. 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 . AMYGDALACEAE. Vol. II. 9. Prunus insititia L. Bullace. Fig. 2417. Pru,u,s{„s,l,lia L. Sp. PI. 475- I7S3. A much-branched shrub with thorny branches, 5°-i5° high. Leaves mostly obovate, obtuse at the apex, narrowed or rounded at the base, serrate, nearly glabrous above when mature, pubescent be- neath ; flowers white, about 4"-6" broad, appearing before the leaves,


. 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 . AMYGDALACEAE. Vol. II. 9. Prunus insititia L. Bullace. Fig. 2417. Pru,u,s{„s,l,lia L. Sp. PI. 475- I7S3. A much-branched shrub with thorny branches, 5°-i5° high. Leaves mostly obovate, obtuse at the apex, narrowed or rounded at the base, serrate, nearly glabrous above when mature, pubescent be- neath ; flowers white, about 4"-6" broad, appearing before the leaves, the lateral clusters usually only l-2-flowered; pedicels i'-i' long; drupe globose, nearly black with a bloom 6"-io" in diameter; stone little flattened, acute on one edge, ridged and grooved on the other. Along roadsides and waste grounds, New York to Massachusetts. Naturalized or adventive from Europe. April-May. Has been mistaken for P. spinosa L. Prunus domestica L., the Garden Plum, a small tree, with larger fruit, flowers and leaves, has locally escaped from cult' 10. Prunus pumila L. Sand or Dwarf Cherry. Fig. 2418. Pnntus pumila L. Mant. PI. I : 75. 1767. Prostrate and spreading or ascending, much branched from the base, sometimes bushy, 6'-6° high. Leaves mostly oblanceolate or spatulatc, acute or acutish at the apex, narrowed at the base, serrate, especially toward the apex, usually pale beneath and deep green above, glabrous or very nearly ^o on both sides when mature; flow- ers wdiite, 4"-s" broad, appearing with the leaves in sessile lateral umbels; clusters few-flowered; drupe 4"-6" in diameter, dark red or nearly black when mature without bloom; flesh thin, acid. On sandy or gravelly shores. New Brunswick to Manitoba, Maine. New Jersey, Indiana and Wisconsin. April-May. Fruit ripe in August. Beach-plum.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913