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54-2 157. Dicseoma. 7. PROTOMYCE^. Pl.cell.apk.
Puccinia polygon! nmphibii, Persoon Syn. 227.
On the lower face of the leaves of narrow-leaved pondweed.
2. DiccEoma scirpi. Rush diceome.
Sporidia rather clubbed ; upper cell large, globular
pedicell short; itifts blackish, roundish, compact.
Puccinia scirpi, -De Cand. Sjjn. 46.
On the decaying stems of bullrushes.
3. Dicceoma graminis. Grass dkeome.
Sporidia rather clubbed ; upper cell large, globular
pedicells short; tufts yellow, brown, or black, scattered,
parallel.
Puccinia graminis, Persoon Syn. 228,
Uredo frumenti, Sowerhy Fungi, 140.
On the stem and leaves of grasses.
4. DiccBoma anemones. Anemone diceome.
Sporidia oblong ; cells rounded ; pedicells short ; tufts
brown, hemispherical, in rows or marginal.
Puccinia anemones, Persoon Syn. 226.
^cidiiim fuscum, Sowerby Fungi, 53.
On the lower face of the leaves of wood-anemonies.
Plants on which this fungus is parasitic have been taken
for a new species of fern, under the name of the Conjurer
of Chalgrave's fern, he having been the first botanist who
observed it.
5. DiccBoma menthce. Mint diceome.
Sporidia oblong ; cells rounded ; pedicells short ; tifts
brown, threadlike, rather thicker at bottom ; tifts black,
hemispherical, powdery.
Puccinia menlhaj, De Cand. Syru 45.
On the lower face of the leaves of several species of mint.
Sporidia cylindrical, blunt; pedicells short; tvfts brown,
orbicular, girt with the epidermis.
Puccinia ribis, De Cand. Syn. 45.
On the upper face of the leaves of red currants.
7. Dicceoma aviculare. Knotgrass diceome.
Sporidia ovoid, blunt ; pedicells long, flaccid ; tifts brown,
oblong, or roundish.