94 



AGARICACE/E Pleurotus 



427. P. pulmonarius Quel. (from its lung-like texture; pulmo, 



a lung) a c. 

 P. plane, smooth, ashy or rufous. St. lateral, whitish. G. 



decurrent or adnato-decurrent, whitish or ashy. 



Solitary, rarely csespitose. Trunks, beech. Sept. 2 x f X i in. Var. 

 juglandis Karst. grows on walnut. 



428. P. serotinus Gill, (from its late appearance ; serotinns, late) a b c. 

 P. reniform, olivaceous. St. lateral, brilliant deep yellow, 



squamulose, spotted near gills, somewhat rich brown. G. 

 crowded, sinuato-decurrent, cream ochre to bright yellow or 

 orange. 



Taste insipid ; odour apple-like. Trunks, posts, ash, birch, hornbeam, alder, 

 beech ; rails. Oct. -Dec. 2 X f X in. 



429. P. mitis Quel. (from its taste ; mitis, mild) a b c. 



P. reniform, gristly, without a viscid pellicle, pale flesh-colour or 



tan. St. lateral, minutely scaly, whitish flesh-colour or tan. 



G. somewhat rounded, white. 

 Taste and odour almost obsolete. Dead trunks, sticks, fir, larch. Oct.- 



Dec. | X | X | in. Sometimes if in. in diam. Somewhat like 1444 in 



general appearance. 



429a. P. ruttpes Sacc. & D. Sacc. (from the reddish stem; rnfus, 



red, pt-s, a foot) a b. 



P. dimidiate or reniform, convex, membranous, very glutinous 

 when moist, white ; mid. salmon ; marg. incurved. St. becom- 

 ing recurved, vinous-reddish, salmon-red within, white in centre, 

 base white-downy. G. adnate, broad, distant, white, interstices 

 pale salmon. 

 On wood. Autumn. X T 3 5 X $ in. 



430. P. GADINIOIDES Sacc. (from its resemblance to the bivalve 



Gadinia ; Gr. eidos, appearance) a b c. White. 

 P. convex, hygrophanous, smooth or clothed with adpressed flocci, 



no gelatinous upper stratum. St. minute, lateral or none. G. 



adnate, slightly branched. 

 Tree-fern stems. May. Diam. | in. Reniform as seen from below. 



431. P. limpidus Gill, (from its pellucid substance ; limpidns, clear) 



a b c. 



P. reniform, plane, subumbonate, whitish. St. sublateral, 

 rudimentary or obsolete. G. sinuato-decurrent, white or straw- 

 whitish. 



Taste mild. Stumps, ash, willow, beech. Dec. Diam. ij in. 



432. P. reniformis Karst. (from the kidney-shaped pileus ; rems, a 



kidney, forma, form) a. 



P. plane, whitish, or greyish-brown. St. lateral, rudimentary. 



G. sinuato-decurrent, paler than P. 



Branches, silver fir, on the ground amongst moss. Aug. -Oct. Diam. I in. 



