bigel. 
Calliandra eriophylla Benth. 
Porophyllum gracile Benth. 
Streptanthus arizonicus 9. Eats. 
Muhlenbergia microsperma (DC.) Kunth. 
Bouteloua curtipendula (Michx.) B.S.p. 
Acacia Greggli A. Gray 
Oimmondsia chinensis (Link) Ochneider 
Cercidium microphyllum (Torr.) Rose & Johnston 
floridum Benth. 
Frankenia Jamesli Torr. 
Atriplex confertifolia (Torr. & Ferm.) 3. Wats. 
Abronia fragrans Mutt. 
Sporobolus airoides (Torr.) A Gray 
•Hilaria Jamesii (Torr.) Benth. 
ti n 
