Part 1, 1907] GERAXIACEAE 13 



petals purple, 14-22 mm. long; style-column 2-3 cm. long, finely pubescent; carpel- 

 bodies 4-4.5 mm. long, sparingly hirsute; seeds minutely pitted. 



Type locality : Virginia. 



Distribution : Newfoundland to Manitoba, Georgia, and Kansas. 



Illustrations: Bigel. Am. Med. Bot. 1 : pl.8; Barton, Mat. Med. pi. 13 ; A. Gray, Gen. 111. 

 pi. 150 ; Britt. & Brown, 111. Fl./. 2239. 



21. Geranium erianthum DC. Prodr. 1: 641. 1824. 



Geranium maculatum Hook. Fl. Bor. Am. 1 : 116. 1831. Not G. maculalum L,. 1753. 



Perennial, the caudex simple. Stem solitary, usually scape-like, appressed-pubesceut 

 with retrorse hairs ; leaf-blades 7-15 cm. wide, 5-7-parted, the divisions cleft into rather 

 numerous lobes, finely and rather closely pubescent beneath ; petioles of the lower leaves 

 elongate, pubescent like the stem ; pedicels retrorsely pubescent ; sepals awn-tipped, the 

 outer ones 10-13 mm. long, the bodies elliptic, densely hirsute, some of the hairs gland- 

 tipped ; petals rose-purple, 17-20 mm. long, slightly veined ; style-column 25-30 mm. long, 

 hirsute, partiallv glandular ; carpel-bodies 3.5-4 mm. long, copiously villous-pilose ; seeds 

 slightly reticulate. 



Type locality : Kamtschatka and northwestern America. 

 Distribution : Alaska ; also in northeastern Asia and Japan. 

 Illustration : Bot. Reg. 28 : pi. 52. 



28. Geranium pratense L. Sp. PI. 681. 1753. v 



Perennial, thecaudex simple. Stem solitary, 3-6.5 dm. long, finely retrorse-pubescent, 

 some of the hairs often gland-tipped ; leaf-blades pentagonal in outline, 4-12 cm. wide, 

 finely hirsute, 5-parted, the divisions sharply incised and toothed, the ultimate segments 

 narrowly lanceolate; pedicels glandular-hirsute; sepals awn-tipped, the outer ones 11-14 

 mm. long, the bodies elliptic to lanceolate, hirsute; petals purple, 14-21 mm. long; style- 

 column 17-19 mm. long, glandular-hirsute ; carpel-bodies 4-4.5 mm. long, minutely pubes- 

 cent ; seeds minutely reticulate. 



Type locality : Europe. 



Distribution : Massachusetts. Introduced from Europe. 



Illustrations : Curt. Fl. Eond. 1 : pi. 93 ; Engl. Bot. pi. 401 ; Baxter, Brit. Bot. pi. 30. 



29. Geranium viscosissimum F. & M. Ind. Sem. Hort. Petrop. 

 11 ; Suppl. 18. 1846. 

 Perennial, the caudex simple. Stems scape-like, 2.5-6 dm. long, the first internode 

 elongate, villous-hirsute with viscid glandular hairs ; leaf-blades pentagonal in outline, 

 4-11 cm. wide, more or less copiously hirsute, 3-5-parted, the divisions sharply and irregu- 

 larly incised; pedicels glandular-villous ; sepals awn-tipped, the outer ones 12-15 mm. 

 long, the bodies oblong to oblong-lanceolate, finely hirsute, ciliate ; petals pink-purple, 

 17-20 mm. long; style-column 25-35 mm. long, about 2 mm. thick, glandular-pubescent; 

 carpel-bodies 4.5-5 mm. long, glandular-pilose, hirsute, especially near the top ; seeds del- 

 icately reticulate. 



Type locality : Western North America. 



Distribution : South Dakota to British Columbia and Wyoming. 



30. Geranium strigosum Rydb. Bull. Torrey Club 29 : 243. 1902. 



Get iiuiuiii Richardsonii S. Wats. Bot. King's Expl. 49, in part. 1871. Not G. Richardsonii F. 

 & M. 



Perennial, the caudex mostly simple. Stems scape-like, pubescent with short retrorse 

 hairs ; leaf-blades 5-10 cm. wide, or rarely smaller, 3-5-parted, the divisions incised or 

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

 villous-hirsute with glandular hairs; sepals awn-tipped, the outer ones 9-11 mm. long, the 

 bodies oblong or nearly so, minutely pubescent and ciliate ; petals pinkish with strong, 

 darker veins, 15-16 mm. long ; style-column 25-30 mm. long, stoutish, glandular-hirsute ; 

 carpel-bodies 5-7 mm. long, glandular-pubescent ; seeds reticulate. 



Type locality: Copperton, Wyoming. 



Distribution : Saskatchewan to Washington, Colorado, and Nevada. 



