472 MINNESOTA BOTANICAL STUDIES. 
tapering into the persistent style; fruit in globose head. High 
altitudes, Guatemala. Also near Bogota, U. S. of Colombia. 
15. R. Bloomeri Wars. Bot. Calif. 2: 426. 1880. 
FP. Chilensis Hoox. & ARN. Bot. Beech. 134. 1841. 
Stem ascending, 1 to 2 feet long, sparsely hairy or becoming 
glabrous: radical leaves bright green, long-petioled, some ~ 
broadly cordate or ovate, coarsely dentate or incised, others 3- 
parted, some divided into 3 leaflets which are short-stalked and © 
the middle one often 3-lobed; stem leaves short petioled: petals 
yellow, 6 lines long, emarginate; sepals shorter: akenes gla- 
brous, 2 lines long, turgid; beak slender, subulate, persistent. 
San Francisco bay. 
16. R. hispidus Micnx. Fl. 1: 321. 1803. 
FR. Marilandicus Porr. in Lam. Encycl. 6: 126. 1804. 
FR. repens var. Marilandicus Torr. & Gray, Fl. 1: 21. 
TO20. 
di. pascacuiarés Brirron, Pl. N. J. 3. 188. 
Appressed-pubescent, when young densely villous: stems 
slender, ascending or spreading, % to 2 feet long: leaves pal- 
mately 3-parted, or pedately or pinnately 3-5-divided; the di- 
visions ovate, or variable, middle one often stalked, others 
usually sessile ; all often cuneate at base, sharply cleft or lobed: 
petals 5 or more, light yellow, 3 to 6 lines long; sepals half as 
long, spreading: akenes broadly oval, lenticular, margined, ab- 
ruptly tipped ; beak half their length, subulate, slightly curved ; 
head ovoid to globose. Earliest spring. Canada through 
Eastern and Middle States to Florida and Arkansas. 
17. R. bulbosus Linn. Sp. Pl. 554. 1753. 
fe.. specrosus Hort. ex Vitm. FI... Pl. Terre 1 edoigaae 
1865. 
Plant from a true bulb, erect, about 1 foot high, hairy: leaves 
petioled, 3-5-parted, the divisions sometimes stalked, segments 
lobed: flowers terminating the branches, bright yellow, large; 
petals large, obovate, shining above ; sepals much smaller, often 
reflexed: akenes compressed, with short beak, borne in a glo- 
bose head. Spring and summer. Persia, Europe, northern 
Africa. The double form is perhaps best suited for culture. 
18. R. Icelandicus n. sp. 
Caudex short, roots fibrous: plant pubescent throughout: no 
