757 



GennM POTEVTII..LA Linnaeus. 



L, syst ed 1 (1735). A 1:31S d. 

 POTEXTILLA ACUMINATA Hall. 



F. AEOSIGEHS Greene. Er o. Colo. 



P. FIiATTENSXS 



Variety ? 



75* 

 Nutt. T& G 



PI 1:439. 

 Greene. 



P 3-1-. 

 P. SCOPUiOBTO Greene. 



1:8T 



P 



P 3--4S 



1:105 " 



on Ivesia 



P. BZ.ASCHKEAKA Turcz ex Lehm. B 



1:179 as gracilis. 



P. BOZ.Aivb2X P 1:103 based on Hor- 



very com; by its horizontal and pro- 

 and handso e-" 



-n 



r4 AKrnT-r.SA 

 GLAJv-DLLOSA 



POTENTILLA CALJFORNICA Greene. 

 (Or MO), distributed as Horkelia 



W sh to S 18 S. M 4:66. 



Wat Ha 87 

 l 



POTENTILLA CALLIDA Hall. 



Ha 86. A 1:71 fdr. 



P. CAPITATA P 1:104 based on Hor- 



arief >' n.onticola. A 1:318 



> 1-103 OwPrT vall^v 



nv-n Owens valley. 



ln>O CO. 



P. CLABXIANA K 7:93. Cur 1:136 as 

 probably Grayi. B 2:444 as 

 POTENTILLA CLEVELANDI Green*. 



Hanson's (Or 905); Laguna mt, SD Co. 

 (Cleveland). 



P 1: and Baja mts! 



(Horkelia Cleveland, Rydb. Torr cl b 

 -5:54.) 

 P. CONGSSTA Baillon, Hist 1:369. 



1:104. 



P. DAUCirOZiIA P 1:160. Klamath and 

 Shasta valleys. Cal. 



P. DECIFIENS P 1:106 b , sed on Ivesia 

 pymaea G. =nubigena Greene. 

 P. DEPA^FEBATA E. ex G 7:399. P 



B 1:1S4 as Ivesia depauperata. 

 P. DI33SCTA Pursh, Fl 1:355. Parry, 

 Wyo 14. B 1:179. 



P. DIV2:SSirOI.lA Lehm, Rev 72 t 31. 

 B 1:179 as clissecta. Wat, bot " ;:g -6. 

 P. DCUC?XiA:3H P 1:103 based on Hor- 

 kelia fusc-a. 

 P. EZiATA P 1:100. Jepson. Er 1:13. 



Type locality: shady banks ol the 

 upper Napa river, a little above Calls- 

 toga, Cal. 



P. PASTIGIATA Xutt. T & G Fl l:44f'. 

 B l:17!i as gracilis var: f. 

 P. PIS3A Xutt. B 1:178 as glandulosa. 

 Greene. Er 1:5. Mont. Id. 

 P. PX.ABEX>JPOI>IA Hook. T & G Fl 

 1:442. B 1:1SO as gelida. 

 P. PLABEL^IPOSMIS Lehm, Hook Fl 

 1:1!)2 r *>:. r 1:179 as gracilis var: f. 

 P. PBOHDO3A P 1:300. Martinez, Cal. 

 P. PE-TITICOSA L. sp pi 495. Parry, 



P. GSIiZ.T>A C A Meyer, Verz Pfl Cauc 



167. T?u. B 1:180 Cal. Wash. Asia. 



P. KAWSEKI P 3:20. 



P. laACTEA P 3:20. 



P. MZCAZEZTBBX Green*- 'a- 



malpais. 



P> 



Ha 



1:17 c, 



bot magf t 2984. 



(P. . Blaschkeana. 



Wat ^P 

 ^ at ' f 



X'ariety RI&IBA Wat <P Nuttallii 

 Lehm.) Ha 88. 



P. GBAY1 Wat 8:557. B 1:179. 2:444. 

 P. HO^v'BZ.I.H P 1:104. Ore. 

 P. KEXAOGG-n P 1:101 based on Hor- 

 kelia K (Greene. Cal ac b 2:416. 

 1887). 



P. grgTGH P 1:105 based on Ivesia K. 

 P. XiACTEA P 3:20 (P. glandulosa lactea 

 Greene. Fi F" ?>). Ha 88. 

 P. X.AXIFX.O&A Drew. 



St.- decumbent or ascending, slender, 

 a ft Ig:. loosely branching above; Ifts 

 10 or 12 rairs. 6" Isr. irregularly lobed 

 or cleft, the 2 or 3 divisions nar and 

 acute infl loosely cymose; ex campanu- 

 late, the triangular acute seg about 

 equalling tube, bracteoles slender, sni'er 

 than seg. the whole about 3" broad; pet 

 w, unguiculate, exceeding the ex; sta 

 10; fil w. petaloid-dilated, uneoual; car- 

 pels 2 or 3, nearly 2" Ig, light brown, 

 smooth and shining. Hy-Am-Pum Val- 

 ley. among young pines. Jl 25." Drew. 

 Torr cl b 16:151. Humboldt Co. Cal. 

 P. LEMMOHT P 1:104 based on Ivesia L. 

 P. Z;Z7DZiE7Z P 1:101 based on Horkelia 

 cuneata (Lindl bot reg 23 t 1997, 1837). 

 P. MIX.I.EGBAHA E. B 1:178 as rivalis 

 var: M. M 4:66. 

 P. MICKSITSIRI Greene. 



"Sts only 6 or 8' hi, tufted from a 

 strong tap'-rt: Ivs linear, 3or 4' Ig, 

 with about 15 pair of crowded but not 

 imbricated sm Ifts. these 5 to 7-parted 

 into ..big entire obtuse seg: younger 

 Ivs and r'ish sts somewhat villous; 

 cyme terminal, contracted, or even com- 

 pact when young: pet cuneate-obcordate. 

 exceeding the ex. w: sta 10, all with 

 cblg-petaloid w fil, the alt ones sni'er. 



