TO 



Chr. Lehmann, 



P. pulcherrima Lehm. Novar. et minus cognit. stirp. Pngiü. II, pag. 11, et in 



Hook. Fi. Boreal. Americ. I, pag. 190, No. 13. 

 P. penst/kanica ö pidcherrima Torr, et Gray FL of North-Americ. I, pag. 438. 

 Icon. tab. 28. 



Hab. in America septentr. — In the prairies as well as on the banks, 

 in the Rocky Mountains, between lat. 52" and 56" (Dnimmond), 

 Saskatchawan and to the sources of the Platte (Dr. James). 4 (v. v.) 

 Vergleiche die Anmerkung zu P, pensijlmnica, 



95. Potentilla argyroloma. 



P. caulibus adscendentibus paucifloris petiolisque patenter pilosiusculis; 

 foliis infimis subtrijugis adpresse hirsutis margine argyreo-sericeis ; fo- 

 liolis subaequalibus oblongo- cuneatis profunde obtuseque inciso-ser- 

 ralis, inferioribus 4 verticillatim disposilis (2 inPimis sessilibus, sequen- 

 tibus longe peliolulatis) terminalibus 3 a reliquis valde distanlibus ses- 

 silibus; stipulis caulinis oblongo -elliplicis acutiusculis inlegerrimis; 

 sepalis ellipticis, externis paullo brevioribus obtusis, reliquis aculis; 

 pelalis obcordalis calyce fere duplo longioribus. 

 P. argyroloma Boiss. Diagn. plant. OrientaL novar. No. X, pag. 0. Rotschy 

 Plant. Pers. Boreal. ed. Hohenacker, No. 346. Lehm, in Add. ad Ind. 

 sem. horf. bot. Hambg. 1849 collect. No. 9. 

 Icon. tab. 26. 



Hab. in Persia boreal. in jugo Naserou montis Demavend, altit. 7500 

 ped. (Kolschy). 4 (v. s.) 



3fO. Potentilla nuda. 



P. humilis, glabriuscula ; caulibus brevibus humifusis plurifloris: foliis in- 

 ümis bijugis: foliolis inaequalibus inferioribus 4 verlicillalim dispositis 

 cuneiformibus (infimis 2 mininiis sessilibus 2 — 5 parlilis, sequenlibus 

 peliolulatis profunde pinnatifidis) terminali a reliquis dislanle obovalo 

 elongalo subpinnato: segmentis omnium inaequalibus oblongo-spalhu- 



