446 



CLASS BASIDIOMYCETEAE 



Fig. 147. Order Auriculariales, Family Septobasidiaceae. Septobasidium hurtii 

 Lloyd. (A) Vertical section through a portion of the fungus showing a parasitized living 

 scale insect {Aspidiotus) and the hymenium on the upper surface. {In upper portion of 

 figure) (h, ha) Epibasidium; {ph) hypobasidium ; {Sp) spore; {ys) young scale insect; 

 {Fs) fruiting surface of fungus; {tl) top layer of fungus; {hi) bottom layer of fimgus; 

 {arrow) tunnel in fungus. {Referring to host plant) (6) Bark; (c) cambium; {nc) medul- 

 lary ray. {Referring to parasitized insect and sxirrounding fungus) {Fm) Enveloping 

 fungus mat; {ct) fungus thread connectmg fungus mat with insect; (C) coiled hausto- 

 rium within insect; {ss) spindle-shaped threads within insect; {St) stylet; {sh) sheath 

 secreted around stylet. {01, Stg, Ph, rp, gl, ov) Various organs of the insect. 



