. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. Genus 3, FUMEWORT 4. Capnoides aureum (Willd.) Kuntze. Golden Corydalis. Fig. 1992. Corydalis aurea Willd. Enum. 740. 1809. Capnoides aureum Kuntze, Rev. Gen. PI. 14. 1891. Glabrous, 6-14' high, diffuse, branching. Leaves all but the uppermost petioled, finely dissected into oblong obovate or cuneate seg- ments, mainly broader than those of related spe
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. Genus 3, FUMEWORT 4. Capnoides aureum (Willd.) Kuntze. Golden Corydalis. Fig. 1992. Corydalis aurea Willd. Enum. 740. 1809. Capnoides aureum Kuntze, Rev. Gen. PI. 14. 1891. Glabrous, 6-14' high, diffuse, branching. Leaves all but the uppermost petioled, finely dissected into oblong obovate or cuneate seg- ments, mainly broader than those of related species; flowers 6" long, bright yellow; spur one-half the length of the body of the corolla, or more, rounded; outer petals keeled, not crested; pedicels short, slender; pods spreading or pendulous, torulose, especially when dry; seeds obtuse-margined, shining, obscurely reticulated. In woods, Nova Scotia to Minnesota, Alaska, Penn- sylvania and Missouri, south in the Rocky Mountains to Arizona and California. March-May. 5. Capnoides montanum (Engelm.) Brit- ton. Mountain Corydalis. Fig. 1993. Corydalis montana Engelm.; A. Gray, Mem. Am. Acad. 4 : 6. 1849. Corydalis aurea var. occidentalis Engelm. ; A. Gray, Man. Ed. 5, 62. 1867. Capnoides aureum var. occidentale A. S. Hitchcock, Spring Fl. Manhattan, 17. 1894. Capnoides montanum Britton, Mem. Torr. Club 5: 166. 1894. Closely resembles C. aureum, but is lighter green and the leaves are rather more finely divided. Flower-clusters spicate-racemose, the pedicels usually very short; flowers bright yel- low, 6"-8" long; spur of the corolla as long as its body, or less; capsules spreading or some- what ascending; seeds sharp-margined, shining or obscurely reticulated. In dry soil. South Dakota to Kansas, Texas, Utah and Mexico. Perhaps a race of the preceding species. April-Aug. 6. Capnoides campestre Britton. Plains Corydalis. Fig. 1994. Capnoides campesire Britton, Man. Ed. 2, 1065. 1905. Similar to the two preceding s
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