202 



as there appears to be a much closer affinity with the Nidulariacei, 

 •we have placed them next to Phalloidei. 



Genus 70. Cyathus.* P. 



Peridium composed of three closely connected membranes, at 

 length bursting at the apex, and closed by a white membrane ; 

 sporangia plane, umbilicate, attached to the walls by an elastic 

 cord. 



1. Cyathus striatus, Hofm. B., pi. 2, fig. 3. Sow., t. 29, 

 Rudlow. Not very common in our district. 



2. C. vernicosus, B.C. Halse, Somerset. Not common near 

 Bath. 



The only British species. 



Genus 71. CRUCiBULUM.t TuL 



Peridium consisting of a spongy, fibrous felt, closed by a flat, 

 furfuraceous cover of the same colour ; sporangia plane, attached 

 by a long cord, springing from a little nipple-like tubercle. 

 I. Crucibulum vulgare, Tul. B., pi. 2. Sow., t. 30. On feni, 



sticks, &c. Bowood and Hanham. Not uncommon. 

 The only British species. 



Genus 72. Nidularia.J Tul. 



Peridium sessile, globose, formed of a thin, simple membrane of a 

 homogeneous, cottony texture, at first closed, at length torn and 

 disintegrating, or bursting at the apex with a circular, naked, 

 even, or undulated mouth. Utricles tubercular from the 

 contained peridiola, without a true veil ; sporangiola numerous, 

 disk-shaped, minute, involved in a copious gelatine, by a thick 

 coat of which they are sometimes clothed ; not adhering to the 

 peridium ; funicle none ; external coat, thick and cottony ; 

 sporangiola horny, when moist scissile, either containing numerous, 

 minute spores not mixed with threads, or indivisible with threads 

 massed together in the centre. 

 1. Nidularia pisiformis, Txd. Has not been found in the district. 



* From Cyathus, a goblet. 

 t From crucibulum, a crucible, modem Latin. J From nidulus, a little nest. 



