XXXV 



ADDENDA. 



p. 70. Under Neclcera pumila, insert 



N. Philippeana, Br. $ Schimp. has been found in Scotland, but it is 

 only a state of N. pumila. 



p. 104. Before H. molle, insert 



43*. H. eugyrium, Schimp.; tufted ; stems short, much branched ; leaves 

 crowded, thin, elongated, flexuoso-falcate, deflexed, nerveless, serrulate at the 

 tip only ; sporangium shorter ; ring very broad. 



On wet rocks, Bangor, W. Wilson. Bearing fruit in summer. 



This is Hypnum palustre, var., Br. Brit. 



p. 108. After Hypnum cordifolium, insert 



49*. H. giganteum, Schimp. ; dioicous ; stem elongated, stout, pinnate 

 or subbipinnate, ramulose, slightly radiculose ; stem-leaves large, more solid, 

 very concave, spreading, broadly cordato-ovate ; nerve reaching nearly to the 

 tip; angles decurrent; branch-leaves elongated; terminal twisted, subulate; 

 sporangium horizontal, oblongo-cylindrical, ringless ; lid mammillary. 



In bogs, Cheshire, W. Wilson. Bearing fruit in early summer. 



A magnificent species, at once distinguished from H. cordifolium by its in- 

 florescence. 



p. 117. Under Hypnum aduncum, insert 



Hypnum adtincum, var. tenve, Bryol. Eur., is H. vernicosum, Lindberg, and 

 H. pellucidum, Wils. MSS., and has been found at Wybunbury bog by Mr. 

 Wilson. 



p. 145. After Myurella julacea, insert 



2. M. apiculata, Schimp. ; stem soft, brittle ; leaves loosely imbricated 

 or spreading, opaque, suddenly apiculate ; tip recurved ; teeth of peristome 

 small, pale. 



On rocks amongst the Breadalbane mountains, Mr. Gardner. Bearing fruit 

 on the Continent in summer. 



Bright glaucous-green. 



p. 169. Before Bartramia ithyphylla, insert 



1*. Bartramia Stricta, Brid. ; tufted ; leaves erecto-patent, lanceolajo- 

 subulate ; nerve excurrent ; sporangium erect, symmetrical ; peristome single. 



On the ground, Sussex, Mr. Mitten. Bearing fruit in early summer. 



The simple peristome and aristate nerve, in addition to the erect sporangium, 

 readily distinguish this from B. ithyphylla. 



Mr. Wilson believes that he has found B. marchica in Shanklin Chine. 



