. A spring flora for high schools. Botany. CRUCIFERAE (MUSTARD FAMILY) 73 CARDAMINE Herbs with fibrous roots, sometimes tuber-bearing. Stems leafy, with alternate, simple or compound leaves, and bearing a cluster of white or purple flowers and linear flat pods. C. bulbosa, Spring Cress. Stem smooth, from a tuberous base and a slender rootstock bearing small tubers; root-leaves oblong to heart-shaped, stem-leaves 5-8, scattered, becoming narrower above, often toothed; flowers white. In wet meadows and around springs. May, June. C. Douglasii, Spring Cress. Like the last, but stem usually pubesce
. A spring flora for high schools. Botany. CRUCIFERAE (MUSTARD FAMILY) 73 CARDAMINE Herbs with fibrous roots, sometimes tuber-bearing. Stems leafy, with alternate, simple or compound leaves, and bearing a cluster of white or purple flowers and linear flat pods. C. bulbosa, Spring Cress. Stem smooth, from a tuberous base and a slender rootstock bearing small tubers; root-leaves oblong to heart-shaped, stem-leaves 5-8, scattered, becoming narrower above, often toothed; flowers white. In wet meadows and around springs. May, June. C. Douglasii, Spring Cress. Like the last, but stem usually pubescent, root-leaves orbicular, and flowers rose-purple. Rich woods. April, May. C. pennsylvanica, Pennsylvania Bitter Cress. Stem from fibrous roots, usually smooth, and bearing pinnate leaves with 7-11 leaflets; terminal leaflet obovate, lateral ones oblong; flowers small, white. Moist places. ARABIS. Cardamine Douglasii, Spring cress. Stem from fibrous roots, with no tubers, bear- ing alternate simple or pinnatifid leaves, a cluster of white or purple flowers, and linear flat pods. A. lyrata, Rock Cress. Branching from the base, smooth except the lyrate- pinnatifid root-leaves; stem leaves scat- tered, narrow, with tapering base, toothed or entire; flowers white, the petals much longer than the sepals. On rocks or sandy places. April to July. A, laevigata. Smooth Rock Cress. Stems simple and very leafy, with root- leaves rarely lyrate, and narrow stem leaves, mostly toothed and partly clasp- ing by an arrow-shaped base; flowers white and small, the petals scarcely longer than the sepals. Rocky places. Arabis lyrata, Eock cress. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cowles, Henry Chandler, 1869-1939; Coulter, John G. (John Gaylord), b. 1876. joint author. New York, Cincinnati [etc. ] American Bo
Size: 1020px × 2450px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1915
