plant at the time of the Æcidium being upon it, which is after wet weather in the summer, or early in autumn: being apparently tempted by its flavour, they over eat themselves, or else are destroyed by some poison.
Fig. 6. Æ. rhei.
VERY small, scattered on the back of the foliage of Rheum rbaponticum in autumn.
Fig. 7. Uredo spireæ.
THIS is of a larger size, occasionally spreading, or confluent; its colour a brightish yellow.
Fig. 8. U. Rosæ.
CONSPICUOUS upon various parts of roses, and other plants. It is variously shaped, bright yellow, the inside or feed largish, resembling tab. 320, and may, perhaps, be the same species. This species is observable on many plants, as wheat, grasses, &c. in autumn.
Fig. 9. U. Chenopodii.
ON the foliage of Chenopodium olidum. It is flat, lightish brown, the cover somewhat pulverulent.
TAB. CCCXCIX.
Fig. I. RETICULARIA hortensis. Bull. 424. fig. 2. With. 3 ed. v. 4. p. 387.
COMMON on tan in hot-houses. It at first appears to ferment, as it were, in a kind of whitish froth, in a few hours becoming yellowish, and seemingly mixed with a powder; at length it grows fragile, flattens, and assumes a lightish brown on the outside, being replete with dark powder or feeds in irregular divisions within, after which it soon falls to pieces. In the fresh state it smells not unlike rotten cheese.
Fig. 2. R. lueta. Bull. 380. fig. 1.
THIS is, at first, often of a bright yellow, and quite a soft frothy substance, hanging, or seemingly dropped,
