dcsimg

Comprehensive Description

provided by North American Flora
Allodus douglasii (Ellis & Ev.) Orton, Mem
N. Y. Bot. Card. 6: 198. 1916.
Puccinia Douglasii Ellis & Ev. Proc. Acad. Phila. 1893: 152. 1893. Dicaeoma Douglasii Kuntze, Rev. Gen. S^: 468. 1898. Puccinia Richardsonii Sydow, Monog. Ured. 1: 317. 1902.
Pycnia amphigenous, scattered among the aecia, flattened globoid, deep seated, 75100 M in diameter; ostiolar filaments prominent.
1. Aecia hypophyllous, distributed rather unevenly over considerable portions of the under leaf-surface, cylindric, short, 0.3-0.4 mm. in diameter; peridium whitish, the margin lacerate or erose; peridial cells rhombic or rhomboidal, 19-26 by 20-37 /*, the outer wall 7-10 ^ thick, striate, the inner wall 3-5 ju thick, moderately verrucose; aeciospores globoid, 13-19 by 18-21 ix; wall about 1 m thick, very finely verrucose.
Telia chiefiy hypophyllous, arising from among or within the aecia, or oftener occurring in two series, on opposite sides of the midrib, oval in outline, 0.5-0.8 mm. across, often becoming longitudinally confluent, pulvinate, early naked, somewhat pulverulent, dark chocolate-brown or blackish, ruptured epidermis somewhat conspicuous; teliospores ellipsoid or pyriform, 16-24 by 34-58 m» rounded or narrowed above, usually narrowed below, somewhat constricted at septum; wall chestnut-brown, smooth, 1.5-2 m thick, 7-12 m thick above, appearing slightly paler at apex; pedicel goldenor cinnamon-brown, rather stout, about length of spore.
On Polemoniaceae:
Phlox alyssifolia Greene, Montana.
Phlox amoena Sims (P. procumhens A. Gray), Pennsylvania.
Phlox canescens T. & G., Utah.
Phlox depressa (A. Nelson) Rydb., Utah.
Phlox diapensioides Rydb., Montana.
Phlox diffusa Benth., Oregon, Utah, Washington.
Phlox glahrala (E. Nelson) A. Brand, Wyoming.
Phlox Hoodii Richards., Montana.
Phlox nana Nutt., New Mexico.
Phlox rigida Benth., Utah, Washington.
Phlox scleranthi folia Rydb., Nebraska.
Phlox subulata h., New Jersey. Type locality: Detroit, Utah, on "Phlox Douglasii," error for P. diffusa. Distribution: New Jersey to Washington, and in the Rocky Mountain region southward to
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bibliographic citation
Joseph Charles Arthur, Herbert Spencer Jackson, Clayton Roberts Orton. 1921. (UREDINALES); AECIDIACEAE (continuatio); DICAEOMA ON CARDUACEAE; ALLODUS. North American flora. vol 7(6). New York Botanical Garden, New York, NY
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