. 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 102d meridian. Botany; Botany. 4. RHODODENDRON L. Sp. PI. 392. 1753. Branching shrubs, with alternate persistent coriaceous leaves. Flowers large, or middle- sized, purple, rose-colored or white, corymbose or umbellate, from scaly cone-like buds. Calyx small, or minute, 5-lobed or 5-parted. Corolla campanulate, S-lobed, nearly regular. Stamens 5-10 (usually 10), little exserted, declined or
. 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 102d meridian. Botany; Botany. 4. RHODODENDRON L. Sp. PI. 392. 1753. Branching shrubs, with alternate persistent coriaceous leaves. Flowers large, or middle- sized, purple, rose-colored or white, corymbose or umbellate, from scaly cone-like buds. Calyx small, or minute, 5-lobed or 5-parted. Corolla campanulate, S-lobed, nearly regular. Stamens 5-10 (usually 10), little exserted, declined or equally spreading. Anthers awnless, attached by their backs to the filaments, the sacs opening by terminal pores. Style slender; stigma capitate or 5-20-lobed; ovules numerous. Capsule short or elongated, mostly woody, septicidally dehiscent, s-20-valved from the summit. Seeds numerous. [Greek, rose-tree.] About 100 species, natives of the northern hemisphere, most abundant in Asia. Besides the following some 5 others occur in southern and western North America. Type species: Rhododen- dron ferrugineum L. Arctic-alpine shrub, 4^-12' high ; leaves small, lepidote. Tall shrubs or low trees ; leaves large, glabrous. Leaves usually acute at both ends ; calyx-lobes oblong, obtuse. Leaves mostlv obtuse at both ends; calyx-lobes short, acute. 1, R. lapponicum. 2, R. maximum. 3, R, catawbiense. I. Rhododendron lapponicum (L.) Wahl. Lapland Rose Bay. Fig. 3221. Azalea lapponica L. Sp. PI. 151. 1753. Rhododendron lapponicum Wahl. Fl. Suec. 249. 1824. Low, depressed or prostrate, branched, 2'-i2' high. Leaves oval, elliptic or oblong, obtuse and mucronulate at the apex, narrowed or rounded at the base, 4"-9" long, 2"-4" wide, densely covered with brownish scales on both sides, short-petioled; flowers few in the umbels, on short pedicels with scurfy scales; calyx-lobes oblong, obtuse, pubescent; corolla purple, 5-lobed, 7"-g" broad, the lobes oblong, obtuse; s
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
