8 Flora of Denver. 



44. Saponaria officinalis L. (BOUNCING-BET.) Introduced 

 along the D. & R. G. track near Petersburg. v Summer. 



45. Saponaria Vaccaria L. Smooth, diffusely branching, 

 corolla pink, calyx enlarged and angled. Introduced, common 

 around Denver. Summer. 



PORTULACACE^E. (Portulaca Family.) 



46. Portulaca oleracea L. (PURSLANE.) Introduced, 

 Common. 



47. Talinum teretifolium PURSH. Leaves fleshy, round 

 linear, flowers small and pink in a cyme. Along the Platte, 

 North Denver near Argo, Riverside Cemetery. Summer. 



MALVACEAE. (Mallow Family.) 



48. Sidaicea malvaeflora Mo9- & SESS. (PiNK MALLOW.) 

 Branching from the base, flowers pink, carpels beaked. Rare 

 along the Platte bottom. Summer. 



49. Malvastrum coccmeum GRAY. (RED MALLOW.) Stel- 

 lately pubescent, flowers light red. On the plains. Summer. 



50. Malva rotundifolia L. (COMMON MALLOW.) Intro- 

 duced in North Denver. 



LINAGES. (Flax Family.) 



51. Limim perenne L. (BLUE FLAX.) Rare around 

 Denver. 



GERANIACE^. (Geranium Family.) 



52. Geranium Fremdntii TORR. (WILD GERANIUM.) Vis- 

 cid glandular, flowers pink. Along the Platte. Perrin's 

 meadow. Summer. Rather rare. 



