Part 1, 1907] GERANIACEAE 7 



Sepals hirsute; petioles and stem hirsute; 



petals 14-16 mm. long. 54. G. arislatum. 



Sepals sparingly eiliate ; petioles and stem with 

 scattered retrorse hairs; petals 11-13 mm. 

 long. 55. G. alb id ii in. 



Sepals finely soft-pubeseent on the back, the tips 

 much less than one half as long as the body ; 

 terminal teeth of the leaf-blades ovate. 

 Upper stem-leaves with triangular-hastate 



blades, pale beneath ; sepals long-ciliate. 56. G.Seemannii. 



Upper stem-leaves with pentagonal blades, 

 green beneath ; sepals not long-ciliate. 

 Petals rounded at the apex ; leaf-blades 



parted to below the middle. 57. G. geoides. 



Petals notched at the apex ; leaf-blades 

 parted to near the base. 58. G.clarum. 



Ultimate divisions of the leaf -blades divaricate ; petals 

 over 2 cm. long. 59. G.Lozani, 



Peduncles terminated by a single pedicel. 



Corolla white. 60. G.belliiiu. 



Corolla purple. 



Leaf-blades closely pubescent beneath, the segments linear. 

 Outer sepals 11-12 mm. long, gradually narrowed below 



the tip. 61. G. potentillaefolium. 



Outer sepals 7-9 mm. long, abruptly narrowed below 

 the tip. 

 Stems, petioles and peduncles appressed-pubescent ; 



sepals canescent. 62. G. Nelsonii. 



Stems, petioles and peduncles hirsute ; sepals 

 hirsute. 63. G. Schiedeanum. 



Leaf-blades sparingly hispidulous beneath ; the segments 

 ovate to elliptic. 

 Petioles and pedicels hirsute ; petals rounded. 45. G. Goldnianii . 



Petioles and pedicels strigillose ; petals deeply notched. 64. G. monanthum, 



1. Geranium sibiricum L. Sp. PI. 683. 1753. 

 Annual or biennial. Stems loosely spreading, 3-11 dm. long, sometimes creeping, vil- 

 lous-hirsute ; leaf-blades 2.5-8 cm. broad, 3-parted, the divisions loosely toothed or lobed, 

 or the lateral ones cleft ; petioles with retrorse-spreading hairs ; pedicels solitary, pubes- 

 cent like the petioles ; sepals 6-7 mm. long, minutely awn-tipped, the bodies elliptic ; petals 

 whitish with purple veins, slightly longer than the sepals; style-column 10-13 mm. long 

 at maturity; carpel-bodies 3-3.5 mm. long, puberulent and sparingly pubescent; seeds 

 minutely granular and obscurely reticulate. 



Type locality : Siberia. 



Distribution: New York, Illinois, and California. Naturalized from Asia. 



Illustrations : Cav. Diss. pi. 77; Britt. & Brown, 111. Fl./. 2241. 



2. Geranium molle L,. Sp. PI. 682. 1753. 

 Annual or biennial. Stems branched at the base, the branches spreading or decumbent, 

 1-5 dm. long, often forking, finely pubescent ; leaf-blades reniform to orbicular-reniform 

 in outline, 2-6 cm. broad, those of the lower leaves 6-9-cleft, those of the upper 3-5-cleft 

 or parted, the divisions toothed or lobed at the apex ; petioles pubescent like the branches; 

 pedicels in pairs, minutely but copiously glandular-pubescent ; sepals elliptic to ovate, 3-4 

 mm. long, awnless; petals deep-purple, obovate, truncate or emarginate at the apex, 

 somewhat longer than the sepals; stamens 10; style-column 8-9 mm. long at maturity, 

 short-beaked; carpel-bodies 2-2.5 mm. long, wrinkled; seeds smooth. 



Type locality : Europe. 



Distribution : Maine to Vancouver Island, North Carolina, and Ohio. Naturalized from 

 Europe. 



ILLUSTRATIONS : Curt. Fl. Lond. 1 ; pi. 120; Britt. & Brown, 111. Fl./. 224S. 



3. Geranium pusillum Burm. f. Sp. Geran. 27. 1759. 

 Annual or biennial. Stems branched at the base, the branches decumbent or prostrate, 

 1-5.5 dm. long, forking, puberulent; leaf-blades reniform in outline, 1.5-5 cm. broad, 5-7- 

 parted, the divisions toothed or lobed at the apex ; petioles puberulent and with few spread- 

 ing hairs ; pedicels in pairs, minutely glandular-pubescent, especially under the calyx ; 

 sepals elliptic to ovate-elliptic, 2.5—1 mm. long, awnless; petals violet, often pale, cuneate, 



