...Heller, 509. WASHINGTON: 1889, GR Vascy, j?p. WYOMING: Yellowstone I^ake, 1899, Avcn &• E/ias Nelson, Picradenia helenioides sp. nov. A comparatively tall,...: heads corymbose : involucre somewhat tomentose, 8— 10 mm. high and often 15 mm. broad ; outer bracts united only at the base, lanceolate, longer...

...Hoopesii. — In the mountains; Wyoming to New Mexico and Arizona. 2. Dugaldia helenioides (Rydb.) A. Nels. A comparatively tall, finely pubescent plant with...apparently only biennial root; stem leafy, about 5 dm. nigh, with several to many erect branches: leaves rather firm, distinctly ribbed, finely pubescent;...

...Hooptsii. — In the mountains; Wyoming to New Mexico and Arizona. 2. Dugaldia helenioides <Rydb.j A. Nels. A comparatively tall, finely pubescent plant with apparently only biennial root: stem leafy, about Ь dm. high, with several to many erect branches: leaves rather firm, distinctly ribbed. finely pubescent:...

...joc. WASHINGTON: 1889, GR Vasey, 4.79. WYOMING : Yellowstone Lake, 1899, Aveu & Elias Nelson, ÓÓOJ. Picradenia helenioides sp. nov. A comparatively tall,...pubescent ; the lower petioled and with half clasping lu basal leaves entire, very narrowly linear-oblanceolate ; middle stem-leaves erect, fully i dm. long,...

...Hoopesii. — In the mountains; Wyoming to New Mexico and Arizona. 2. Dugaldia helenioides (Rydb.) A. Nels. A comparatively tall, finely pubescent plant with...rather firm, distinctly ribbed, finely pubescent; trie lower petioled, entire, very narrowly linearoblanceolate; middle stem leaves erect, fully 1 dm....