^CIDIACEI. 



533 



Lecythea 

 Lecythea 

 Lecythea 

 Lecythea 

 Lecythea 

 Lecythea 



Ros^. Lev. See Phragmidiura mucronatum. 

 POPULINA. Lev. '^QQ Melarapsora popuUna. 

 euphorbia. Lev. See Melampsora eupJiorbice. 

 epitea. Lev. See Melampsora salicina. 

 GYROSA. Lev. See Phragmidiura gracile. 

 CAPREARUM. Lev. See Melampsora salicina. 



Order XVII. uECIDIACEI. 



Peridiiim distinctly cellular. — Berh. Outl.p.^2)Q. 



Peridium single. 

 Elongated. 



Separating in threads . 

 Eupturing irregularly . 

 Abbreviated, or semi -immersed 

 Immersed .... 

 Peridium double, sessile 



Gen. 182. 



RCESTELIA, Reb. 



JRcesfelia. 

 Perkier mium. 

 jEcidium. 

 Endophyllv.m,. 

 Gra/phiolo,, 



Peridium elongated, at length 

 opening by lateral fissures, or a 

 terminal lacerated moutb. Sper- 

 mogones on the opposite surface, 

 on the same or on different leaves. 



(Fig.'in.) 



Fig. 218. 



1597. 



Rcestelia cancellata. Reh, " Pear-leaf Eoestelia.' 



Spermogoxes. Spots yellow or orange, with bluntisli conical 

 projections, wbicb are at length blackish ; spermatia minute, 

 oozing out at the apex, like an orange jelly. — Myxosporium col- 

 liculosum. BerJc. Outl.p. 226. Soii'.t.4:0^. 



Protospores. Spots yellow, then red, prominent ; peridia 

 split to the base into lacin^e, which remain united at the apex, 

 on the same or on different leaves as the Spermogones. — Reh.Fl, 

 Neom. p. 330. Cooke M.F. t. 2, f. 20, 21. Seem. Joiirn. ii.p. 33. 

 Cooke exs. no. 332. Fckl. exs. no. 283. Berk. exs. no. 58. Kunze. 



