TABLES 



ABBREVIATIONS 

 The well known abbreviations of the states of the United States are here 



omitted. 



Adv. = adventive 



Alp. = Alpine Zone 



Alta. = Alberta* 



Am. = America or American 



Ap = April 



Arctic = Arctic Zone 



Au = August 



Auth. = Authors! 



B. C. = British Columbia 

 Boreal = Boreal Zone 



c = central 



C. Am. = Central America 

 cm. = centimeter 



D = December 



dm. = decimeter 



e = eastern 



Eu. = Europe 



Eurasia = Europe and northern Asia 



F = February 



(Fl. Colo.) = The Author's Flora of 



Colorado 

 (Fl. Mont.) = Catalogue of the Flora 



of Montana and Yellowstone Park 

 Greenl. = Greenland 

 Ja = January 

 Je = June 

 Jl = July 

 Labr. = Labrador 

 L. Calif. = Lower California 

 L. Son. = Lower Sonoran Zone 

 m. = meter 



Mack. = Mackenzie Territory 

 Man. = Manitoba 

 Mex. = Mexico:}: 



mm. = millimeter 



Mont. = Montane Zone 



Mont. = Montana 



Mr = March 



My = May 



n = northern 



N = November 



N. Am. = North America 



Nat. = Naturalized 



N. B. = New Brunswick 



ne = northeastern 



Newf. = Newfoundland 



N. S. = Nova Scotia 



nw = northwestern 



O = October 



Ont. = Ontario 



P. E. I. = Prince Edward's Island 



Plain = Subboreal Plains 



Que. = Quebec 



s = southern 



S = September 



S. Am. = South America 



Sask. = Saskatchewan 



se = southeastern 



Son. = Sonoran Zone 



Subalp. = Subalpine Zone 



Subarctic = Subarctic Zone 



Subboreal = Subboreal Zone 



Submont = Submontane Zone 



sw = southwestern 



Trop. = tropical 



w = western 



W. Ind. = West Indies 



SIGNS 



- (short dash) between figures or words 

 means that the two figures or two 

 words denote the extreme of varia- 

 tion. 



Subgenus or section of a genus. 



(long dash) between the names of 

 two or more states denotes the 

 extent of distribution. 



X denotes a hybrid between the two 

 species mentioned. 



MEASUREMENTS 



1 mm. = ^/25 inch 



3 mm. = Vs inch 



1 cm. = % inches 



5 cm. = 2 inches 



1 dm. = 4 inches 



1m. =40 inches or 3^ feet 



300 m. = 1000 feet 



1 line = 2 mm. 

 1/8 inch = 3 mm. 

 1 inch = 2.5 cm. 

 1 span = 1 dm. 

 1 foot = 3 dm. 

 1 vard = 9 dm. 



* Many people use the abbreviation "Alb.", but as far as the author has been able to 

 ascertain, the official one is "Alta." 



t Used in cases of misapplications of names where the author first using it in such a 

 sense has not been ascertained. 



t Observe the difference between N. M. (New Mexico) and n Mex. (northern Mexico) . 



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