8 NORTH AMERICAN FLORA [Volume 25 



longer than the sepals, notched ; stamens 5 ; style-column 8-9 mm. long at maturity, short- 

 beaked ; carpel-bodies about 2 mm. long, finely pubescent; seeds smooth. 



Type locality : England and France. 



Distribution: Ontario to British Columbia, New England, New Jersey, Virginia, Nebraska, 

 and Utah ; Bermuda. Naturalized from Europe. 



Illustrations: Curt. Fl. Lond 1 : pi. 76 ; Fl. Dan. pi. 1994 ; Britt. & Brown, 111. VI. /. 2247. 



4. Geranium thermale Rydb. Mem. N. Y. Bot. Gard. 1 : 478. 1900. 



Annual (?) or biennial, or sometimes perennial. Stems branched at the base, the 

 branches diffusely spreading, 1-1.4 dm. long, puberulent and finely pubescent; leaf-blades 

 1-2 cm. broad, mainly 3-parted, the divisions more or less deeply lobed ; petioles with 

 minute spreading hairs ; pedicels in pairs, pubescent like the petioles ; sepals awn-tipped, 

 the bodies broadly ovate or oval, 4-5 mm. long, the awn-tip about 0.5 mm. long; petals 

 rose-purple, hardly as long as the sepals ; style-column 5-7 mm. long at maturity ; carpel- 

 bodies about 2 mm. long, villous-hirsute and puberulent; seeds reticulate. 

 Type locality : Lo-Lo Hot Springs, Montana. 

 Distribution: Known only from the type locality. 



5. Geranium rotundifolium L. Sp. PI. 683. 1753. 



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

 bent, 1-6 cm. long, softly pubescent with gland-tipped hairs; leaf-blades reniform to 

 orbicular-reniform in outline, 1.5^1 dm. broad, cleft to about the middle, the divisions 3-5- 

 toothed at the apex ; petioles and pedicels pubescent like the branches ; sepals awn-tipped, 

 the outer ones 4-5.5 mm. long, the bodies oblong or elliptic, the subulate tip minute; 

 petals purple, longer than the sepals ; style-column 12-15 mm. long, minutely glandular- 

 pubescent ; carpel-bodies 2.5-3 mm. long, glandular-pubescent; seeds pitted. 



Type locality: Europe. 



Distribution: New York and Michigan. Adventive from Europe. 



Illustrations: Curt. Fl. Loud. 5: pi. 216; Britt. & Brown, 111. Fl./. 2243. 



6. Geranium dissectum L. Cent. PI. 1 : 21. 1755. 



Annual or biennial. Stems often branched at the base, the branches ascending or 

 spreading, 2-7 dm. long, retrorsely pubescent ; leaf-blades reniform in outline, or those on 

 the upper part of the stem more angular, 2-4 cm. broad, the main divisions parted into 

 linear segments ; petioles and pedicels finely hirsute, the hairs of the pedicels gland-tipped ; 

 sepals awn-tipped, the outer ones 6-9 mm. long, the bodies ovate or oblong-ovate, glan- 

 dular-ciliate ; petals purple, about as long as the sepals ; style-column 10-15 mm. long, 

 glandular-pubescent ; carpel-bodies 2-2.5 mm. long, glandular-pubescent ; seeds pitted. 



Type locality: Southern Europe. 



Distribution: Locally established about the large cities of the United States and Canada. 

 Naturalized from Europe. 



Illustrations: Fl. Dan. pi. 936; Curt. Fl. Lond. 1 : pi. 41; Britt. & Brown, 111. Fl./. 2246. 



7. Geranium texanum (Trel.) Heller, Bull. Torrey 

 Club 25 : 198. 1898. 

 Geranium carolinianum texanum Trel. Mem. Bost. Soc. Nat. Hist. 4: 76. 1888. 



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

 1-3 dm. long, pubescent with appressed-retrorse hairs; leaf-blades reniform or orbicular- 

 reniform in outline, 2-3.5 cm. wide, the main divisions toothed or incised, the segments 

 mainly oblong; petioles like the pedicels retrorsely pubescent; sepals awn-tipped, the 

 outer ones 5-5.5 mm. long, the bodies orbicular-ovate or suborbicular, pubescent with 

 very short hairs ; petals pale-purple, slightly longer than the sepals ; style-column 10-12 

 mm. long, appressed-pubescent ; carpel-bodies 2.5-3 mm. long, sparingly pilose; seeds 

 pitted. 



Type locality : New Braunfels, Texas. 



Distribution : Southern Texas. 



8. Geranium Langloisii Greene, Pittonia 3 : 171. 1897. 

 Resembling G. carolinianum in floral and fruit characters, and G. dissectum in habit, 

 but stouter. Leaves with quite finely divided blades, the ultimate segments linear ; inflor- 



