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Pl.cell.aph. 10. SARCOTHECEiE. 236. Erysibe. 589
I. 236. ERYSIBE. Rebentisch. Mould-kid.
Thalli globular, upon a radiated basis.
1. Erysile suffulta. Propped mould-'bud.
Thalli lentilshape, brown; lasis fibrous, fulcrate, radiating
irregularly.
Erysibe sufi'ulta, Rebentisch Fl. Neomont.
Sclerotiuin Erjsiplie coryleum, Persoon Syn. 124, 12.
Erysiphe coryli, Be Candolle Fl. Gall. 730.
On the lower face of hazel'leaves.
2. Erysile alni. Alder mould-hud.
Rays many, expanded, very long, free.
Erysiphe alui, De Candolle Fl. Gall. 730.*
On the lower face of alder-leaves.
3. Erysibe aceris. Maple meuld-bud.
Rays many, long, interwoven into a thin membranaceous
pellicle ; thalli at length collapsing and becoming concave.
Erysiphe aceris, De Cand. Fl. Gall. 732.*
On the lower face of maple-leaves, rarely on the upper.
4. Erysibe polygoni. Knot-grass mould-bud.
Rays many, long, interwoven into a membranaceous
pellicle ; thalli few.
Erysiphe polygoni, De Cand. Fl, Gall. 733.
On the lower face of knot-grass leaves.
5. Erysibe pcpuli. Poplar mould-lmd.
Rays many, interwoven into a slight crustlike pellicle.
Erysiphe populi, De Cand. Fl. Gall. 733.*
On the upper face of black poplar-leaves, rarely on the
lower.
6. Erysibe pisi.
Pea mould-bud.
Rays numerous, very long, very slender, sometimes interwoven
into an irregular pellicule.
Erysiphe pisi, De Cand. Fl. Gall. 734.
On the leaves of peas.
7. Erysibe convolvuU.
Bindweed mould-bud.
Rays numerous, interwoven into a slightly membranaceous
adhering pellicle ; thalli scattered, or in rings.
Erysiphe convolvuli, De Cand. Fl. Gall. 736.
On the upper face of bindweed -leaves.