444 DESCRIPTION OF PLATES. 



ascus, showing the operculum open through which the sporidia have 

 escaped; e and/, sporidia in different stages of growth, the one at / 

 beine surrounded by a gelatinous envelope, c, d, e, and/ x 400 times. 



Fig. 57. — a, Ryparobius Cookei, a group the nat. size ; b, a group 

 slightly magnified ; c, a section more highly magnified ; d, an ascus 

 and paraphyses ; e, eight sporidia, showing variation in size and shape. 

 d and e x 400 times. 



Fig. 58. — a, Ascophanus testaceus, a group the nat. size seated on 

 a piece of old sacking ; b and c, cups magnified ; d t an ascus with a 

 paraphysis ; e, six sporidia. d and e x 400 times. 



Plate X. 



Fig. 59. — a, Bulgaria inquinans, a group the nat. size seated on a 

 piece of wood ; &, a section of a cup ; c, two asci in different stages of 

 growth with paraphyses ; d, sporidia removed from an ascus. c and d 

 x 400 times. 



Fig. 60. — a, Vibrissea truncorum, a group the nat. size ; b, a section 

 somewhat enlarged ; c, an ascus and paraphyses ; d, a filiform sporidium 

 removed from an ascus. c and d x 400 times. 



Fig. 61. — a, Vibrissea Guernisaci, a group the nat. size; b, one cup 

 enlarged; c, section of a cup; d, ascus and paraphyses; e, a filiform 

 sporidium detached from an ascus. d and e x 400 times. 



Fig. 62. — a and b, Ombrophila clavus, in two forms, nat. size ; 

 c, section of a larger specimen; d, ascus with paraphyses; e, six 

 sporidia. d and e x 400 times. 



Fig. 63. — a, Calloria vinosa, a group the nat. size ; h. two cups 

 magnified ; c, a section ; d, two asci with paraphyses having globose 

 heads; e, seven sporidia, showing variation in their form and size. 

 d and e x 400 times. 



Fig. 64. — a, Enccelia fascicularis, a group the nat. size ; b, a section 

 of a cup; c, two asci, the one immature, the other mature; d, four 

 sporidia. c and d x 400 times. 



Fig. 65. — a, Dermatea cinnamomea, several clusters the nat. size ; 



b, a cluster breaking through the epidermis of the bark, magnified ; 



c, a section of a cluster more highly magnified ; d, an ascus and para- 

 physis ; e, six sporidia in different stages of development, those with 

 septa being most mature, d and e X 400 times. 



Fig. 66. — a, Cenangium Prunastri, the nat. size, bursting through 

 the epidermis of the matrix in tranverse elongated clusters ; Z>, a cluster 

 of ascigerous cups magnified ; c, showing another cluster, and at a little 

 distance, on the same piece of wood, a cluster of awl-shaped pycnidia ; 



d, a section of a cluster, showing the pycnidia associated with the 

 acigerous cups ; e, a fragment of the interior of a pycnidium, showing 

 the filiform sterigmata, on the summits of which are produced the 

 stylospores/; g, three asci, one of which is immature, surrounded with 

 the adherent paraphyses; h, nine sporidia. e,/, g, and h x 400 times. 



