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 102nd meridian; 2nd ed. . ; valves smooth,mostly i-nerved, not elastically dehiscent at maturity. Stigma 2-lobed or nearly in I or 2 rows in each cell, flattened, winged, margined or marginless; cotyledonsaccumbent. [Name from Arabia.] A genus of about 120 species, mainly natives of the northern hemisphere. In addition to thefollowing, about 35 other species occur in the northern
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 102nd meridian; 2nd ed. . ; valves smooth,mostly i-nerved, not elastically dehiscent at maturity. Stigma 2-lobed or nearly in I or 2 rows in each cell, flattened, winged, margined or marginless; cotyledonsaccumbent. [Name from Arabia.] A genus of about 120 species, mainly natives of the northern hemisphere. In addition to thefollowing, about 35 other species occur in the northern and western parts of the continent. Typespecies : Arabis alpina L. Called also in i row or 2 incomplete rows in each cavity of the leaves pinnatifid ; pods ascending. Seeds large, orbicular, wing-margined ; stem-leaves minute, oblong, wingless ; stem-leaves entire, or small, mostly entire ; pods drooping ; seeds oblong, wingless ; arcBasal leaves merely dentate or minute, oblong, larger, oblong, winged or curved upward, nearly i nearly erect, J/2 broad. Flowers white, 4 broad ; pods not appressed; style J^ 33- A. , arcnicola. A. deniata. A. alpina. 6. A. patens. Flowers white or greenish-white, 2-3 broad; pods appressed; style none. Seeds wing-margined : plant not wingless; plant recurved-spreading. Plant glabrous and lower part of stem in 2 distinct rows in each cavity of the pod. ^ Pods spreading, erect or ascending; seeds winged. .I Pods erect: basal leaves glabrous or nearly spreading; basal leaves reflexed ; seeds winged. Basal and lower leaves loosely long-pubescent; pods and lower leaves finely stellate-pubescent; pods acute. A. glabra. A. canadensis. 11. .-i. Drunimondii, 12. A. brachyearpa. 13.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
