Fig. 
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44, 
45. 
46. 
47. 
48. 
49. 
50 
51. 
52. 
53. 
= 
EXPLANATION OF PLATES. 285 
Spherophoron compressum, Ach., var. australe, Laur., from New Zealand. Specimen re- 
sembling S. coralloides, Pers., in its terminal spermogones a. 
S. compressum, Ach., from the Auckland Islands, Portion of end of one of thalline 
segments, magnified to show the apothecia a, and the grouped spermogones b. 
Portion of a ramuscle, bearing spermogones a, still more highly magnified. 
S. compressum, Ach., from Tasmania. Sterigmata and spermatia, with the network of 
elongated ramose filaments, which occupy the cavity of the spermogone a, 
S. coralloides, Pers., from Cleveland, Yorkshire, showing abundance of terminal papilla- 
form brown spermogones a. 
Tip of one of the spermogoniferous ramuscles more highly magnified, showing the ostiole a, 
Section of one of the spermogones. ‘The letters have the same references as in fig. 30. 
Sterigmata and spermatia of same species. 
S. fragile, Pers., from Craig-y-Barns, Dunkeld. Portion of the thallus, showing the same 
terminal spermogones a as in S. coralloides, Pers, 
S. tenerum, Laur., from Hermite Island, Cape Horn, Portion of thallus magnified, show- 
ing the grouped spermogones a. 
Prate VII. 
Illustrative of the genus Craponia, Hoffm. 
Cladonia deformis, Hoffm., from Ben Nevis. Portion of a podetium, showing the barrel- 
shaped spermogones a. 
. The same spermogones isolated and much more highly magnified : a, ostiole. 
. Section of one of the same spermogones: a, ostiole; 6, cavity; c, inner wall of spermo- 
gone consisting of sterigmata; d, gonidia; e, medullary tissue; /, cortical layer of 
thallus. 
. C. deformis, Scherer exs., 49. Podetium, showing pycnides b, black, punctiform, immersed. 
. C. bellidiflora, Scher.; Ben Nevis. Portion of a podetium, showing brown barrel-shaped 
spermogones a. 
. One of the thalline folioles, with its spermogone more highly magnified: a, ostiole; 6, 
body of spermogone. 
. C. bellidiflora, Ben Nevis: a, apothecium; 0b, terminal spermogones resembling those of 
C. rangiferina. 
. C. bellidiflora, Scherer exs., 39. Spermogones a, on a scyphus 6, 
. Three of the same spermogones highly magnified : a, ostiole ; 6, body of spermogone; c, thal- 
line papilla. 
. A barrel-shaped spermogone, also highly magnified : a, ostiole; 6, body. 
. C. uncialis, Hoffm.; Scherer exs., 82. End of a podetium, showing the terminal horn-like 
spermogones a. 
. Variously-shaped spermogones of the same species magnified: a, ostiole; b, body. 
. Terminal spermogones a, on podetia resembling those of C. rangiferina. 
. C. uncialis, deformed from being the seat of Lecidea cladoniaria mihi, whose pyenides, b— 
black, punctiform, immersed—resemble spermogones: a, spermogones of C. uncialis. 
. Section of deformed bullose portions of thallus of C. uncialis, from Birnam Hill, Dunkeld, 
showing the immersed pyenides of Lecidea cladoniaria mihi: a, old; b, young. 
. Sterigmata a, and stylospores 6, of above pycnides : c, free stylospores, some of them with 
oily contents. 
. C. aggregata, Sw., Eschw. » Portion of thallus, showing the terminal barrel-like spermogones 
at a. 
. Portion of thallus, containing on same podetium apothecia a, and spermogones b. 
. XXII. PART I. 2D 
