. Brigham Young University science bulletin. Biology -- Periodicals. l$ioLOGif Ai, , Vol. 16, No. 3 The BoR.\\E of Utah 51 tube 3-4 mm long, at base of tube con- spicuous, fomices yellow, rounded, papillose, limb 7-10 mm wide; nudets lanceolate to ellip- tic, mm long, mm wide, usually all 4 maturing, margins in contact, knifelike, dorsal surface with definite transverse ridges, iilso somewhat tuberculate or nearly smooth, ventral surface smooth or nearly so, scar open, very narrowlv linear, elevated margin lacking; style exceeding matiu^e fruit mm. Grow


. Brigham Young University science bulletin. Biology -- Periodicals. l$ioLOGif Ai, , Vol. 16, No. 3 The BoR.\\E of Utah 51 tube 3-4 mm long, at base of tube con- spicuous, fomices yellow, rounded, papillose, limb 7-10 mm wide; nudets lanceolate to ellip- tic, mm long, mm wide, usually all 4 maturing, margins in contact, knifelike, dorsal surface with definite transverse ridges, iilso somewhat tuberculate or nearly smooth, ventral surface smooth or nearly so, scar open, very narrowlv linear, elevated margin lacking; style exceeding matiu^e fruit mm. Growing on clay or shale in the Transition Zone. South- western Wvoming, northwestern Colorado, and northeastern Utah. June-August. Fig. 68. UTAH County Lines and river drainages O JO. Fig. 68. Cryptantha strictci Daggett Co., Flaming Gorge, L. Williams 489 (RM); Summit about 10 miles south of Lonetrce, Wyoming, Welsh & Moore 6714 (BRY); Uintah Co., 2 miles north of Brush Creek on the Manila-Vemal liigh- way, D. Ahvood 1609 (BRY); . miles north of Bmsh Creek along the Manila-Vernal highway, Higgins 1869 (BRY): miles north of Brush Creek, Hig- gins 1874 (BRY). 52. Cryptantha tenuis (Eastw.) Payson, Ann. Mo. Bot. Card. 14:327. 1927. Type: Court House Wash, Grand County, Utah, Alice Eastwood Oreocania tennis Eastw. Bull. Torrey Club 30:244. 1903. Caespitose perennials, dm tall; stems ider, 1-many, dm long, strigose and weakly spreading setose; leaves linear-spatulate, mostly basal, obtuse, 2-5 cm long, cm wide, dorsal surface strigose and weakly spread- ing setose, conspicuously pustulate, ventral sur- face unifonnly strigose and without pustules; in- florescence narrow, interrupted, dm long, weaklv setose, foliar bracts inconspicuous; calyx segments linear-lanceolate, in anthesis mm long, in fruit becoming 7-9 mm long, white setose; corolla white, the tube mm long, crests at base of tube lacking or sometimes e


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