12 NORTH AMERICAN FLORA [VOLUME 25 



wide, deep-green above, slightly paler beneath, finely pubescent on both sides, deeply 5- 

 parted, the divisions conspicuously radiating, cuneate in outline, incised or coarsely toothed, 

 the segments or teeth linear or nearly so ; petioles rather closely retrorse-pubescent, mostly 

 longer than the blades ; pedicels finely glandular-pubescent ; sepals awn-tipped, the outer 

 ones 4.5-5 mm. long, the bodies oblong or ovate-oblong, finely pubescent, the tip about 

 0.5 mm. long; petals strongly veined, about twice as long as the sepals, notched ; mature 

 fruit not seen. 



Type collected on the Sierra de Pachuca, Hidalgo, Mexico, July 21 and 22, 1901,/. JV. Rose <Sf 

 R. Hay 5620. 



Distribution: Hidalgo. 



23. Geranium vulcanicola Small, sp. nov. 



Perennial, the caudex usually branched. Stems spreading or decumbent, 2-\ dm. long, 

 finelv pubescent with rather lax or somewhat appressed retrorse hairs ; leaf-blades pen- 

 tagonal-reniform in outline, 2-4 cm. wide, 3-5-parted, the divisions incised and toothed, 

 sparingly hirsute or somewhat appressed-pubescent on both sides ; petioles more copiously 

 pubescent than the stem ; pedicels pubescent with spreading glandular hairs ; sepals 

 minutely awn-tipped, the outer ones 5.5-6.5 mm. long, the bodies oblong-ovate, pubescent 

 with spreading glandular hairs ; petals white, veinless, slightly longer than the sepals ; 

 style-column 11-12 mm. long, abruptly short-beaked, pubescent with spreading glandular 

 hairs; carpel-bodies about 3 mm. long, nearly glabrous ; seeds nearly 2 mm. long, smooth. 



Type collected on Ixtaccihuatl, Mexico, October, 1905, C. A. Pit rp us 1691. 

 Distribution : Middle Mexico. 



24. Geranium Hernandesii Moc. & Sesse; DC. Prodr. 1 : 640. 1824. 



Perennial, the caudex more or less branched. Stems solitary or several together, not 

 scape-like, 2-7 dm. long, spreading, finely hirsute; leaf-blades thin, mostly triangular in 

 outline and more or less hastate, 2.5-7 cm. wide, somewhat hirsute, 3-parted, the divisions 

 coarsely toothed or incised, slightly acuminate ; pedicels hirsute; sepals awn-tipped, the 

 outer ones 9-10 mm. long, the bodies elliptic or ovate-elliptic, hirsute and ciliate, the tips 

 slender ; petals rose-purple, 12-14 mm. long ; style-column 20-30 mm. long, hirsute ; 

 carpel-bodies 3.5^1 mm. long, sparingly pilose. 



Type locality : Mexico. 



Distribution : Mexico. 



Illustration : Moc. & Sesse, Calq. Dess. pi. 147. 



25. Geranium resimum Small, sp. nov. 



Perennial, the caudex branched. Stems 3-7 dm. long, erect or somewhat decumbent 

 at the base, scape-like, rather coarseh- hirsute ; leaf-blades various, those of the basal leaves 

 pentagonal in outline, 3-6 cm. wide, those of the upper stem-leaves hastate in outline, 3- 

 parted, finely hirsute, the divisions with ovate abruptly pointed teeth, the lateral divisions 

 recurved; pedicels copiously glandular-pubescent; sepals awn-tipped, the outer ones 9-11 

 mm. long, the bodies oblong or nearly so, hirsute and fineh' glandular-pubescent, the tip 

 short ; petals pale rose-purple, 15-21 mm. long ; style-column glandular-hirsute ; carpel- 

 bodies not seen. 



Tvpe collected between Santa Gertrudis and Santa Teresa, Tepic, Mexico, August 8, 1897,/. 

 N. Rose 2070. 



Distribution : Western Mexico. 



26. Geranium maculatum L,. Sp. PL 681. 1753. 

 Perennial, the caudex mostly simple. Stem solitary, scape-like, erect, 2-5 dm. long, 

 retrorsely pubescent ; leaf-blades mostly pentagonal in outline, 8-15 cm. wide, or rarely 

 smaller, 3-5-parted, the divisions incised, lobed or toothed, more or less strigillose ; 

 petioles of the basal leaves elongate, pubescent like the stem ; pedicels pubescent with 

 retorse or retrorse-spreading hairs ; sepals awn-tipped, the outer ones 9-11.5 mm. long, the 

 bodies oblong, oblong-lanceolate or elliptic-lanceolate, sparingly pubescent and long-ciliate ; 



