l8o JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



American Species of Primula with Limited Synonymy. 



P. angustifolia, Torr. (Sect. Nivalis.) Rocky Mts. of Colorado 



and New Mexico. 



P. angustifolia var. Helenae, Pollard et Cockerell. 

 P; americana, Rydberg = farinosa microform. 

 P. angustifolia var. Cusickiana, A. Gray = Cusickiana. 

 P. angustifolia var. Helenae, Pollard et Cockerell = angustifolia. 

 P. borealis, Duby. (Sect. Farinosa.) Alaska. AlsoTschuktschiland, 

 Kansu. 

 Microform : — 



P. Loczii Kanitz. Alaska ; also Kansu. 

 P. Broadheadeae, M. E. Jones == Parryi. 

 P. cuneifolia, Ledeb. (Sect. Cuneifolia), in the Microform 



P. saxifragifolia, Lehmann. Alaska and Aleutian Islands ; 

 also Tschuktschiland, Japan. 

 P. cuneifolia, A. Gray. 

 P. hyperborea, Sprengel. 

 P. Cusickiana, A. Gray. (Sect. Nivalis.) East Oregon. 



P. angustifolia, var. Cusickiana, A. Gray. 

 P. davurica, Spreng. = farinosa microform. 

 P. decipiens, Duby = magellanica. 

 P. egaliksensis , Hornemann = egalliccensis. 

 P. egalliccensis, Wormskiold. Labrador ; also Greenland. 



P. egaliksensis, Hornemann. 

 P. Ellisieae, Pollard et Cockerell =Rusbyi. 

 P. eximia, Greene = nivalis microform. 



P. farinosa, Linn. Canada, N.-E. America. Also Asia, Europe. Cult. 



P. incana, M. E. Jones. 

 Microforms : 



P. americana, Rydberg. Rocky Mts. of Montana, Wyoming, 

 Alberta, Colorado. 



P. farinosa var. americana, Torr. 

 P. Warei, Stein. 

 P. davurica, Spreng. Saskatchewan. Also Asia from 

 Western Siberia and Mongolia to the Urals. Caucasus, 

 N.-W. Russia. Cult. 

 P. groenlandica (Warming). Labrador. Also Greenland. 

 P. stricta, Lange. 



P. stricta var. groenlandica, Warming. 

 P. magellanica, Lehmann. Patagonia. Cult. 



P. decipiens, Duby. 



P. farinosa var. decipiens, DC. 

 P. mistassinica, Michx. Newfoundland to the Rocky Mts. 

 Cult. Introd. 1819, Goldie. 



P. Macalliana, W'iegand. 



P. pusilla, Goldie. 



P. tenuis, Small. 



