ACOTYLKDONS. FUNGI. Pllobolus. 9 



HAB. On the dead leaves of Finns syh'cstris, about Edinb. Sept. 

 Mr. Greville. 



3. XYLOMA. 



Receptacle (peril hedum) various in form, hard, subcarnose 

 within, remaining closed or opening in various ways. 

 * Many Peritheda united into one body (Majora). 



1. X. salicinum, thick tuberculose, white and cartilaginous at 

 the base within. Pers. p. 103. Iljusd. Disp. Mel/i, Fung, 

 p. 5. t. 2. f. 4. Xylrnna leucocrcas, Decand. Fl. Gall. p. 63. 



HAB. On the upper surface of the leaves of Salix caprcea, at Castle 

 Campbell. Sept. Mr. Greville. 



2. X. acerinuniy maculiform thin contiguous subrugose. Pers. 

 p. 104. 



HAB. On the leaves of Acerpseudo-Platanus, abundant in the autumn, 

 Mr. Greville. 



3. X. rubrum 9 crowded orbicular somewhat confluent orange 

 red. Pers.p. 105. Poly stigma rubrum, Pers. in lilt. Moug. 

 et Nesll. n. 270. 



HAB. On the leaves of Prunus spinosa, Auchindenny woods. Autumn. 



Mr. Greville. 



** Simple. Peritheda solitary, scattered, for the most part rounded, 

 pezizcpform or punctiform (Minora) . 



4. X. alneum, minute scattered roundish plicate. Pers.p. 108. 

 HAB. On fallen leaves of Alnus glutinosa, about Edinb. September. 



Mr. Greville. 



4. TUBERCULARIA. 



Receptacle somewhat hemispherical, sessile. Tubercle filled 

 with a thick, frequently red, fluid. 



1. T. vulgaris, gregarious red siilcato-rugose, receptacle stipiti- 

 form thick pale. Pers. p. 1 12. Sphceria tremelloides, Hopk. 

 Glott.p.lft'l. Tremellapurpurea, IJghtf.p. 901. Clavaria 

 coccineciy Sow. t. 294. 



HAB. On decaying sticks in the autumn. Common upon those of 

 Ribes rubrum, Hopk. ; Mr. Greville. 



2. T. confluens, gregarious confluent flesh-coloured red, tuber- 

 cles small roundish oblong and angular somewhat flat. Pers. 

 p. 113. 



HAB. Dead stems about Edinb. Autumn. Mr. Greville. 



Very near T. vulgaris, but smaller and depressed, paler colour. 



SECT. II. SARCOCARPI. Fungi fleshy, solid. 



5. PILOBOLUS. 



Receptacle stipitiform, pellucid and watery, upon which is fixed 

 a naked vesicle, bursting open with an elastic force. 



1. P. cri/.stallinus, receptacle inflated upwards, vesicle hemi- 

 spherical black. Pers. p.\\7. Mucorwceolalus, Sow. /. 300. 



