SYNOPSIS OF THE FLORA OF COLORADO. 5 



DELPHINIUM SCOPULORUM, Or. PL WHgJit. 2, p. 9. Puberulent or 

 glabrous ; stein leafy, simple, l-2 high ; petioles dilated at base ; 

 leaves orbicular iu outline, 3-5 parted, divisions deeply 2-3-cleft, seg- 

 ments uiauy-lobed or laciniate ; raceme strict ; many-flowered ; flowers 

 smoothish ; spur longer than the sepals ; lower petals bifid, sparingly 

 bearded within; claw spurred at base; carpels 3, erect, nearly glabrous. 

 Wet Mountain Valley, Brandegee. Hall & Harbour, 26. 



YAK! Stems 2-5 high, stout, panicled; racemes slender, elongated; 

 flowers scattered, small ; spur straight, ascending. Ute Pass, Porter. 

 Wet Mountain Valley, Brandegee. 



DELPHINIUM AZUREUM, Michx. Canon City, June 26, Brandegee. 



DELPHINIUM MENZIESII, DC. More or less pubescent; stems stout, 

 l-2 high, leaves orbicular in outline, 5-7 parted, divisions 2-3 

 cleft; bracts mostly entire, lower ones 3-cleft; raceme simple, few to 

 many-flowered; spur usually curved, longer than the sepals, ascending; 

 capsules glabrous; root grumous. Closely resembles the eastern D. tri- 

 corne. Hall & Harbour, 28. In the foot-hills west of Denver, Coulter. 



ACONITUM NASUTUM, Fisch. Petals erect, with the spur arcuate; 

 galea conical, prone; spur descending; raceme somewhat panicled ; divis- 

 ions of the leaves rather broad, coarsely laciniate-toothed. Stem 

 stout, 3-6 high, pubescent above ; flowers purple or white. Hall & 

 Harbour, 29; Parry. Weston's Pass, July 18, at 11,000 feet altitude, 

 Coulter. 



ACT JEA SPICATA, L., var. ARGUTA, Torr. (A. arguta, Nutt. Fl. N. Am., 

 p. 35.) Stouter than A. spicata, var. rubra of Gray's Manual ; leaflets 

 larger and more serrated; petals oblong, obtuse; otherwise nearly the 

 same. Mountains near Denver, Dr. Smith. Oak Creek, Fremont County, 

 Brandegee. St. Vrain Canon, Coulter. 



BERBERIDACEvE. 



BERBERIS AquiFOLtriM, Pursh. Leaflets 1-6 pairs, not approxi- 

 mated to the base of the petiole, coriaceous, ovate-lanceolate or ellipti- 

 cal oblong, oblique and slightly cordate at base, margin repand with 

 thorny or spinulose cuspidate teeth ; racemes short, nearly erect, clus- 

 tered; filaments 2-toothed; berries dark purple. An uuder-shrub 2-5 

 high, branching, the branches often procumbent. Leaflets li'-3' long, 

 obscurely reticulated on both sides, the veins all rising from the 

 midrib. Hall d' Harbour, 30. Head-waters of the Arkansas, Porter. 

 Kear Long's Peak, Coulter. 



NYMPHLEACEJE. 



XUPHAR POLYSEPALUM, Eng. Proc. Saint Louis Acad., April 17, 1865, 

 p. 282. Leaves broadly ovate, deeply cordate, with a narrow sinus; 

 sepals 9-12, concave, the middle ones very large ; petals 12-18, spatulate, 

 retuse; stamens very numerous; anthers truncate, appendiculate at the 

 apex, equaling or shorter than the at-length recurved filaments; stig- 

 matic rays of the striate, urceolate ovary 13-21, almost reaching the 

 crenate margin of the umbilicate disk, neither constricted nor beaked 

 toward the apex. Leaves longer in proportion to their breadth than 

 those of JV. adrena ; sinus narrower and more closed; flowers very large ; 

 outer sepals greenish and yellowish, inner ones more or less tinged with 

 red. Mountain-lakes around Long's Peak, Parry. Cold Lake in the 

 Sierra Madre Range, at 10.000 feet altitude, Coulter. 



