15 



ABBREVIATIONS. 



A. Br., Mouogr. A. Braun, Monographie^der, Characeen. 

 Adv. Adventive. 



Am. Nat. American Naturalist. 



Bailey, Prel. Syn. N. A. Carices. Preliminary Synopsis of North 

 American Carices. 



B. S. N. H. Boston Society of Natural History. 



Bigelow's PL Bost.-^Jacob Bigelow's Florula Bostoniensis. 



Boiss. PL Or. Boissier, Flora Oriental! s. 



Bot. Cal. Botany of California, Watson. 



Bot. Reg. Botanical Register. 



Chapman's S. Fl. Flora of the Southern States. 



Coulter, R. M. Bot. Manual of the Botany of the Rocky Mountain 



Regions. 

 DC., Prodr. DeCandolle's Prodromus. 



Gray, Syn. PL N. A. Synoptical Flora of North America. 



Int. Introduced. 



Koch, Syn. Flor. Germ. Synopsis Florae Germanicae. 



Koch., Taschenb. d. Deutsch. & Schw. FL Taschenbuch der 



Deutschen und Schweizerischen Flora. 

 Lesq. & James, Man. Lesquereux and James, Manual of the Mosses 



of North America. 

 Man. Gray's Man., Fifth Edition. 



Nat. Naturalized. 



Wood's Bot. & FL Botanist and Florist. 



