. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 3. E. Raun- kiæriana sp. n. Tumours in late as March 10 the curved appendix persisted in nearly all the spores, and no germination was to be seen. As to be exspected the species has a considerable resemblance to E. scirpicola on Scirpus pauciflorus Lightf., but differs distinctly from this as well by the shape of the tumours as by the spore-form. In E. scirpicola the tumours are cylindrical (fig. 5) while in our spe- cies ovoid or often constricted as the silique of Crambe maritima L. (fig. 3). Further the spores in E. scirpicola are less
. Dansk botanisk arkiv. Plants; Plants -- Denmark. Fig. 3. E. Raun- kiæriana sp. n. Tumours in late as March 10 the curved appendix persisted in nearly all the spores, and no germination was to be seen. As to be exspected the species has a considerable resemblance to E. scirpicola on Scirpus pauciflorus Lightf., but differs distinctly from this as well by the shape of the tumours as by the spore-form. In E. scirpicola the tumours are cylindrical (fig. 5) while in our spe- cies ovoid or often constricted as the silique of Crambe maritima L. (fig. 3). Further the spores in E. scirpicola are less slen- der (16—20 « 11—14 ft) than in E. Raunkiæriana (18—21 « 9—11//), the proportion between length and breadth of the spores in the two »•£**£» species thus being re- About nat. size. spectively 1,5 : 1 and 1,9:1 (fig. 4 and 5). We have not succeeded in procuring type-specimens Fig. 4. E. Raunkiæriana • • , i ^-u u u j Spores, one of which showing of E. scirpicola, but still we have nad in optical section the outer occasion to examine this species; in the structure of the membrane, ,, ,. P tl ,-» * • i -km and another showing the same collections of the Botanical Museum structure in transverse section. 0f tjje Copenhagen University are ~T" found, namely, specimens of the fungus on Scirpus pauciflorus from the Færoes (Tran- gisvaag on Suderø, leg. C. H. Ostenfeld); E. Rostrup (1901, p. 306) identified the plant with E. cypericola (Magn.) De Toni. In these specimens, though being very young, so that the spiral lines of the spore-membrane just are going to appear, the proportion between length and breadth of the spores still is exactly as stated by Correns, the young spores mea- suring 15 ^ 9 [x. The record of this fungus from the (Correns) Sacc. & Syd s 1—3 : Rootswellmgs ! Færoes, being so lar away irom the hitherto on Scirpus pauciflorus only known locality, Val Maggia, Tessin, Lightf.; 4— 5: Spores _ J. .i • • .t from
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