ON THE STRUCTURAL ANATOMY OF FUNGI. 21 



Pulvinate, cnshion-like, thick and soft. 



Radiate, streaks or ribs diverging oyer surface from the centre. 



Reniform, kidney- shaped, like a crescent with rounded apices. 



Repand, spreading out with an uneven margin. 



Resupinate, the upper surface turned downwards by twisting 

 growth. 



Revolute, rolled backwards at the margin, out of the ordinary 

 direction. 



Rigid, firm, stifi^, unyielding. 



Rimose, Rimulose, surface broken by chinks and cracks. 



Rivulose, surface finely channelled or grooved. 



Rounded, rotund, with blunt margin. 



Rugose, Rugulose, covered with wrinkled lines, the interspaces 

 being convex. 



Satiny, glossy like satin. 



Scabrous, rough to the touch. 



Scaly, covered with scales, which are usually fibrous. 



Sericeous, Silky, covered with close matted hairs, silky to the 

 touch. 



Sessile, without any stem. 



Sinuate, having the margin deeply waved. 



Sleek, smooth and glossy on the surface. 



Smooth, surface presenting no inequalities ; usually glabrous, 

 but not necessarily so. 



Soft, very tender and yielding to the touch. 



Spatulate, shaped like a spoon or spatula. 



Squamose, Squamulose, covered with coarse or fine scales. 



Squarrose, surface rough, with projecting scales. 



Stipitate, provided with a stem. 



Sub, a prefix diminishing the force of terms, meaning slightly. 



Sulcate, the margin furrowed, indented like the milling of a 

 coin. 



Tesselate, when the surface appears cracked into little squares. 



Thin, when of sligbt substance throughout. 



Tuberculosa, covered witb little irregular pimples. 



Umbilicate, having a slight central depression on the top. 



Umbonate, having a slight elevation or boss on the centre of 

 the upper surface. 



Undulate, surface waved and uneven. 



Velvety, having the surface like velvet. 



Verrucose, surface covered with adherent warts. 



