l68 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



P. auriculata, Lam. (Sect. Auriculata.) Armenia, Caucasus, Persia 



— to Afghanistan. Cult. 1784. 

 P. baldschuanica, Fedtsch. (Sect. Auriculata.) Turkestan. 

 P. Bayernii, Rupr. = nivalis microform. 

 P- borealis, Duby. (Sect. Farinosa.) Tschuktschiland. 

 P. Boveana, Decne = verticillata microform. 

 P. capitellata, Boiss. (Sect. Farinosa.) Persia, Afghanistan. 

 P. Columnae, Ten. = officinalis microform. 

 P. cordifolia, Rupr. == elatior microform. 



P. cortusoides, Linn. (Sect. Cortusoides.) Urals to Altai. Cult. 

 Introd. 1791. 



P. cuneifolia, Ledeb. (Sect. Cuneifolia.) East Siberia — to Japan 



and Aleutian Islands. 

 P. darialica, Rupr. (Sect. Farinosa.) Caucasus. Cult. 

 P. davurica, Spreng. = farinosa microform. 



P. elatior (Linn.), Hill. (Sect. Vernalis.) In its microforms : — 

 P. cordifolia, Rupr. Caucasus, Armenia. 

 P. Pallasii, Lehm. Urals, Caucasus, Armenia, North Persia. 

 Cult. 



P. pseudoelatior, Kusnetzow. Caucasus. 

 P. eximia, Greene == nivalis microform. 



P. farinosa, Linn. (Sect. Farinosa.) Baikal, Siberia, Mongolia, 

 Europe, North America. Cult. 

 Microform : — 



P. davurica, Spreng. Through Siberia and North Mongolia. 

 North America. Cult. 1809. 

 P. Fedtschenkoi, Regel. (Sect, uncertain.) Turkestan. 

 P. grandis, Trautv. (Sect. Sredinskya.) Caucasus. Cult. 

 P. heterochroma, Stapf = acaulis microform. 



P. Juliae, Kusnetzow. (Sect. Vernalis.) Caucasus. Cult. Introd. 1910. 

 P. Kaufmanniana, Regel. (Sect. Cortusoides.) Turkestan. Cult. 

 P. longiflora, All. (Sect. Farinosa.) Caucasus, Armenia — to 



Europe. Cult. 

 P. longipes, Freyn et Sintenis = nivalis microform. 

 P. luteola, Rupr. (Sect. Auriculata.) Caucasus. Cult. Introd. 



1867, Peter Buck, St. Petersburg. 

 P. macrocalyx, Bunge = officinalis microform. 



P. megaseaefolia, Boiss. (Sect. Megaseaefolia.) Pontus. Cult. 

 Introd. 1896, Dammann according to Pax. Introd. to 

 Britain by Miss Willmot, 1901. 

 P. nivalis, Pallas. (Sect. Nivalis.) Caucasus to Baikal— to 

 Himalaya, China, Japan, Aleutian Islands. Cult. 1790. 

 Microforms : — 



P. Bayernii, Rupr. Caucasus. 



P. eximia, Greene. Aleutian Islands — to Japan. 



P. longipes, Freyn et Sintenis. Pontus. 



P. pumila, (Regel) Pax. Tschuktschiland. 



P. turkestanica, Regel. Turkestan. Cult. 



