Potentilla.] ROSACEA. 



191 



pilosa, subtus niveo-tomentosa, 1-3 pollices lon^. Stipitlm ovato-lanceolatae, acutje, integerrlmae, subtus 

 valde tomentosae. Flores erecti, pedicellati. Calyces villosi : pilis patentibus, foKolis calycinis acuminatis 

 apice sphacelato-mucronulatis, ezterioribus lineaii-lanceolatis, reliquis lanceokti's pauUo majoribus. Corolla 

 aurea, petalis obcordatis calyce longioribiis. Meceptaculum dense lanatum, pilis acheniis longioribiis. 



Hab. In the Prairies, as well as on dry banks, in the Rocky Mountains, between lat 32° and 56°. 



Drummond, 



14. P. rubricauliSy* [Lehm*); caule adscendente, foliis radicalibus pinnatis bijugis cauliiiis 

 ternatis, foliolis approximatis oblongis pinnatifido-serratis supra glabris subtus tomcntosis, 

 stipulis integerrimis, petalis obcordatis calycem subs upe ran tibus, receptaculo glabriusculo. 



Caules ex eadem radice plures, subpedales, adscendcntes, teretes, pubcsceutes, purj)urascunte8. Folia 

 radicalia impari-pinnata bijuga, caulina temata. Foliola oblouga, pinnatifido-serrata, lacinils lineari-lauceo- 

 latis obtnsis, supra laete viridia, glabra, subtus tonientosa, intima reliquis multo minora 3-4-Ioba, terminalo 

 maximum. Petioli pilosi, folionim radicalium 2-3 pollices longi. Stipules ex ovato-l:ui(^oolat.i% snbfaln.itie, 

 acutae, integerriime. Flores terminales, erecti, in paniculam subdichotomam dispositi. Pedicelli 1-2-polli- 

 cares, graciles, purpurei, pilosi. Calyces pilosi, foliolis ezterioribus sublinearibus obtusiusculis, interiorilnm 

 ovato-lanceolatis acutis, reliquis duplo majoribus. Petala obcordata, aurea, calycem subsuperantes. lleceptO' 

 culum glabriusculum : acheniis Isevibus. 



Hab. About Bear Lake, in lat. 66°. Dn Richardson. 



15. P. pulchella; caulibus procumbentibus subunifloris, foliis pinnatis subbijugis subtus 

 sericeo-tomentosis, foliolis bi-trilobis vel lineai'ibus integen-imis mai-gine revolutis inipari- 

 pinnatifido, stipulis vaginantibus, stylo basi glanduloso-dilatato. — Br, in Ross's Voy, ed, 

 2. p, 193. HooL in Parry's 2d Vop* App, p, 395. De Cand. Prodr, v, 2. p. 582. 



Caules ex eadem radice plures, procumbentes, teretes, purpiu*ei, lJ-3 pollices longi, basi glabri, versus 

 apicem densissime lanati. Folia radicalia impari-pinnata, subbijuga, foliola sessilia, margine revoluta, supra 

 viridia, pilosa, impresso-venosa, subtus sericeo-tomentosa, infirna minima, sublinearia, obtusa, integerrima, 

 reliqua 2-3 lineas longa, bi- vel tri-loba, imparl majore cuneato-obovato pinnatifido, laciniis oblongis vel 

 linearibus, obtusis. Folia caulina 1-2-juga, foliolis lineari-lanceolatis, integerrimis, interdum in folitun uni- 

 cum 3-3-lobum confluentibus. Stipulte ovatse, caulem et pedicellos amplectentes, ochream fere formahtes. 

 Flores 1-2 terminales brevissime pedicellati, parvi. Calyx subtomentosus : foliolis margiuatis, ezterioribus 

 lanceolatis obtusis, interioribus ovatis, acutis, reUquis longioribiis. Petala lutea olwvata, liEvissime emar- 

 ginata,venosa,longitudine calycis. %Zus erectus basi glanduloso-dilatatus. i?cccpfffcwfcm pubescenti-pilosum. 



Hab. Islands of the Arctic Sea. Capt. Ross, Capt. Sir E. Parry, Capt. Sabine. Shores of the main- 

 land between the Coppermine and Mackenzie Rivers. Dr. Ricliardson. 



* # * 



Foliis digitatis. 



16. P.argentea; caule adscendente, foliis quinatis, foliolis cuneiformibus supeme incisis 

 margine revolutis subtus candido-tomentosis, petalis retusis calyce longioribus. Lehm,— 

 Linn, Sp, PL p, 712. Pursh, Fl. Am. v. \. p. 355. NestL Monogr. Pot. p. 48. Lehm, 

 Monogr. Pot p. 94. Engl. Bot t 289. Bigel Fl. Bast ed. 2. p, 204. Torrey, Fl, of Un. 

 St. v.l. p. 49T. 



Hab. Canada. Pursh. 



decumbente filiformi, foliis infimis septcnatis quinatisque. 



lanceolato-cuneiformibus profunde serratis utrinque prolixe pilosis, petalis obcordatis 



