79 
colonies; ameboid, very irregular; rhizoid, branched, root¬ 
like structure; curled, filaments in strands like curly hair; 
myceloid, filamentous, with the character of a mold. 
( b) Size, approximate, expressed in millimeters. 
FIG. 26—SURFACE ELEVATION OF COLONIES 
a, flat; b, spreading; c, raised ; d, convex; e, capitate; f, umbilicate; g, umbonate 
(c) Surface elevation (See Fig. 26): flat; spreading; raised; con¬ 
vex; surface a segment of a circle; capitate;surface a hemisphere 
umbilicate, depressed in the center; umbonate, elevated at 
the center. 
(rf) Topography of surface: smooth; contoured, smoothly undulat¬ 
ing, like the surface of a relief map; rugose, short, irregular 
folds due to shrinkage; verrucose, growth wartlike, with wart¬ 
like prominence. 
II. Microscopic appearance. Draw a section and edge of the colony. 
FIG. 27—INTERNAL STRUCTURE OF COLONIES 
1, amorphous; 2, finely granular; 3. coarsely granular; 4, grumose; 5, gyrose; 6, reticulate; 
7, filamentous 
1, amorphous, 2, finely granular; 3, coarsely granular; 4, grumose; 5, gyrose; 
6, reticulate; 7, filamentous 
(a) Internal structure (See Fig. 27) amorphous, no definite struc¬ 
ture; finely granular, coarsely granular; grumose, appears clot¬ 
ted; gyrose , showing chinks or cracks; reticulate, netted; 
filamentous , tangled wavy threads. 
FIG. 28—EDGES OF COLONIES 
8, entire 9, undulate; 10, repand; 11, anriculale; 12, lacerate; 13, fimbricale; 14, ciliate 
