Diagnosis sheet for Hypoxylon
Taxon : Hypoxylon                Herbarium  n :	

Substrate:                       leg.:          det.:

Collecting date and locality:
	
Stromata:
	Shape: effused, pulvinate, peltate, discoid, hemispherical.
	Size:          long x          broad x          thick
	Surface:  color:
            	  plane, irregular, wrinkled,	
                  perithecial mounds: lacking, inconspicuous, 
                  conspicuous, perithecia naked
	Subsurface: color:
                  texture: waxy, woody, carbonaceous
	Carbonaceous stromatal layer discretely enclosing each 
	          perithecium: present, absent
        KOH pigments:                                        
        Subperithecial tissue: color:          thickness:
        Odour of underlying substrate:
Perithecia:
        Shape: spherical, obovoid, tubular, long tubular
        Size:          high x          diam
        Number of perithecial layers:
Ostioles:
        Lower than stromatal surface, at the same level as
        Higher than the stromatal surface, color:
        With a disc, without a disc; diam:          
                type: truncatum-type, bovei-type
        Surrounded by white substance, diam:
Asci:
        Total length:          x          broad
        Spore bearing parts: 
        Stipes:
        Apical ring: present, lacking, highly reduced; 
                     size:          high x          broad
                     amyloid, inamyloid.                
Ascospores:                                
        Color: light brown, brown, dark brown, blackish brown
        Shape:         inequilateral, equilateral 
        Size:          M=
        Germ slit: conspicuous, inconspicuous straight, 
                   sigmoid, spore-length, less than spore-length
        Perispore: dehiscent, indehiscent in KOH;
                   ornamentation:
Natural anamorph: present, absent.
        Conidiogenous structure: Sporothrix-like, 
                                 Virgariella-like, 
                                 Nodulisporium-like, 
                                 Periconiella-like.
        Smooth, roughened, coarsely roughened.
        Conidiogenous cells: size:          color:
        Conidia: size:          color:
Notes