644 Transactions. 
In 1899 Eriksson divided the original P. rubigo-vera into seven species, 
under :— 
1. P. glumarum Erikss. et Henn.—on wheat and Bromus spp. Аесійіа 
unknown. 
dispersa Erikss.—on rye. Aecidia on Anchusa PP. 
к es Erikss.—on wheat. Aecidia unknow 
Bro Erikss.—on Bro spp. "merui unknown. (Е. 
Mode (1901) found PAM. the aecidia of this race occur 
on Symphytum officinale L., and for this reason changed 
P. Bromina Erikss. to P. Symphyti-Bromorum Mue Il. 
Agropyrina Erikss.—on Triticum repens. Aecidia unknown 
na Erikss.—on Holcus lanatus and H. mollis. Ае 
ожа 
Triseti Erikss.—on Trisetum flavescens. Aecidia unknown. 
simplex Erikss. et Henn.—on barley. Aecidia unknown. (It 
since been shown that the aecidial stage occurs on 
Ornithogalum spp.) 
Of these, three should be allowed specific rank, as they show morphology 
differentiation; the others are identical in appearance and (if we exclude 
the presence or absence of aecidia—an uncertain character, as this "aod 
are in so many instances unknown) should be considered merely as 
biological races. 
Arthur and Fromme (1920, p. 333) a shown that the forms named 
y Eriksson Puccinia Agropyrina and P. Triticina belong to another 
ode Dicaeoma Clematidis (DC.) Arth. (— Puccinia Elymi Westnd.). 
ow gobo or 
xs "v уму tv 
RH 
3. Puccinia graminis Persoon. (Text-fig. 24, and Plate 77, fig. 4.) 
Pers., Disp. Meth., p. 39, 1797. 
Lycoperdon poc — Jacq., Coll, vol. 1, p. 122, 1786. Aecidium Berberidis 
Pers., in J. Е. Gmel., Syst. Nat., vol. 2, p. 1473, 1791. A. lineare е Pers., Lc. 
E Il 
Puccinia culmorum $ ohum., Enum. Pl. Sae ; vol 2, p. 233, 1801 Aecidium 
Berbe "E v Rebent., Prodr. Fl. Neom 352, 18 Рахи 
cerealis Н. , Fl. Mosq., р. 183, 1812 ] nis S. F. Gray, 
- Brit РЕ; gra г р. 541, — vcr Berberidis Schlecht 
d^ vol 2, p. 112, 1824. C. m Link., i , Sp Le vol. 6, 
DA Р. poculiformis Wettst., А Zool.-Bot. Ges. Wien, vol. 5 р. 544, 
End 5 ita р aeea Eri ikes, e t Henn., Zeits. Pflanzenkr., vol. 4, p. 140, 
and Ba nik; Erythea, vol. 4, p. 2, 1896. icaeoma 
Pes i erum ) voeem Rev. Gen., vol. 3, p. 466, 1898. D. Anthoxantht 
P Arth., Bull. T 
Kuntze, l.c., p. 467. Puccinia vilis Arth., ‚ Torr. Ol., vol. 28, р. 969, 
1901. P. ae ea E. Fisch., Beitr. Krypt. eae: vol. 2, p. 259, 
Arth., Res. Sci. C Bot. Vien 344, 1906. 
1904. ongr. 
Uredo кемерин. Ал, апа Fromme, Torreya, vol. 15.1 р. p. 265, 1915. 
O. Spermogones amphigenous, dla in small groups which are seated 
on circular discoloured spots, honey-coloured. 
І. Aecidia hypophyllous, бв еб, and fructicolous, in crowded 
circular, inflated groups, on discoloured spots, up to 5mm. diam , yellow. 
Peridia at first cylindrical, becoming cupulate, margins white, erect, becom- 
ing slightly expanded, dentate. Spores о чат orte г elliptical, 
4—26 . diam.; epispore hyaline, 1-5 mmm. k, thickened at apex: 
А to 7 mmm., finely and densely QUE ve kien sulphur- 
уе 
П. Uredosori amphigenous, and on stems, sheaths, and glumes, d 
brown, scattered, or more frequently confluent when linear, attaining 
ades 
i 
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x 
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Де 
4 
