Part 1, 1907] GERANIACEAE 19 



minutely pubescent above, more pubescent and pale beneath, long-petioled, 3-lobed, the 

 divisions coarsely toothed ; pedicels closely pubescent with retrorse rather appressed gland- 

 less hairs and spreading gland-tipped hairs; sepals awn-tipped, the outer ones 7.5-S.5 mm. 

 long, the bodies elliptic-ovate, sparingly long-ciliate and minutely pubescent on the back ; 

 petals white, 17-19 mm. long, emarginate at the apex; style-column 18-21 mm. long, 

 sparingly glandular-pubescent ; carpel-bodies 4 mm. long, sparingly hirsute. 



Type collected at San Ram6n. Duran&ro, Mexico, April 21 to May IS, 1906, B. Palmer 192. 

 Distribution : Known only from the tvpe locality. 



54. Geranium aristatum Small, sp. nov. 



Perennial, the caudex branched. Stems diffuse, several dm. long, hirsute, the branches 

 with rather long internodes ; leaf-blades reniform-pentagonal in outline, 4-8 cm. wide, 

 hirsute on both sides, pale-green beneath, 3-5-parted, the divisions coarsely toothed or 

 cleft, the terminal teeth lanceolate ; pedicels hirsute; sepals awn-tipped, the outer ones 13-14 

 mm. long, the bodies ovate-oblong, hirsute; petals white, 14-16 mm. long, nearly rounded 

 at the apex; style-column about 15 mm. long, finely hirsute ; carpel-bodies 5-6 mm. long, 

 hirsute. 



Tvpe collected near Santa Fe, Mexico, August 22, 1903,/. .V. Rose & J. H. Painter 6496. 

 Distribution : Middle Mexico. 



55. Geranium albidum Rydberg, sp. nov. 



Perennial. Stems ascending or spreading, 4-7 dm. long, branched, with scattered, 

 usually very few retrorse hairs; leaf-blades pentagonal in outline, 5-7 cm. wide, hirsute 

 on both sides, pale beneath, 3-5-parted, the divisions incised and coarsely toothed, the 

 terminal teeth lanceolate; pedicels hirsute; sepals awn-tipped, the outer ones 7-8 mm. 

 long, the bodies lanceolate, sparingly ciliate ; petals white, 11-13 mm. long ; fruit not 

 seen. 



Tvpe collected near Colonia Garcia, in the Sierra Madre, Chihuahua, Mexico, July 29, 1899, 

 C. H. T. Townsend& C. M. Barber 181. 



Distribution : Chihuahua. 



56. Geranium Seemannii Peyr. Linnaea 30 : 66. 1859. 

 Perennial, the caudex branched. Stems ascending or spreading, 3-6 dm. long, or more, 

 branched, retrorse-hirsute ; leaf-blades triangular-hastate in outline, or those on the lower 

 part of the stem somewhat pentagonal, 2-6 cm. wide, long-petioled, short-hirsute on both 

 sides, 3-parted, thedivisions cleft and coarsely toothed; pedicels copiously retrorse-hirsute ; 

 sepals awn-tipped, the outer ones 7-8 mm. long, the bodies oblong or nearly so, copiously 

 long-ciliate, and more or less hirsute on the back; petals white, 11-13 mm. long, notched 

 at the apex ; fruit not seen. 



Type locality : Toluca, Mexico. 

 Distribution : Middle Mexico. 



57. Geranium geoides Small, sp. nov. 



Perennial, the caudex branched. Stems several together, 4 dm. long or more, hirsute 

 below, and more or less canescent above, the first internodenot longer than the succeeding 

 ones ; leaf-blades orbicular-reniform to pentagonal in outline, 2.5-6 cm. wide, 3-5-parted, 

 the divisions incised or toothed especially near the apex ; pedicels retrorsely pubescent ; 

 sepals awn-tipped, the outer ones 9-12 mm. long, the bodies oblong to oblong-lanceolate, 

 finely pubescent and ciliate; petals white, 15-18 mm. long; style-column 20-25 mm. long, 

 minutely pubescent; carpel-bodies 4-4.5 mm. long, hispidulous ; seeds reticulate. 



Tvpe collected in the Sierra Madre, Chihuahua, Mexico, September 17, 1887, C. G. Pringle 

 1203. S 



Distribution ; Chihuahua. 



58. Geranium clarum Small, sp. nov. 



Perennial, the caudex branched. Stems diffusely spreading or procumbent, finely 

 retrorse-pubescent throughout, widely branched ; leaf-blades pentagonal in outline, 2-4 

 cm. wide, sparingly pubescent on both sides, bright-green and somewhat lustrous above, 



