542 S. O. Lindberg. 



Appendix. 



Zygodon aristatus n. sp. Lindb. 



Dioicus, ramosus, parce racliculosus ; foUa densa, erecto-pateiitia, stricta 

 vel parum apice recurvula, non nihil carinata, elongate lanceolata, obtnsiu- 

 scula vel acutiuscula, alis iii apice insequilongis, eadem unius lateris (vulgo 

 sinistri) etenim altius in nervo surgente, margine ob papillas minutas crenu- 

 lato, nervo luteo, crasso, dorso valde prominente, nt arista, longa et crassis- 

 sima, subterete, pungente, fragili, superne laivissima, excurrente, a cellulis 

 pleurenchymaticis, laîvissimis, summo apice tamen a cellulis oblongis — ovali- 

 bus et parum papillosis constructo; celhdœ omnes raajusculœ et valde ineras- 

 satse, basilares ovali-rectangulares vel -quadratae, lœvissimse, ceterse subro- 

 tundjç, ad circuitura incrassatum papillas 2—5 acutas et humiles gereutes. 



Comit. Kerry, Killarney, Croraaglown, Z. conoidi interraixta ad fagum 

 (ster.) et Muckross Demesne, in eodem c<espite Z. viridisshno et conoidi as- 

 sociata ad corticem fagineum (ster.). — Anglia, comit. Devons/lire, Plymouth 

 ad aggerem, a saxis calcareis constructum (1867, E. M.Holmes). Suecia, 

 prov. Skåne, ad fagum, una cum Z. viridissimo, in monte Skärali (Julii 1 860 

 S. 0. L.) et ins. Gotland, in fissuris siccis rupium calcarearum ad Koppars 

 vik et in scopulo, Predikstolen dicto, juxta Snäckgärdet in vicinitate opp 

 Visby, in monte Hoburgen et ins. Stora Carlson (Junii 1865, S. 0. L.). 



Notis datis e Z. viridissimo et conoide optime diversa species, ad hoc 

 tempus sterilis solum lecta. 



Rhacomitrium obtusum (Dill.; Sm.) Lindb. 

 Dioicum, vulgo pulvinatum, sat robustura, densum et humile, ramis erec- 

 tis et strictis, fere semper brevissime ramulosis, accrescenti-foliatis ; f'olia sem- 

 per perfecte imberbia, undique patenti-erecta, stricta, ovato-oblonga, sensim 

 acutissima, apice summo obtusa, superne profunde carinata, margine in api- 

 cem usque conformiter et auguste revoluto et integerrimo, nervo canaliculato 

 longe infra apicem dissoluto, cellulis laîvissimis, fere omnibus rectangularibus, 

 in margine unistratosis; perichœtium apicale in ramis; seta brevis et crassiu- 

 scula; theca oblouga, ore valde angustata; anmdns crassus, triplex; peristo- 

 mium minutum, humile et fugax, annulum vix vel parum superans, irreguläre, 



