748 
Journal of Agricultural Research 
Vol. XXVIII, NO. 8 
ANNUAL AND BIENNIAL SPECIES OF THE DESERT-SAGE ASSOCIATION IN THE GILA 
VALLEY 
Common or Frequent 
Dipetalia subulata (Webb & Berth.) 
Kuntze. 
Chylisma scapoidea (Nutt.) Small. 
Eremalche exilis (A. Gray) Greene. 
Bowlesia septentrionalis Coult. & Rose. 
& Pectocarya penicillata (Hook. & Arn.) 
A. DC. 
Aster parviflorus A. Gray. 
& Conanthus demissus (A. Gray) Heller. 
Matricaria matricarioides (Less.) Por¬ 
ter. 
Fio. 12.—A 1-meter quadrat taken within the quadrat in figure 11 to show the annual flora of the 
desert-sage association. The letters give the location of each individual plant. 
A = Aster parviflorus A. Gray. 
B = Baeria chrysostoma Fisch. <fe Mey. 
Br » Festuca octoflora Walt. 
C *= Chylisma scapoidea (Nutt.) Small. 
Co — Conanthus demissus (A. Gray) Heller. 
Cr = Thelypodium lasiophyUum (Hook. & Arn.) Greene. 
E = Baeria aristata (Nutt.) Coville. 
L = Lappula occidentalis (S. Wats.) Greene. 
M — Eremalche exilis (A Gray) Greene. 
Me— Mentzelia albicaulis Dougl. 
P = Plantago ereda Morris. 
Pe = Pectocarya penicillata (Hook & Arn.) A. DC. 
S —Dipetalia subulata (Webb. & Berth.) Kuntze. 
TJ = Spermolepis echinatus (Nutt.) Heller. 
Amsinckia menziesii (Lehm.) Nels. & Macbr. occurs around the desert-sage bushes. 
Mapped March 29, 1915, Chandler, Ariz. 
Plantago erecta Morris. 
Festuca octoflora Walt. 
Baeria chrysostoma Fisch. & Mey. 
Lepidium lasiocarpum Nutt. 
Poa bigelovii Vasey & Scribn. 
Thelypodium lasiophyUum (Hook. 
Arn.) Greene. 
Baeria aristata (Nutt.) Coville. 
Amsinckia menziesii (Lehm.) Nels. 
Macbr. 
