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FLORA OF COLORADO. 
_ tensive and best collections ever made in the state, and. for its 
imperfect knowledge of the distribution of species in. the: state. 
t. Rydberg’s critical work seems to be confined to collec- 
tions accessible to him at Columbia and is and always has been 
devoid of. that large generalization and critical. knowledge that 
he could have obtained at Harvard and Washington, and of. the 
many valuable western collections. His specific limitations of new 
or rare species seem tc ave been drawn from single specimens 
and are always defective. . 
t is very unfortunate that Mr. Rydberg has become so sat- 
the species making craze his work would good. There is a 
steady deterioration in his work since he got out Physalis and 
Potentilla. 
any judgment worth having. We know that botanical bossism is 
the work the-bosses had at their disposal. 
