. 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 . Genus io. MUSTARD FAMILY. I. Neslia paniculata ( Desv. Ball Mus- tard. Fig. 2024. Myagrum faniciitatitm L. Sp. PI. 641. 1753. Neslia paniculala Desv. Journ. Bot. 3: 162. 1814. Slender, branched above, rather densely rough- hispid, l°-2° high. Leaves lanceolate, or the upper linear-lanceolate, acute or obtusish at the apex, sagittate-clasping at the base, 1-2*' long, 2&quo
. 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 . Genus io. MUSTARD FAMILY. I. Neslia paniculata ( Desv. Ball Mus- tard. Fig. 2024. Myagrum faniciitatitm L. Sp. PI. 641. 1753. Neslia paniculala Desv. Journ. Bot. 3: 162. 1814. Slender, branched above, rather densely rough- hispid, l°-2° high. Leaves lanceolate, or the upper linear-lanceolate, acute or obtusish at the apex, sagittate-clasping at the base, 1-2*' long, 2"-8" wide; racemes elongated; flowers yellow, nearly i" broad; pedicels filiform, ascending, 3"-5" long in fruit; silicles globose, or slightly depressed, about 1" in diameter, finely reticulated. In waste places, Quebec to Manitoba, North Dakota, British Columbia and Pennsylvania, and in ballast about the eastern seaports. Adventive or fugitive from Eu- rope. May-Sept. Rapistnim lugosum (L.) All., a plant with 2-jointed indehiscent pods, erect on appressed pedicels, in long racemes, has been found as a waif at Easton, Penn., and plentifully in ballast about the seaports. It is re- lated to Rafhanus. II. SUBULARIA L. Sp. PI. 642 Small annual aquatic submerged herbs, w'ith basal linear subulate leaves, and minute racemose white flowers. Silicles short-stipitate, globose to oblong or elliptic, the valves con- vex, l-ribbed on the back, the partition broad. Stigma sessile, entire. Seeds few, in 2 rows in each cell, marginless. Coty- ledons narrow, incumbent, curved above their base. [Latin awl, from the awl-shaped leaves.] .\ monotypic genus of the northern hemisphere. I. Subularia aquatica L. Water Awlwort. Fig. 2025. Subularia aquatica L. Sp. PI. 642. 175;. Tufted, glabrous, 1-4' high, growing on the margins and bottoms of lakes in shallow water. Flowering scape simple, ateral, 1-3*' high; leaves nearly cylindric, 6"-i5'' long; flow- ers few, rac
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
