14 NORTH AMERICAN FLORA [VOLUME 25 



31. Geranium incisum Nutt. (T. & G. Fl. N. Am. 1 : 206, as synonym. 

 1838) ; Trel. Mem. Bost. Soc. Nat. Hist. 4 : 74. 1888. 



Geranium albiflorum incisum T. & G. Fl. N. Am. 1 : 206. 1838. 

 Geranium Hookerianum incisum Walp. Rep. 1: 450. 1842. 

 Geranium oreganum Howell, Fl. NW. Am. 1 : 106. 1897. 



Perennial, the cauclex simple. Stems scape-like, 3-9 dm. long, almost glabrous or 

 finely hirsute, usually sparingly so ; leaf-blades pentagonal in outline, 6-14 cm. wide, 

 short-strigose on both sides, 5-parted, the divisions cleft and coarsely toothed, the ultimate 

 segments ovate or ovate-lanceolate ; pedicels glandular-hirsute ; sepals awn-tipped, the 

 outer ones 11-12 mm. long, the bodies lanceolate to elliptic-lanceolate, short-hirsute ; petals 

 purple, 15-23 mm. long ; st3'le-column 14-16 mm. long, glandular-hirsute ; carpel-bodies 

 about 5 mm. long, sparingly pubescent ; seeds minutely reticulate. 



Type locality : Valleys of the Rocky Mountains. 



Distribution : British Columbia to Montana and northern California. 



32. Geranium canum Rydberg. 



Geranium incisum Howell, Fl. NW. Am. 106. 1S97. Not G. incisum Nutt. 188S. 



Perennial, the caudex usually simple. Stems scape-like, 3-7 dm. long, the first inter- 

 node much elongate, densely pubescent with loosely spreading or retrorse-spreading 

 hairs- leaf-blades thickish, 6-12 cm. wide, densely hoary, more or less distinctly suborbic- 

 ular in outline, 3-5-parted, the divisions rather sharply and irregularly incised ; pedicels 

 glandular-hirsute ; sepals awn-tipped, the outer ones 13-15 mm. long, the bodies lanceolate 

 or nearly so, glandular-ciliate ; petals purple, 13-1S mm. long; style-column 30-40 mm. 

 long, about 2 mm. thick, glandular-pubescent ; carpel-bodies 5 mm. long, minutely pubes- 

 cent and a little glandular near the top ; seeds closely reticulate. 



Type locality : Willamette Valley, Oregon. 

 Distribution : Washington. Oregon, and Wyoming. 



33. Geranium trolliifolium Small, sp. nov. 

 Perennial, the caudex simple. Stems erect, about 2 dm. long, hirsute, sparingly 

 branched above ; leaf-blades thick, reniform-pentagonal in outline, 3-6 cm. wide, minutely 

 pubescent above, rather copiously hirsute beneath, mostly 5-parted, the divisions lobed or 

 incised, the teeth acute ; pedicels densely pubescent with short hairs and longer glandular 

 hairs; sepals markedly awn-tipped, the outer ones 10-12 mm. long, the bodies elliptic, 

 abruptly narrowed into the tip; petals purple, 17-20 mm. long, rounded at the apex; style- 

 column glandular-pubescent ; fruit not seen. 



Trpe collected in the Sierra Madre, near Colonia Garcia, Chihuahua, Mexico, June 16, 1899, 

 C. H. T. Tou'useiid & C. .1/. Barber 34. 



Distribution : Chihuahua and Durango. 



34. Geranium Parryi (Engelm.) Heller, Cat. N. 

 Am. PL ed. 2. 7. 1900. 

 Geranium Fremoniii Parryi Engelm. Am. Jour. Sci. II. 33: 405. 1862. 



Perennial, the caudex branched. Stems tufted, scape-like, 2-6 dm. long, glandular- 

 villous ; leaf-blades thickish, pentagonal, 2.5-6 cm. broad, canescent-strigillose, more or 

 less glandular, 3-5-parted, the divisions incised or lobed ; pedicels glandular-hirsute ; 

 sepals awn-tipped, the outer ones 8.5-9.5 mm. long, the bodies elliptic to ovate, glandular- 

 ciliate ; petals pink-purple, 12-15 mm. long; style-column 18-23 .mm. long, pubescent like 

 the pedicels; carpel-bodies 3.5-4 mm. long, glandular-hirsute; seeds reticulate. 



Type locality : Rocky Mountains. 

 Distribution : Wyoming, Colorado, and Arizona. 



35. Geranium Pattersonii Rydb. Bull. Torrey Club 29: 242. 1902. 

 Perennial, the caudex branched. Stems tufted, scape-like, 2-4 dm. long, the first inter- 

 node hirsute-pilose with glandular hairs, the upper ones more or less glandular ; leaf- 

 blades thickish, pentagonal, 2-6 cm. broad, canescent with more or less glandular hairs, 



