August ^'), [910 "-1 



tory. Extending for sonic distance from the mountains east- 

 ward, most of the plants of that part of Nebraska and Kansas 

 which is included in the Manual are found on the plains of east- 

 ern Colorado. Its long range of lofty mountains contain about 

 all the alpine flora which is found in the adjoining states. Mos( 

 of the plants of northern New Mexico probably reach its south- 

 ern border; and not many of the peculiar desert plants are found 

 in eastern Utah which are not also found in western Colorado. 

 Some plants of the Uinta and Wasatch mountains are not found 

 in Colorado, and there are quite a number in the north and 

 northwestern part of the territory which do not reach Colorado. 

 1 suppose the larger part of these plants which are described in 

 the Manual and not found in Colorado are of this section. Sev- 

 eral species of Carex and Salix, some species of Astragalus and 

 Aragallns^ the genera Comaruni, Falsia, Bupleiirnm, Orcas- 

 trun/, Ionactis^ and Tanacctuni, may be mentioned as examples. 



Judging from the range as given in the descriptions of spe- 

 cies, one can not be quite sure how many of the listed plants are 

 found in Colorado. Many are said to occur in Colorado, many 

 are said to occur ''throughout our range," some are said to be 

 found from "Texas to Montana," and some '.'range across the 

 continent." Counting those which are said to occur in C"!< - 

 rado or are in territory in which Colorado is included, I listed 

 2169 species and varieties. Since 2919 species and varieties are 

 described, this would leave 750 which are found in the surround- 

 ing territory and not in Colorado. However, quite a number of 

 plants are found in Colorado which are not so indicated. In a 

 hasty examination I noticed the following which do not seem to 

 be included in the Colorado flora: 



Carex Reynoldsii Dewey; Heteranthera limosa (Sw. ) YVilld.; 

 Allium sibiricum L.; Fritillaria atropurpurca Nutt; Lewisia 

 rediviva Pursh; Ceratophyllum demersum L.; Amorpha fruti- 

 cosa L.; Amorpha nana Nutt.; Polygala alba Nutt; Asclepias 

 incarnata L.; Pentstemon Fremont ii T. & G.; Gilia pharna- 

 ceoides Benth.; Stenophragma : irgaia (Nutt.) Greene; Horkelia 

 Gordon! Hook.; Agastache urticifolia (Benth.) Rydb.; Cvmop- 

 terus Parryi (C. & R.) Jones; Lupinus plattensis Wats.; Cham- 

 aerhodos erecta (L. ) Bunsre. 



