LICHEN PROM BEN LAWERS. 25 



are only Im'o apothecia left, I do not care to destroy eitter ; but if 

 one may judge by analogy in the case of another lichen belonging 

 evidently to the same group, and growing on the same moss, this 

 reaction is cceralescent, then vinous-red. 



I cannot recall any lichen belonging to this section with such 

 spores, which in size and shape resemble very much those of Verru- 

 caria micula (Ach.), Perhaps Mr. Crombie may suggest one 

 analogous, if not identical ; for althougb his conjectures (and they 

 are no better) with respect to Lecidea epipliorbia and L. didymo- 

 spora being identical with L. Heerii (Hepp.) and L. affinis var. 

 melina (Kphb.) are entirely wrong, as stated in a recent number of 

 the " Journal of Botany," yet, inasmuch as the members of the 

 present group are rather widely diffused throughout Northern 

 Europe, it is possible, in the scattered state of the literature of the 

 subject, that this lichen may have been described in some publica- 

 tion not hitherto accessible to me. 



BRITISH HEPATIC^. 



The second part is just issued of Dr. B, Carrington's " British 

 Hepaticai" (London: Hardwicke), imiform with the third edition 

 of Sowerby's Botany. It will be admitted that this long-promised 

 work is a desirable addition to our cryptogamic literature, and that 

 no one was more calculated to produce such a work with satisfac- 

 tion than its present author. At present no details or explanation 

 of the system of classification, or introduction to the structure of 

 the group has been given, but we learn that it is in contemplation 

 to issue these introductory observations simultaneously with the 

 descriptive portion, so that students will not have to wait for them 

 till the completion of the work. The following are the species and 

 the order in which they occur in the two parts already issued : — 



Scalius Hookeri, Or. <£.• B., pi. i., f. 1. 



G.' mnomitrium concinnatum, Ca , pi. i., f. 2. 



,, coralloii^es, N ah. E.,pl. i., f. 4. 



,, crenulatum, G., pi. i., f. 3. 



Nardia sphacelata, C, pi. ii., f. 5. 



„ emarginata, G. <fc B., pi. ii., f. 7. 



„ Fuukii, C, pi. ii., f. 6 (ex parte). 



„ adusta, C, pi. ii.,.f. 6 (ex :p arte). 



„ revoluta, Lindb. 



„ scalaris, G. d; B. 



„ Carringtonii, Balf, pi. x., f. 31. 



,, compressa, G. & B., pi. iii., f. 9. 



„ obovata, (N. ab. E.), pi. xi., £. 35. 



,, hyalina, Lyell, pi. xi., f. 36. 

 Trichocolea tomeutella, Dum., pi. x., f. 32. 

 Acrobolbus Wilsonii, N. ab. E., pi. x., f. 33. 

 Saccogyna viticulosa, Bum., pi. ix., f. 28. 



Each part contains four plates, either coloured or plain, and each 

 plate several figures. 



