Pterula 



CLAVARIACE^E 



439 



XCIV. PTERULA Fr. 

 (From a fancied resemblance to a little wing ; Gr. pteron^ a wing.) 



Subcartilaginous, filiform, arid, stemmed or stemless, branched in 

 the two British species, subulate, apices attenuato-acute ; branches 



Fig. 109. A, Pterula subulata Fr., natural size ; B, single branch of ditto, c, basidium 

 and spores of P. midtifida Fr., X 500. 



somewhat anastomosing, pubescent then smooth. Basidia tetra- 

 sporous. When young the stems and branches are considerably 

 thicker than when mature. (Fig. 109.) 



The cartilaginous substance indicates a relationship with Tremel- 

 linacecB and Calocera ; the basidia and spores are typical of the 

 CZavariacece. Species 1983, 1984 



1983. P. subulata Fr. (from the awl-shaped branches ; subula, an 

 awl) a c. 



Densely crowded, sparingly branched, tense, equal, the thread- 

 like smooth branches multifid at the acute apiece, whitish- 

 cinereous, becoming yellowish. 



On wood, amongst pines, gardens. i in. 



1984. P. multifida Fr. (from the many branchlets ; multus, many, 



findo, to cleave) a b c. 



Very much branched, very delicate, flaccid, branches tense, 

 straight, usually hair-like, variable in thickness, apices attenuate, 

 pointed, base sometimes thick or with several confluent stems, 

 at first pallid whitish then dull pale yellowish or sulphury- 

 brown. 



Branches, leaves, bases of dead ferns, etc. Sept.-Nov. 2 in. 



