EXPLANATION OF THE PLATES. XI 



3. A. mutabilis, with section, nat. size. 



4. A. fastigiatus, one-third nat. size, with section nat. size. 



5. A. rimosus, two-thirds nat. size, with section nat. size. 



6. A. trechisporus, with section, nat. size. 



PLATE IX. 



1. A. crustuliniibrinis, with section, nat. size. 



2. A. longicaudiis, with section, nat. size. 



3. A. melinoides, nat. size, with section magnified. 



4. A. semiorbicularis, nat. size, with section magnified. 



5. A. reticulatus, with section, nat. size. 



6. A. mollis, with section, nat. size. 



7. A. Rubi, nat, size, with section magnified. 



PLATE X. 



1. A. variabilis, nat. size, with section magnified. 



2. A. campestris, dark var., two-thirds nat. size, with section nat. 

 size. 



3. A. campestris, another variety, with section, nat. size. 



4. A. arvensis, small specimen. 



5. A. cretaeeus, two-thirds nat. size, with section magnified. Variety 

 with the stem less decidedly sunk into the pdeus. 



6. A. squamosus, two-thirds nat. size, with section nat. size. 



PLATE XI. 



1. A, fascicularis, with section, nat. size. 



2. A. velutinus, mth section, nat. size. 



3. 4. A. appendiculatus, in different conditions, nat. size, with sec 

 tions slightly magnified. 



5. A. Foeniseeii, nat. size, with section magnified. 



6. A. fimipntris, nat. size, with section slightly magnified. 



7. A. separatus, two-thirds nat. siz(!, with section nat. size. 



