. 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. Gknus 36. MUSTARD FAMILY. 189 36. LEAVENWORTHIA Torn Ann. Lye. N. Y. 4: 87. 1837. Low winter-annual glabrous scapose herbs, with lyrate-pinnatifid basal leaves, and few or solitary terminal flowers. Petals wedge-shaped. Siliques flat, broadly linear or oblong, short-stipitate; valves dehiscent, nerveless, finely reticulate-veined. Seeds in i row in each cell of
. 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. Gknus 36. MUSTARD FAMILY. 189 36. LEAVENWORTHIA Torn Ann. Lye. N. Y. 4: 87. 1837. Low winter-annual glabrous scapose herbs, with lyrate-pinnatifid basal leaves, and few or solitary terminal flowers. Petals wedge-shaped. Siliques flat, broadly linear or oblong, short-stipitate; valves dehiscent, nerveless, finely reticulate-veined. Seeds in i row in each cell of the pod, flat, winged or margined; embryo straight, or nearly so, the redicle short, slightly bent toward the cotyledons. [In honor of Dr. M. C. Leavenworth, U. S. A.] A genus of about 4 species, natives of southeastern North America. Type species : Leaven- worthia aureu Torr. Pods not constricted between the seeds i. L. tiniflora. Pods constricted between the seeds. 2. L. torulosa. I. Leavenworthia uniflora (Michx.) Britton. Michaux's Leavenworthia. Fig. 2097. Cardamine uniflora Michx. Fl. Bor. Am. 2: 29. 1803. Leavenworthia Michauxii Torr. Ann. Lye. N. Y. 4: 89. 1837. L. uniflora Britton, Mem. Torr. Club 5: 171. 1894. Tufted, 2'-6' high. Basal leaves rosulate, numerous, l'-4' long, the segments 5-17, irregularly dentate or angled, 2"-3" long, the terminal one somewhat larger, all narrowed near the base, but slightly expanded at the junction with the rachis; stem-leaves none, or 1-3, similar, but smaller; flowers about 3" broad; petals white or purplish with a yellow base, about twice the length of the sepals; pods oblong or linear, 6"-ls" long, 2" wide when mature; style .^tout, about V long. In open dry places, southern Indiana to Missouri and Tennessee, west to Missouri. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustr
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
