EECENT ADDITIONS TO THE BRITISH LICHEN-FLORA. 359 



excedit, putamen 1 poll, et quod excedit ; pinnia 33-34-jugis, 

 pectinatis ; caudice aculeis nigris ad nodia in circulos digestis 

 armato ; rachibus tomentosis, aculeatis." B. socialis, Mart. 

 ** Fructibus ovalibus, acuminatis "025™ x "OlS™, putamen sub 

 •018", albido; pinnis 33-jugis pectinatis dissitioribus ; 

 caudice aculeis compressis ad internodia armata ; costa (rachi) 

 setis badiis dense vestita, aculeata ; spadicis pedunculo 

 aculeis horrido ; spatha interiore aculeis subsp. Gaviona. 

 *** Fructibus ut in B. Gaviona ; pinnis 29-jugis, 2-7-natim 

 aggregatis ; caudice ad nodia aculeis annulato ; costa aculeata, 

 nee setosa ; spadicis pedunculo aculeolis badiis velutino nee 

 aculeato ; spatba subinermi . . • subsp. Curuena. 

 Q,Q,Q. Spadice, setis badiis velutino, ramos 6-8 tenues proferente ; 

 spatha interiore extus pelli animalis hirsutoe simili ; fructi- 

 bus ovatis, longe cuspidatis, fuscis, setosis; pinnis 20-21- 

 jugis, lanceolatis, subfalcato-cuspidatis, supra venis trans - 

 versis striatis, subtus pilosulis ; vagina petiolo et costa badio- 

 pilosulis . . , . B. turbinocarpa, Barb. Hod. 



Species intce sedis. 

 Caudice humili, inermi ; foliis sub T 5 "; petiolo glabro ad basin 

 aculeis nigris armato ; pinnis 30-35-jugis, concinnis, pectinatis_. 

 lineari-lanceolatis, supra ad venam mediam, subtus ad venas 

 apicem versus, et ad margines setoso- ciliatis ; spatha interiore 

 aculeata ? ; spadice ramoso, pedunculo aculeis nigris brevibus 

 horrido ; rachi producta ramos 7 edente. . . B. syagroides. 

 {To he continued.) 



RECENT ADDITIONS TO THE BRITISH LICHEN-FLORA 

 By the Rev. J. M. Ceombie, F.L.S. 



The following very considerable and interesting list of new, rare, 

 or hitherto overlooked species and varieties of Lichens detected in 

 Great Britain and Ireland, since my last notice in Journ. Bot 1875, 

 p. 140, and of which I have duly seen specimens, has now to be 

 recorded. 



1. *Collema hypergenum, Nyl. in Flora, 1876, p. 232. — On stones 

 of Tullywhee Bridge, Kylemore, Galway (Larbalestier) ; a subspecies 

 of C. melcunum, with larger spores. 



2. Leptogium lolacinum (Ach.) = Cornicularia Umhauensis, 

 Auersw. — Amongst Mosses on trunks of trees and rocks. Barcaldine, 

 Argyleshire (Crombie) ; Snowdon, Wales (E. M. Holmes). 



3. Collemopsis Arnoldiana (Hepp.) — On calcareous stones, near 

 Cirencester, Gloucestershire (W. Joshua). 



4. Calicium elassosportim, Nyl. in Flora, 1875, p. 441, sp. n. — On 

 putrid trunks of Alders. Glen Lochay, Perthshire (Crombie), 



5. Stereocaulon evolutum, Graewe. — On rocks. Barcaldine, 

 Argyleshire. (Crombie) ; near Kylemore, Galway (Larbalestier). 



