12 Flora of Denver. 



84. Astragalus racemdsus PURSH. Corolla pink or white, 

 calyx swollen at one side, pods hanging in a loosely, many- 

 flowered raceme, cross section triangular. Rare along the 

 Platte. Early summer. 



85. Astragalus microlobus GRAY. Stems spreading on 

 the ground, canescent, flowers blue, pods reflexed, wrinkled, 

 curved upward, one-celled. The pods have the appearance of 

 small bugs running down the stem. North Denver near 

 Elitch's gardens. Summer. 



86. Astragalus lotiflorus HOOK. Low with the inconspic- 

 uous yellowish-white flowers and long white hair}^ pods at the 

 base of the stem surrounded by the leaves, pods one-celled, 

 pointed. Common on the plains. It blooms early in th,e 

 spring and a second time in the fall. 



87. Astragalus Shortianus NUTT. Low, with large violet 

 flowers clustered near the end of the naked stems. Pods large, 

 leathery, pointed, and strongly curved inward, almost two- 

 celled, wrinkled. Leaves and stem covered with appressed 

 silky hairs. Berkeley. Spring. 



88. Astragalus Parryi GRAY. Covered with loosely spread- 

 ing white hairs, flowers white, tinged with crimson, pod with 

 very long point, curved inwards, wrinkled, almost two celled 

 by the intrusion of both sutures. Spring and summer. 



89. Astragalus sparsifiorus GRAY. Sterns decumbent, pods 

 deflexed, mottled, curved inwards, almost two-celled. Spring 

 and summer. Along the Platte. 



90. Astragalus pictus GRAY. var. filifolius GRAY. Leaves 

 either compound with .thread-like divisions or simple and 

 thread-like, pods inflated, mottled with red, flowers small and 

 white. In sandy places often under sagebrush. Common on 

 the plains. Summer. 



91. Astragalus sericoleucus GRAY. Forming dense mats. 

 Berkeley. Early spring. 



