26 BI7LLETIX 1091, U. S. DEPARTMENT OF AGRICULTURE. { ^i^No??, 
Table 3. — List of all plant species found in 22 dens of Dipodoniys spectabilis. 
on the United States Range Reserve, near the Santa Rita Mountains, Ariz., 
with approximate total tceights. 
Geasses. 
Grams. 
Aristida brornoides (six-weeks needlegrass) 536 
Aristida divaricata (Humboldt needlegrass i 9,412 
Aristida scabra (rough needlegrass) 344 
Bouteloua aristidoides (six-weeks grama) 3.093 
Bouteloua radicosa (grama) 1,269 
Bouteloua eriopoda (black grama) Tr. 
Bouteloua rothrockii (seeds, 8,495; crowns, 3.517 grams) (crowfoot 
grama) 12, 012 
Festuca octoflora (fescue grass) TO 
Panicum arizonicum (Arizona panic-grass) 11 
Panicum ballii (Hall panic-grass) Tr. 
Pappaphorum wrightii Tr. 
Tridens pulchella Tr. 
Valota saccharata Tr. 
Other Plaxts. 
Alternanthera repens Tr. 
Anisolotus trispermus (bird's-foot trefoil) 186 
Aplopappus gracilis 1, 030 
Apodanthera undulata (melon loco) 55 
Astragalus nuttallianus (milk vetch) 630 
Ayenia microphylla Tr. 
Boerhaavia wrightii S85 
Ghamaecrista leptadenia (partridge pea) 5 
Echinocactus wislizeni (visnaga) 5 
Eriogonum polycladon 35 
Eschscholtzia mexicana (Mexican poppy) 250 
Gaertneria tenuifolia (franseria) Tr. 
Collomia gracilis (false gilia) Tr. 
Heterotheca subaxillaris Tr. 
Kallstroemia laetevirens Tr. 
Lupinus sparsiflorus (lupine) Tr. 
Martynia altheaefolia (small devil's-horns) __ 12 
Mollugo verticillata (carpetweed) 324 
Oenothera primiverus (evening primrose)-- 15 
Opuntia discata (prickly pear) 15 
Loeflingia pusilla — - Tr. 
Lepidium lasiocarpum (peppergrass) Tr. 
Plantago ignota (plantain) 818 
Polygala puberula (milkwort) Tr. 
Portulaca suffrutescens (purslane) Tr. 
Prosopis velutina (mesquite) 1,570 
Sida diffusa (spreading sida) 30 
Solanunuelaeagnifoliuin (742 fruits) (trompillo, prickly solanum) 156 
Puffballs and fleshy fungi (undetermined) 12 
Total species, exclusive of fungi. 41. 
