456 HEPATIC^. 



5. Aneura sinuata (Dids.), Bum. p.p. 



Lichenastrum chmncedryos mioltifidcp. divisura, Dill. Hist. Muse. pp. 511, t. 74, 



f. 14b (notf. 44a) (1741). 

 Jungermania sinuata, Dicks. PI. crypt. Brit. fasc. '2, p. 16 (1790). 

 Jungermania multifida, var. sinuata, Hook. Brit. Jung. t. 45, f. 2 (181G). 

 Aneura sinuata, Dum. Comm. Bot. p. 115 (1822). 



Aneura pinnatifida, N. Carr. Irish Crypt, p. (1863), and of many others. 

 Eiccardia multifida, var. major, Lindb. Hep. Hibern. (1875) ? 

 Riccardia latifrons (Lindb.), var. sinuata (Dicks.), Lindb. Muse. Scand. p. 5 



(1879) ; Kaalaas Leverm. Norge, p. 213 (1893). 



Monoicous, growing in flat spreading patches, medium size, 

 pale green in colour. Fronds prostrate, imbricating, flat, irregu- 

 larly divided, branches irregularly pinnate or bipinnate ; thin, the 

 whole breadth almost equal in thickness ; cross-section linear ; 

 cells oblong-rhomboid. Female flowers lateral; bracts very 

 short. Calyptra oblong, clavate, smooth. Capsule oblong, dark 

 brown ; spores pale brown, same size as the thickest portion of 

 the elaters ; elaters unispiral, reddish-brown. Androecia lateral, 

 situated near the female flower, oblong-oval ; antheridia oval, 

 8-10 in two rows, imbedded in the male catkin. 



Fruits in Spring. 



Dimensions. — Stems 1 to Ij inch long, 2* mm. broad, 

 •2 mm. thick, branches '5 mm.-l'5 mm. broad; calyptra 3" mm. 

 X "8 mm.; capsule 1" mm. x "6 mm.; spores "02 mm.; elaters 

 •4 mm. X -02 mm. ; andrcecia "8 mm. x '4 mm. 



Hab.— On wet dripping perpendicular rocks in shady situa- 

 tions. Rare. 



7. Arthog, Dolgell}^ Tyn-y-Groes, Merionethshire, Dr. 

 CarrlngioR §' JF. H. F. 12. Borrowdale, Cumberland, W.H.P. 

 Isle of man, G. A. Holt. 



I. Killarney, Cromaglown, Tore Cascade, Dr. Carrington and 

 others. 



Obs. — Distinguished from Aneura midtifida (L.) and Aneura 

 latifrons Lindb. by its larger size, thinner fronds and smooth 

 calyptra. 



It is a somewhat rare species, and, so far as I know, is only 



