An illustrated flora of the 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 ed2illustratedflo02brit Year: 1913 8. Arabis glabra (L.) Bernh. Tower Mustard or Cress. Fig. 2076. Turrilis glabra L. Sp. PI. 666. 1753. Arabis glabra Bernh. Verz. Syst. Erf. 195. 1800. Arabis perfoliata Lam. Encycl. i: 219. 1783. Biennial, erect, glabrous and decidedly glaucous above, pubescent at the base, nearly simple, 2°-4° high. Basal leaves pe
An illustrated flora of the 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 ed2illustratedflo02brit Year: 1913 8. Arabis glabra (L.) Bernh. Tower Mustard or Cress. Fig. 2076. Turrilis glabra L. Sp. PI. 666. 1753. Arabis glabra Bernh. Verz. Syst. Erf. 195. 1800. Arabis perfoliata Lam. Encycl. i: 219. 1783. Biennial, erect, glabrous and decidedly glaucous above, pubescent at the base, nearly simple, 2°-4° high. Basal leaves petioled, 2'-io' long, oblanceolate or oblong, dentate or some- times lyrate, hairy with simple pubescence, or with hairs at- tached by the middle; stem-leaves sessile, with a sagittate base, glabrous, entire or the lower sparingly dentate, 2-6' long, lanceolate or oblong, acutish; pedicels 2'-6' long, erect; flowers yellowish-white, 2' broad; petals slightly exceeding the calyx; pods narrowly linear, 2-3' long, §' wide, strictly erect and appressed; seeds marginless; style none. In fields and rocky places. New Brunswick to southern New York and Pennsylvania, west to the Pacific Coast. Appears in ; places as if not indigenous. Also in Europe and Asia. May- Aug. g. Arabis laevigata (Muhl.) Poir. Smooth Rock-cress. Fig. 2077. Turrilis laevigata Muhl.; Willd. Sp. PI. 3 : 543. 1801. A. laevigata Poir. in Lam. Encycl. Suppl. 1:411. 1810. Arabis laevigata Burkii Porter, Bull. Torr. Club 17: 15. 1890. A. laevigata laciniata T. &; G. FI. N. A. i: 82. 1838. Glaucous, entirely glabrous, i°-3° high, nearly simple. Basal leaves petioled, spatulate or obo- vate,_ sharply and deeply dentate, or sometimes laciniate, 2-3' long; stem-leaves sessile, lanceo- late, or the upper linear, acute, entire or dentate, usually clasping by an auricled or sagittate base; pedicels ascending or spreading, 4,'-$' long in fruit; flowers greenish white, 2'-3' high; petals nearly twice the length of the calyx
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