Century Dictionary and Cyclopedia
- n. A genus of plants, the type of order Polemoniaceæ, characterized by its declined stamens, pilose filament-bases, bractless calyx, deeply three-valved capsule, and from two to twelve ovules in each cell. There are 8 or 9 species, natives of Europe, Asia, North America, Mexico, and Chili. They are delicate plants with pinnate leaves and terminal cymes of ornamental blue, violet, or white flowers, commonly broadly bell-shaped. P. cærdeum is known as Jacob's-ladder, also
Greek valerian, and sometimes in England as makebate or charity. P. reptans is locally known as abscessroot, and improperly as forget-me-not.
GNU Webster's 1913
- n. (Bot.) A genus of gamopetalous perennial herbs, including the Jacob's ladder and the Greek valerian.
- n. any plant of the genus Polemonium; most are low-growing often foul-smelling plants of temperate to Arctic regions
“This one is a Jacob's ladder (Polemonium reptans) called Stairway to Heaven.”
“The numerous species, wild and cultivated, of phlox (Fig. 118, _A_), and the blue valerian (_Polemonium_) (Fig. 118, _D_), are examples of the family _Polemoniaceæ_.”
“_Polemonium cæruleum_ is another plant very subject to this change.”
“For two or three years I do not remember to have seen it, or the seedlings, without flowers; its pretty, dwarf, rue-like foliage grew so thickly that it threatened to kill the edging of gentianella and such things as _Polemonium variegatum_, the double cuckoo-flower, and the little _Armeria setacea_; it also filled the walks, and its long wiry roots have been eradicated with difficulty.”
“Sidene, was a town called Side, which, it is believed, took the name of Polemonium in honour of Polemion, made King of Pontus by Marcus”
“_Polemonium dissectum_, _Salvia sylvestris_ and some others.”
“In this way I obtained a hybrid between the common Jacob's ladder and the allied species _Polemonium dissectum_.”
“_Polemonium coeruleum_, the _Veronica longifolia_, the gloxinias and others.”
“_Polemonium coeruleum_ album in the neighborhood of the blue-flowered species, the distance  in this case being only 40 meters.”
“Polemonium, and Amisus, and Tios, and Amastris, all originally founded by the energy of the Greeks; and Cerasus, from which Lucullus brought the cherry, and two lofty islands which contain the famous cities of”
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