Dr. W. Nylander on new British Lichens. 257 



4. Verrucaria analeptoides, Nyl. 



Extus subsimilis analeptce, sed revera forte sola varietas V. ante- 

 cellentis Nyl. (in 'Flora' 1866, p. 86); sporis (1-septatis) 

 longit. 0-036-0050 niillim., crassit. O-009-O'OlO millim. 

 Variant sporse septis (spuriis) 3-5. Paraphyses ssepe laxse. 



Hibernia, Killarney; legit Carroll, 1866. 



5. Verrucaria desistens, Nyl. 



Thallus vix ullus proprius ; apothecia perithecio integro minute 

 (diam. O'l millim.), parte dimidia supera convexa prominula; 

 sporse 8, incolores, fusiformes, 3-5-septat0e, rectse, longit. 

 0'011-0016 millim., crassit. 0003-0004 millim.; para- 

 physes nuUse. lodo gelatina hymenea vinose rubens. 



In Hibernia, Killarney, ad corticem Ilicis legit Carroll 

 (1866). 



Prope V. albissimam locum habeat, sed recedit variis uotis a 

 stirpe V. epidermidis. 



6. Lecanora Hutchinsia, Nyl. 



Thallus pallido-cinerascens vel flavido-cinerascens tenuis, ri- 

 mosus vel rimuloso-diffractus ; apothecia rufo-testacea (latit. 

 O'o millim.), convexa, biatorina; sporse 8, incolores, fusi- 

 formes, l-septatse, longit. 0-010-0'013 millim., crassit. 

 0"0025-0"0035 millim., paraphyses crassulse (crass. 0"0025— 

 0"0035 millim.), nonuihil articulatse, apice incrassato, inco- 

 lore ; hypothecium incolc^'. lodo gelatina hymenea cseru- 

 lescens (cum thecis, quse apice intensius tinguntur). 



Ad saxa in Hibernia (Miss Hutchins ex hb. Carroll.). 



Facies Lecidea cujusdam propinquse vernali, sed theoretics 

 Lecanora, nam spermogonia ut in stirpe Lecanorce subfiiscce, ubi 

 accedit ad erysibem. Sporse tenues et paraphyses crassse speci- 

 men distinguunt. Spcrmatia arcuata, longit. 0-020 millim., 

 crassit. vix. O'OOl millim. 



7. Lecidea aphana, Nyl. 



Thallus griseus, tenuis, subverrucose vel subgranulose ina3qualis, 

 indeterminatus ; apothecia nigra, parvula (latit. 0'2-0"4 mil- 

 lim.), convexula, immarginata, intus albicantia; sporse 8, 

 incolores, ellipsoidese vel oblongse, simplices, longit. 0"008- 

 O'Oll millim., crass. 0-0035-0*0045 milhm., thalamium vage 

 violaceo-fuscescens (epithecio vix obscuriore) ; paraphyses 

 non discretse ; hypothecium incolor (vel interdum vage infra 

 tenuiter violaceo-fuscescens). lodo gelatina hymenea cseru- 

 lescens. 



In Hibernia, prope Kilkee com. Clare, ad saxa (Carroll, 1865). 



