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the rmbelliferae, keys to flowering, as well as fruiting, plants 

 are supplied, thus removing one source of discouragement to 

 many of those whose interest in botany revives with the spring. 

 In Antetinaria and Salix there are separate keys for staminate 

 and pistillate plants. 



Within each family the genera are arranged alphabetically, 

 as are the species within each genus. While such procedure 

 would be inexcusable in a taxonomic monograph, it may have 

 its advantages in a manual, although the present writer, having 

 worked in herbaria where species are arranged in alphabetic 

 sequence, and in those where an attempt at natural order is 

 made, must confess that he much prefers the latter. 



N. C. Fassett 



