GERANIUM FAMILY 531 



Basal leaves 4-6 cm. broad; middle division broadly spatulate, 

 3-lobed; lobes notched; sepals over 1 cm. long. 



17. G. Cowenii. 

 Basal leaves 2-3 cm. broad; middle division cuneate, 3-toothed at 



the apex; sepals less than 1 cm. long. 18. G. marginale. 



Petals narrowly obovate or oblong, dark purple. 19. G. atropurpureum. 



1. G. molle L. Stem spreading or decumbent, branched, 1-5 dm. long, 

 finely pubescent; leaf-blades reniform or rounded-reniform, 2-6 cm. broad, the 

 lower 6-9-cleft, the upper 3-5-cleft or parted, the divisions toothed or lobed at 

 the apex; sepals elliptic or ovate, 3-4 mm. long; petals deep-purple, obovate, 

 truncate or emarginate; style-column short-beaked. Waste places and around 

 dwellings: Me. B.C. Calif. N.C.; nat. from Eu. My-Jl. 



2., G. pusillum Burm. Stem decumbent or prostrate, branched, 1-5.5 dm. 

 long, puberulent; leaf-blades reniform, 1.5-5 cm. broad, 5-7-parted, the divisions 

 toothed or lobed at the apex; sepals elliptic, 2.5-4 mm. long; petals violet, often 

 pale, cuneate, notched; style-column short-beaked. Waste places: Ont. B.C. 

 Utah Va.; nat. from Eu. Plain. My-Au. 



3. G. thermale Rydb. Stem branched at the base, with diffusely spreading 

 branches 1-1.5 dm. long, puberulent and finely pubescent; leaf-blades 1-2 cm. 

 broad, mainly 3-parted, the divisions more or less deeply lobed; sepals broadly 

 ovate or oval, about 0.5 mm. long; petals rose-purple, hardly as long as the 

 sepals; carpels villous-hirsute and puberulent. Around warm springs: Lo-Lo 

 Hot Springs, Mont. Submont. 



4. G. rotundifolium L. Stems decumbent, branched, 1-6 dm. long, softly 

 pubescent with gland-tipped hairs; leaf -blades rounded-reniform in outline, 

 1.5-4 cm. broad, cleft to about the middle; divisions 3-5-toothed at the apex; 

 sepals 4-5.5 mm. long, oblong or elliptic; tips minute; petals purple, longer than 

 the sepals; style-column 12-15 mm. long, minutely glandular; carpels glandular- 

 pubescent. Waste places: N.Y. Mich. Colo.; adv. from Eu. Plain Sub- 

 mont. Mr-S. 



5. G. carolinianum L. Stem branched above, more or less glandular- 

 pubescent; leaf-blades 3-6 cm. broad, reniform in outline; divisions cleft or 

 parted, with oblong or linear-oblong lobes; inflorescence congested; sepals ovate, 

 with long awn-tips; petals pink or whitish; style-column with spreading glandular 

 hairs; carpels pilose; seeds reticulate. Meadows and waste places: Xewf. 

 Alaska Calif. Fla.; Mex. and W. Ind. Plain Submont. Ap-Jl. 



6. G. Bicknellii Britton. Stem with ascending branches and loose spread- 

 ing hairs; leaf -blades pentagonal or the lower rounded, 2-7 cm. broad, the divi- 

 sion incised or cleft into oblong or lanceolate segments; petioles, peduncles, and 

 pedicels glandular-pubescent; sepals lanceolate or oblong-lanceolate; petals rose- 

 purple, about as long as the sepals; style-column glandular-hirsute; carpels 

 sparingly hirsute. G. carolinianum longipes S. Wats. G. longipes Goodding. 

 Meadows: N.S.N.Y. Utah Wash. B.C. Yukon. Plain Submont. My- 

 Au. 



7. G. Richardsonii Fisch. & Trautv. Stems erect. 4-9 dm. high, pubescent 

 with spreading hairs or glabrous; leaf -blades thin, pentagonal in outline, 3-5 

 parted, the divisions incised or toothed; pedicels glandular-pubescent; sepals 

 awn-tipped, 8.5-11.5 mm. long, elliptic, pubescent and sometimes glandular- 

 ciliate; petals white, 12-20 mm. long; style-column 19-23 mm. long. G. alhi- 

 florum Hook. G. gracilentum Greene. Mountain valleys: Sask. S.D. X.M. 



-Calif. B.C. Mont. Submont. My-Au. 



8. G. nervosum Rydb. Stems 4-8 dm. high, minutely retrorsely strigose, 

 in age more glabrate; leaf -blades reniform in outline, 8-12 cm. in diameter, 

 divided to near the base into 5-7 obovate-cuneate or oblanceolate-cuneate 

 2-3-cleft and coarsely toothed divisions; sepals oval, 8-9 mm. long, awn-tipped; 

 petals broadly obovate, 15-18 mm. long, pale violet or almost white, with dark 

 purple streaks; column nearly 2 cm. long. Mountains: Wyo. Colo.- 

 Mont. Submont. Jl. 



