PEL LI A. 445 



2. Pellia Neesiana [Got/.sc/i.), Limpr. 



PelUa epijyhylla, B forma yeesiana, Gottsche in Hedwigia, p. (5i» (]H(i7). 



Pellia Xeesiana, Limpr. in Cohn Krypt. Fl. Schles. 1, p. 329 (1876) ; Jack, 



Flora, p. 81 (1895); Howe Hep. and Antho. of California, p. 7(5 (1890); 



Macvicar, Journ. of Bot. July (1900); Stephani Sp. Hep. p. :'.(;(; (1900). 

 Marsilia N'eesii, Lindb. Muse. Scand. p. 10 (187'9). 

 Pellia N'eesii, Limpr. Kaalaas, Leverm. Norge, p. l.")!', (189;)). 



Dioicous, growing in flat creeping layers, especially the fertile 

 plants, medium to largish in size, not so robust as Pellia epijjlnjlla, 

 dark green to reddish brown, older plants dark brown in colour. 

 Fronds elongate, cuneate, somewhat sparingly dichotomously 

 branched with oblong or linear segments, margin plane or frequently 

 undulate, middle of frond 10-12 cells thick ; radiculose, rootlets 

 numerous, brownish- white. Involucre antical, smooth, perfect, 

 viz., forming a complete ring, cylindrical, longitudinally plicate, 

 mouth truncate, entire or crenulate. Calyptra usually more or less 

 exserted, sometimes included, thick, composed of 5 layers of cells at 

 the base, at apex bistratose. Pedicel hyaline, delicate. Capsule 

 spherical, pale brown, dividing into 4 equal, ovate valves, outer 

 layer of cells nodulose, thickened at the angles, inner layer with 

 numerous semi-spiral rings. Elaters and spores similar to those 

 of Pellia epiphjlla. Male plants simple or bifid, never repeatedly 

 innovantly furcate ; antheridia numerous, imbedded in the frond. 



Fruits in Spring and early Summer. 



Dimensions. — Fronds \ to 1|- in. long by 7 cm. to 1* cm. 

 broad; involucre 1'2 mm. high; calyptra 1'3 mm. high; pedicel 

 3'5 cm. long ; capsule 1'5 mm. diameter. 



Hab. — In wet grassy ground, Moidart, West Inverness, S. M. 

 Macvicar, 1900. Commoner than P. epijjlii/lla, above 3000 ft. on 

 Ben Lawers, Perthshire ; fruit 3200 ft. S. M. Macvicar, 1901. 



Middle and North of Europe. 



North America. 



Obs. — Through the acuteness of Symers M. Macvicar, Esq., I 

 am enabled to add with certainty this distinct species to my 

 list. 



