. 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 . I. Cotoneaster Pyracantha (L.) Spach. Evergreen or Fire Thorn. Pyracanth. Fig. 2408. Mespilus Pyracantha h. Sp. PI. 478. 1753. Crataegus Pyracantha Medic. Gesch. 84. 179S. Cotoneaster Pyracantha Spach, Hist. Veg. 2 : 73. 1834. A shrub, 3°-8° high. Spines slender, i'-i' long; leaves evergreen, glabrous on both sides, oval or slightly oblanceolate, crenulate, obtuse at the ape
. 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 . I. Cotoneaster Pyracantha (L.) Spach. Evergreen or Fire Thorn. Pyracanth. Fig. 2408. Mespilus Pyracantha h. Sp. PI. 478. 1753. Crataegus Pyracantha Medic. Gesch. 84. 179S. Cotoneaster Pyracantha Spach, Hist. Veg. 2 : 73. 1834. A shrub, 3°-8° high. Spines slender, i'-i' long; leaves evergreen, glabrous on both sides, oval or slightly oblanceolate, crenulate, obtuse at the apex, usually narrowed at the base, somewhat shining above, 1-2' long, short- petioled; cymes terminal, compound, many- flowered; pedicels and calyx pubescent; calyx- lobes ovate; flowers about 3" broad; styles 5; fruit scarlet, depressed-globose, about 2" high, bitter. In thickets, escaped from cultivation about Philadelphia and Washington. Native of south- ern Europe and western .•\sia. Christ's- or Egyp- tian-thorn. May. Family 56. AMYGDALACEAE Reichb. Consp. Peach Family. 177- Trees or shrubs, the bark exuding gum, the foliage, bark and seeds contain- ing prussic acid, bitter. Leaves alternate, petioled, serrate, the small stipules early deciduous, the teeth and petiole often glandular. Flowers corymbose, umbelled, racemed or solitary, regular, mostly perfect. Cal3'X inferior, deciduous, free from the ovary, its tube obconic, campanulate or tubular, 5-lobed. Disk annular. Calyx- lobes imbricated in the bud. Petals 5, inserted on the calyx. Stamens numerous, inserted with the petals. Pistil i in our genera ; ovary i-celled, 2-ovuled; style simple; stigma mostly small and capitate. Fruit a drupe. Seed i, suspended; endosperm none ; cotyledons fleshy. : and 120 species, widely dii About 10 gener Drupe glabrous. Flowers umbella previous year. Flowers racemos Drupe velvety. ibuted, iibose, appearing before or ith the leaves 1 appearing atter the 1 liranches of the yea
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
