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Show I 888 ' APPENDIX D.- BOTANY. mens there are only . five petals; and the filaments of the fire outermost stamens are only a little dilated, while - the anthers are perfect: bat in other specimens, collected by Colonel Fr& nont, there are ten petals, of which five inner ones, are rather atnailer than the others; and so. they are. described, by Mr. NuttaTL Sir William Hooker thinks that Jf. kevicauli* is not distinct from this species * r bat Dr. Gray states ( 1, c.) that it differs in its yellow flowers, which open in the sunny hours, while in M. arnata they are white, and open toward sunset. M. ALBICAULIA, Dougl.; Tqrr. and Or. 1. c.- Valley of the Salt Lake. * ERODIUM OICUTARIUM, L'Herit.- Islands of the Salt Lake. Fl. June. This plant is widely spread oyer the western part of North America, from the Roeky Mountain* to the Pacific, and ip doubtless indigenous.' HBUCHKRA RUBIB8QBN&, Torr. ( sp. nov.)- Scapo hudo glabro vel scabriusculo; foliis suborbicularibus breviter 5- 7- lobatis glabrina-culis, lobis crenato- dentatis, dentibus setostf- mucronatis, vel obturis; panicula oblongo; thyrsoidea sublaxa; staminibus fexsertis; petaKa linearibus calyce ssquali longioribus. Stansjrary's Island, Salt Lake. Fl. June 26. Rhixoma thick and - somewhat ligneous, clothed with brown vestiges of leaves. Leaves an inch or an inch and a- half in diameter, nearly orbicular, ' mostly cordate at the base, somewhat coriaceous, either wholly glabrous or very sparingly strigose- pubescent, moderately 5- 7- lobed, and the lobe* crenate, or brpadly toothed. The teeth usually mucronate and sometimes ciliolate. Petioles 2- 4 inches long. Scapes varying from a span to fifteen inohes high, entirely naked, except a fpw remote appressed scales. Panicle rather loose and few -( 15- 20) flowered. " » Flower* about one- third larger than in . Blaets lanceolate and often toothed. Calyx purplish red, campanulate, pubescent; the segments linear- oblong, obtuse, and nearly equal. Petals narrowly linear, persistent, about as long as the stamens. Styles much exserted. This species has the foliage of H. parvifoltOy the inflorescence of H. hixpida, and the calyx of JT. amerieana. ! Plate V. HeucKera rubetcen*, of the natural site. Fig. 1, a flower. Fig. 2, the same laid open. Fig. 8, transverse section of a capsule. Fig. 4, a Seed. All the figures are magnified. < |