Revisio PotentUlarum. 



37 



P. Keilhatii Sommerf. Bidrag til Spitzbergens Flora in Magaz. for Naturviden- 

 skaberne II, pag. 244. Lindb. in Regensb. bot. Zeitg. IS42, II, p. 485. 

 P. sericea Grev. in Mem. soc. Wem. III, pag. 430 (non L.). 



Icon. Lehmann Monogr. Suppl. I, tab. 7, fig. 1. Fl. Dan. XIII, 

 tab. 2234. 



Hab. in regione arclica (Capt. Ross, Parry, Sabine, Dr. Richardson, Dr. 

 J. Vahl, Keilhau.). 4 (v. s.) 

 Die Bemerkung, welche Torrey et Gray 1. c. machen: „The style, 

 which is Said to be basi glanduloso-dilatata^ has the same slructure 

 with numerous species" kann auch ich bestätigen. 



31. Potentilla üommerfeUii. 



P. caespitosa, caulibus brevissimis ereclis unifloris peliolisque villosis; 

 folüs villosis sublus albo-lomentosis, infimis subbijugis intermixlis fo- 

 liis ternatis; foliolis infimis minoribus profunde trilobis, sequeniibus 

 grosse quinquelobis, terminali majore peliolulato; segmentis omnium 

 oblongis obtusiusculis : stipulis late ovalis obtusiusculis; sepalis oblon- 

 gis obtusis, externis multo brevioribus obtusioribusque^ petalis obo- 

 vato-cuneiformibus integris calycem superantibus. 



P. Sommerfeltii Lehm. Nov. et minus cognitar. stirp. Pugill. IX, pag. 4. 

 Icon. tab. 10, Gg. 2. 

 Hab. in terris borealibus (Dr. J. Vahl, Capt. Holböli). 4 (v. s.) 



38. Potentilla verticillaris. 



P. caulibus adscendentibus paucifloris pilosis vix longiludine foliorum ra- 

 dicaliura; foliis molliter pubescentibus viridibus subtus albo-lomento- 

 sis; foliolis infimis minoribus binis, sequeniibus 2 — 3 subquaternis co- 

 slam primariam verlicillalim cingentibus, terminali triseclo segmentis 

 linearibus obtusis; stipulis ovato-lanceolatis obtusis integris; sepalis 

 externis obtusiusculis linearibus, reliquis ovato-oblongis; petalis obo- 

 vato-subrotundis emarginatis caiyce duplo longioribus. 



