Puccinia apocrypta Ellis & Tracy 1890

Dicaeoma apocryptum
467.
1898.
A ecidium Hydrophylli Peck, Bull. Buffalo Soc. Nat. Sci. 1:68. 1873. Not Dicaeoma Hydrophylli
Kuntze, 1898. ?Aecidium Phaceliae Peck, Bull. Torrey Club 11: 50. 1884. Puccinia apocrypta Ellis & Tracy, Jour. Myc. 6: 76. 1890. Aecidium Onosmodii Arth. Bull. Torrey Club 31: 6. 1904. Aecidium Mertensiae Arth. Bull. Torrey Club 31: 6. 1904. Aecidium Williamsii Ricker, Jour. Myc. 10: 165. 1904.
Pycnia amphigenous or epiphyllous, in small circular groups, crowded, immersed, globoid in vertical section, 65-120 p. in diameter; ostiolar filaments 60-90 jj. long.
1. Aecia hypophyllous, in crowded circular groups, up to 5 mm. or more across, cupulate, 0.4-0.5 mm. in diameter; peridium yellowish or colorless, the margin spreading and somewhat recurved, unevenly eroded; peridial cells oblong, 16-26 by 26-37 a*, the outer wall smooth, striate, thick, 5-9 fi, the inner wall thinner, 2-3 n, moderately verrucose; aeciospores globoid, 16-26 by 21-29 n; wall colorless, moderately thin, 1.5-2 /*, finely and closely verrucose.
On Hydrophyllaceae:
Eucrypta chrysanthemifolia (Benth.) Greene (Ellisia chrysanthemi folia Benth.), California.
Hydrophyllum albifrons A. Heller (H. congestum Wiegand), Idaho, Oregon.
Hydrophyllum appendiculatum Michx., Illinois.
Hydrophyllum capitatum Dougl., Colorado, Idaho, Montana, Oregon, Utah, Washington,
Wyoming. Hydrophyllum Fendleri (A. Gray) A. Heller, Colorado, Idaho, New Mexico, Wyoming. Hydrophyllum occidentale A. Gray, California. Hydrophyllum tenuipes A. Heller, Oregon, Washington.
Hydrophyllum virginianum L., Iowa, Minnesota, Nebraska, New York, North Dakota. Hydrophyllum Watsoni (A. Gray) Rydb., Utah. Nyctelea Nyctelea (L.) Britton (Ellisia Nyctelea L., Macrocalyx Nyctelea -Kuntze), Iowa,
Kansas, Nebraska, Oklahoma. Phacelia alpina Rydb., Utah. Phacelia calif ornica Cham., California. Phacelia circinata Jacq., California. Phacelia distans Benth., California. Phacelia heterophylla Pursh, Colorado, New Mexico, Oregon, Utah; British Columbia.
Phacelia hispida A. Gray, California.
Phacelia leucophylla Torr., Colorado, Idaho, Montana, Oregon.
Phacelia ramosissima Dougl., California.
Phacelia tanacetifolia Benth., California.
On BoraginaceaE:
Lappula coerulescens Rydb., Utah.
Lithospermum linearifolium Goldie [L. angustifolium Michx.), Nebraska, North Dakota,
South Dakota. Merlensia laevigata Piper, Idaho, Oregon. Mertensia paniculata (Ait.) G. Don, Montana. Myosotis virginica (L.) B.S.P. (M. verna Nutt.), Illinois, Missouri. Onosmodium occidentale Mackenzie, Colorado, Kansas, Nebraska, North Dakota. II. Uredinia hypophyllous, scattered, often causing a brownish discoloration of the host, oval or oblong, small, 0.1-0.3 mm. long, early naked, pulverulent, yellow, ruptured epidermis rather inconspicuous; paraphyses few, hyphoid or wanting; urediniospores ellipsoid or globoid, 13-21 by 19-25 p; wall pale-yellow or pale-brown, 1-2 /x thick, moderately and rather finely echinulate, the pores scattered, 6-8.