RANUNCULAOE/E. (CROWFOOT FAMILY. J 11 



* Not glandular pubescent. 



1. D. azureum, Miehx. Stem slender, branching, often slightly pubes- 

 cent : leaves deeply 3 to 5-parted, the divisions 2 to 3 times cleft, the lobes all 

 narrowly linear: flowers sky-blue or whitish, in a strict not dense raceme: spur 

 ascending, usually curved upwards. — Colorado, Wyoming, and eastward 

 across the plains. 



2. D. Meiiziesii, DC. Glabrous below, at least at the very base, pubes- 

 cent above with spreading hairs, especially the inflorescence : leaves 5-parted, 

 divisions 2 to 3-cleft : flowers large, deep-blue, in a loosely few- to many-flowered 

 simple raceme: upper petals veined with purple : spur long and slender : ovaries 

 somewhat tomentose. — Wyoming, Montana, and northwestward. 



3. D. bicolor, Nutt. Very similar, but the whole plant glabrous through- 

 out, including the ovaries, or occasionally somewhat tomentose-pubescent ; and 

 the flowers are uniformly smaller. — The D. Menziesii of Fl. Colorado and 

 D. Menziesii, var. Utahense, of Bot. King's Rep. 12. Foothills of Colorado 

 and northward. Closely resembles the eastern D. tricorne. 



4. D. SCOpulorum, Gray. Pubescent with a fine hoary tomentum or 

 glabrous: stem leafy : leaves orbicular in outline, 3 to 5-parted, the divisions 

 deeply 2 to 3-cleft, the segments many-lobed or laciniate : flowers sparingly pilose 

 without, in a many-flowered strict raceme : spur longer than the sepals : pods 

 pubescent, on stout pedicels. — PI. Wright, ii. 9. Rocky Mountains from 

 New Mexico to British America. 



* * Glandular pubescent. 



5. D. Occident ale, Watson. Known by the stiff glandular spreading 

 pubescence, which extends rarely to the ovaries and fruit : flowers numerous, 

 dull or dark blue, very variable in size, often in compound racemes : seed9 

 light colored and somewhat spongy. — D. elatum,va,Y.(1) occidentale, Watson. 

 Alpine or subalpine, from Colorado to Oregon. 



10. ACONITU M, L. Aconite. Monkshood. Wolfsbane. 



Sepals 5, petal-like. Petals 2 to 5 ; the upper 2 with long claws and irregu- 

 lar spur-like blades concealed within the hood ; the lower 3 very minute or 

 obsolete. Pods many-seeded. — Herbs with palmately lobed leaves. 



1. A. Columbianum, Nutt. Stem stout, 3 to 6 feet high : more or less 

 pubescent above with short spreading yellowish viscid hairs : divisions of the 

 leaves broadly cuneate and laciniately toothed or lobed : flowers purple or 

 white in a loose terminal raceme : the hood varying much in breadth and in 

 length of beak. — Torr. & Gray, Fl. i. 34. A. nasutum, Hook. A. Fischeri 

 of Bot. Calif, i. 12. Colorado, Wyoming, and westward to the Sierra 

 Nevada. 



11. ACTJEA, L. Baneberry. 



Sepals 4 to 6, petal-like. Petals 4 to 10. Stigma sessile, 2-lobed. Berr) 

 with many seeds, which are packed horizontally in 2 rows. — Perennial herbs 

 with 2 to 3 ternately compound leaves. 



1. A. spicata, L., var. arguta, Torr. Smooth, 1 to 2 feet high : leaflets 

 larger and more serrated than in the next : petals oblong, obtuse : berries 



