Macbride — Notes on the Hydrophyllaceae 33 
d. Leaves all enti 
Fruiti ane sity hispid, the hairs in part subap- 
1 pcs aan gig CE eee rr an an er 1. P. leucophylla. 
Fruiting sg be ee gs setose-hispid —_ 
widely spreading hairs................ la. var. Suksdorfii. 
d. Leaves, vt ni 9 por igren attrieiiatepiunatiitd 1b. stot compacta. 
c. Leaves, at least s sta of t asal, pinnate or auricu- 
late-pinnate, 0 rarely wntiee but pubescence not 
at all appr peied: ceriocoud é. 
e. Calyx = aa patton = fruit; biennials or rather 
short-lived peren 
Bs Filaments distinctly ‘beantad: leaves very rarely 
ntire. 
jeackates ness a long virgate inflorescence; 
SOUR So ea eee 2. P. heterophylla. 
Racemes a virgately disposed ; usually short- 
pPerennyal 20506 FS 2a. var. griseophylla. 
if fica nearly ache togs leaves entire...... re P. dasyphylla. 
e. Calyx always more or less distinctly apacesent | 
fruit; mostly Sonsueals poakne = aliforn poe rt P. californica. 
b. Stamens barely exserted or rarely exceeding by 
the 1 (4-6 mm. long) corolla; filaments ‘aa 
Se i eS eee ies Ue a ee . P. magellanica. 
ro 
a. _— pare not - all rosulate; bristly hispid but green- 
ed plan 
g. bat leaves mostly pinnatifid; Mexican and South 
ican s 
Filaments den a ce LDORCHNE Se  s oi es 6.7. so 
Filaments glabrous or conti ee es ei ee 6a. var. robusta 
g. Basal pi mostly a N fess American species. 
Sepnls ovate-lancoolate.. 5 ok. ce kk enna P. nemoralis. 
Bopals linear or near lanebolate ret NE es Cea as 7a. var. seidebiiee 
1. P. tevcopuyLia Torr. in Fremont’s Rep. 93 (1845). P. 
‘magellanica (Lam.) Cov., f. lewcophylla et Brand, Pflanzen- 
reich iv. 251. 98 (1913); f. angustifolia rand, l.c. P. Burkei 
Rydb. Bull. Torr. Club xxxvi. 675 000), "P. leptosepala Rydb. 
l.c. 676. — Alberta to Colorado and Inyo County, California, 
north to British Columbia. — ALBERTA: Crow Nest Pass, Aug., 
1897, Macoun, no. 23777. Montana: Spanish Basin, Gallatin 
‘Co. , June 24, 1897, Rydberg & Bineg nos. 4852, 485 3. IpaHo 
Idaho Falls, ‘July 4 , 1901, Merrill & Wilcox, no. 779; also St. 
Anthony, no. 826; New Plymouth, June 4 1910, Maebride, no. 
186; also Boise-Payette Project, no. 877; Wiessner’ s Peak, July 
25, 1895, Leiberg, no. 1357; Snake country, Burke; King Hill, 
rad hy June 30, 1899, A. : 
July 13, 1901, Morrill & Wilcox, no. 985. CoLorapo: 1862, Hall 
