

rUNOl LICHKNES. 29 



or spread out and turned back* Asci not projecting 

 beyond th- paraphyeee. 



Morchella. Hymenium-bearing portion of the sporocarp 

 conical, ovoid or seldom almost spherical, having the surface 

 made up of pit-like depressions between a network of eleva- 

 tions ; stalk hollow. 



Helvella. Ilymenium-bearing portion of the sporocarp, rnit- 

 riform to bell-shaped, the margin being turned over and down- 

 wards, irregularly lobed, swollen and bladder-like, surface 

 smooth or uneven ; stipe mostly hollow and chambered. 



Geoglossum. Ilymeniuiii-bearing portion of the sporocarp 

 tongue-like, blunt, somewhat compressed, well marked off from 

 the stipe. 



lb. Sporocarp waxy, soft or fleshy, p>utrescent, cyatlu form, 

 bowl-sJiaped, saucer-shaped, or cushion-shaped ; hy- 

 menium <>n the upper or concave surface, mostly col- 

 ored darker than the rest of the sjiorocarp, or at least 

 of a different color. Asci not projecting btyond the 

 2)araphyses. 

 Peziza. Varying from about one millimetre to several centi- 

 metres in diameter. Often highly colored. 



1 c. /Sporocarp gelatinous or sub-gelatinous, cyathiform, 

 boicl-shaped or cushion-shaped. Asci when mature 

 projecting beyond the parapjhyses. 

 Ascobolus. Sporocarp, sessile or short stalked, when ma- 

 ture cyathiform or bowl-shaped, with a distinct border, never 

 over a few millimetres broad ; hymenium punctate from the 

 projecting dark-spored asci. Growing almost exclusively on 

 excrement. 



Bulgaria. Sporocarp much as in Ascobolus, often cushion- 

 shaped, about one to two centimetres broad ; hymenium uni- 

 formly black. Growing on old logs. 



LICHENES. Genera: 



1 a. Apothecia with an exposed hymenium. 

 2 a. Apothecia circular or nearly so. margined (at least 

 when young) by a thaUim ezeiplej Jiymenium con- 

 cave, or becoming convex with age. 



