20 
NEW BRITISH LICHENS. 
8. Vexrucarina sparsula. Nyl. Thallus dark-olive or olive- 
brown, very minutely granulose, scattered ; apothecia subglobulose, 
at length often somewhat depressed above, py renium entire, black, 
thin ; spores 8 nae., colourless, ellipsoid, 3 septate, 0’023-27 mm. 
long, 0'010-13 mm. thick, paraphyses none ; hymeiiial gelatine, 
wine-red with iodine. 
On cretaceous stones, Dorking and Reigate Hill, Surrey 
(Joshua). The thallus is gonimic, and almost as in CoUemopsis. 
LICHENES BRITANNICI EXSICCATI. 
Editit Rev. J. M. Crombie. 
Centuria II. 
No. 
101. Pterygium Lismorense. Cromh. 
102. Collema furvum. Ach. 
103. Collema stygium. {Del.) 
104. Collema nigrescens. [Huds.) 
105. Collema aggregatum. {Ach.) 
106. Leptogium plicatile. {Ach.) 
107. Leptogium subtile f. latiusculum. Nyl. 
108. Leptogium lacerum f. fimbriatum. Hffm, 
109. Leptogium sinuatum. {Huds.) 
110. Leptogium tremelloides. {L.) 
111. Calicium elassosporum. dSFyl. 
112. Calicium lenticulare. Ach. 
113. Calicium curtum. Borr. 
114. Trachylia tympanella. {Ach.) 
115. Gomphillus calicioides f. microcephalus. {Tayl.) 
116. Bseomyces rufus f. sessilis. Nyl. 
117. Baeomyces roseus. {Pers.) 
118. B^eomyces icmadophilus. {Ehrh.) 
119. Stereocaulon coralloides. Fi'. 
120. Stereocaulon evolutum. Graewe. 
121. Pycnothelia papillaria. {Ehrh.) 
122. Cladonia alcicornis. {Lglift.) 
123. ^Cladonia pungens. Elk. 
124. Cladonia squamosa. Hffm. 
125. Roccella fuciformis. {L). frt. 
126. Alectoria ochroleuca. {Ehrh.) 
127. Alectoria bicolor. {Ehrh.) 
128. Alectoria jubata (prolixa). Ach. frt. 
129. Ramalina Curnowii. Cromh. 
130. Ramalina pollinaria. Ach. saxicola. 
131. Ramalina evernioides. Nyl. 
132. Platysma cucullatum. {Bell.) 
