. Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening; Horticulture; Horticulture; Horticulture. PENTSTEMON 8. centranthifdiius, Benth. Plant strict and leafy, 1-3 ft. tall, very glaucous: Ivs. thick and entire, from ovate-lanceolate to linear, mostly sessile and clasping; inflorescence long and narrow, the peduncles 2-3-fld.: fls. about 1 in. long, scarlet, narro
. Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening; Horticulture; Horticulture; Horticulture. PENTSTEMON 8. centranthifdiius, Benth. Plant strict and leafy, 1-3 ft. tall, very glaucous: Ivs. thick and entire, from ovate-lanceolate to linear, mostly sessile and clasping; inflorescence long and narrow, the peduncles 2-3-fld.: fls. about 1 in. long, scarlet, narrow-tubular, the lobes short and acute; sterile filament naked. Calif, to W. Ariz. 5142. 22:2309. FP. Corolla {except in P. rotundifoUus) with a promi- neutlji enlarging tube, which is often contracted near the base: thick-flowered species. Corolla nearly straight, but short in P. confertus. Q. Leaves entire (sometimes serrulate in P. confertus). H. Dehiscence of anther cells extending from base but not through the apex. 9. gUber, Pursh (P. Gdrdoni, Hook. P. specibsus, Dougl.). Erect herb (1-2 ft.), with .simple stems, gla-. 17H. Pentsten caeruleus ( X ^4). A slender form. brous and somewhat glaucous : Ivs. oblong-lanceolate to ovate-lanceolate: fl. 1 in. or more long, broad and wide at the mouth, bright blue to purplish. Mo. river west. 1672 (as P. glabra) and 4319. 15:1270. Gn. 27, p. 42. 1895, p. 383; 1896, p. very handsome plant, known by its large blue fls. Var. cyandnthus, Gray (P. eydnthns, Hort.). Tall and less glaucous, the Ivs. broader (ovate or cordate- ovate to lance-ovate): dense: fls. bright blue. Rocky Mts. 1851:453.—Preferable to the type. HH. Dehiscence of anther cells extending from the base to the very apex and through the junction or confluence of the two cells at the apex. I. Inflorescence rather close and compact. J. Shape of some or all of the leaves as broad as PENTSTEMON 12b9 nelform (or widening upwards)
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