CLASS XXII. ORDER VI. 141 



TuLiGO. Fungus with a cellular-fibrous bark ; 

 the fibres penetrating in a reticulate manner 

 through a fibrous mass. 58. 1— ^at^a, (soot fungus) 

 yellow. 



Stemonitis. Fungus covered with a fugaceous 

 or membranaceous bark, filled with seminiferous 

 fibres elastically expanding themselves. 58. 1— /o5- 

 ckularisy (brittle-bark puff-ball) steel-blue, head 

 sub-turbinate, stem very short. 



Aecidium. P'ungus furnished with membrana- 

 ceous cases, glabrous on both sides, filled with 

 naked seeds not cohering 58. 1 — cornutum, (cased 

 fundus) yellow, cases long curved olive grey. 



Sphaeria. Fungus furnished with cases filled 

 "with roundish naked gelatinous seeds. 58. I— 7720- 

 n, (globule fungus) clustered scarlet small. 



ScLEROTiuM. Fungus quite simple, globular- 

 oblong, tough, hardish, gaping a little at length in 

 the center, covered with an inseparable bark never 

 opening above. 5 8. 1 — semen, (barked fungus) sub- 

 globular, blackish, rugged. 



Uredo. Fungus parasitical, consisting of a 

 mealy powder, destitute of a case, growing from 

 under the cuticles of leaves and stems, bursting at 

 last, with an even margin. 58. 1 — frumenti^ 

 (blight, or grain- rust) linear oblong, black-brown, 

 growing from under the cuticle of culms — -Jiava^ 

 (yellow rust) sub-globular yellow, growing from 

 tinder the cuticle of leaves. 



TuBERCuLARiA. Fungus gclatiuous : cup tu- 

 bercled ; stalk thick, filled, closely appressed, 

 bearing the seeds on the upper surface. 58. I — 

 vulgaris^ (tubercled fungus) convex rugged with a 

 sub-repand-tooth margin. 



MucoR. Fungus fugacious, heads at first semi- 

 transparent, then becoming opake, fixed to simple 

 or branched stalks. 5 8. \-—?nuccdOj (common 

 mould) globular, stem simple grey. 



