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; 2nd ed. . About 65 species, natives of the north temperate and boreal parts of both hemispheres. Typespecies: Micranthcs scmipubcscens Haw. Filaments subulate or filiform-subulate: petals not yellow-blotched. Cymules wholly or mainly aggregated into a head : follicles red. i. .1/. nivaiis. Cymulcs in pyramidal or corymb-like panicles: follicles green. Corolla white : petals bro
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; 2nd ed. . About 65 species, natives of the north temperate and boreal parts of both hemispheres. Typespecies: Micranthcs scmipubcscens Haw. Filaments subulate or filiform-subulate: petals not yellow-blotched. Cymules wholly or mainly aggregated into a head : follicles red. i. .1/. nivaiis. Cymulcs in pyramidal or corymb-like panicles: follicles green. Corolla white : petals broad : calyx-lobes not reflexed at maturity. Cymulcs permanently compact; petals not twice exceeding the calyx. ;. M. ultimately lax : petals more than twice exceeding the calyx. 3. M. greenish: petals narrow: calyx-lobes reflcxcd at maturity. 4. clavate : petals yellow-blotched. Leaves with elongated blades. 5. M. micranthidifolia. Leaves with short or suborbicular blades. Leaf-blades narrowed at the base; neither cordate nor of an orbicular type. 6. ^f. cordate at the base, orbicular or nearly so. 7. M. Geiim. 2l8 SAXIFRAGACEAE. Vol. I. Micranthes nivalis (L.) Small. Clustered Fig. 2156. Saxifraga nivalis L. Sp. PI. 401. 1753. Micranthes nivalis Small, N. A. Flora 22: 136. 1905. Seldom over 6 high. Scape viscid, naked, or bracted atthe base of the capitate sometimes branched inflorescence;leaves ovate or oval, narrowed into a margined petiole,thick; flowers white, 3-5 broad, in a compact cluster;calyx-lobes ovate or oblong, spreading, obtuse, about one-half the length of the oblong or oblong-ovate petals; ovaryhalf-inferior; follicles deep purple, divergent. Labrador and arctic America, south in the Rocky Mountainsto Arizona. Also in northern and alpine Europe and Said to flower beneath the snow. Micranthes texana (Buckl.) Fig. 2157. Texan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
