SCAPANIA. 219 



Description of Plate LXXXV. — Fig. 1. Plants natural size. 

 2. Portion of stem x 24 (Scotland, Sim). 3-5. Leaves x 24 

 (G. & li. n. 225). 6-8. Leaves of var. mijwr x 24 (Ardingley, 

 Davies). *J. Portion of leaf x 290 (New Galloway, J. McAndrew). 

 10. Perianth x 1 6 (ditto). 11. Portion of the mouth of perianth 

 X 85 (ditto). 12. Gemmae x 290 (Ardingley, Davies). 



7. Scapania ornithopodioides {DHL iFifher.), PeavH. 



Lichenastrum auriculatum, Ornithopodii pinnatis ciliatis, Dill. Hist. Muse. 



p. 493, n. 21 (1741). 

 Jungermcmia ornithopodioides, Withering, Botanical Arrangement, vol. ii. p. (il),"), 



n. 14 (177G). 

 Jimgermania planifolia, Hook. Brit. Jung. t. (!7 (1810). 

 Scapania planifolia, (Hook.) Dum. Recueil, p. 14 (18;>.'j). 



Dioicous (?), forming erect crowded tufts or straggling amongst 

 other mosses and hepatics ; very large ; of a dark brown colour. 

 Stems simple or furcate, ligneous, a cross-section showing it to be 

 oval, the outer layer consisting of one or two rows of dark-red 

 ligneous cells, inner cells white, somewhat homogeneous ; radicu- 

 lose, rootlets short, pale, produced from the postical side of stem. 

 Leaves distichous, imbricate or approximate, divided to the base 

 or almost into two unequal lobes, the antical one about half the 

 size of the postical, erecto-patent to patent (40°), cordate, obtuse 

 or acute, ciliate-dentate, crossing the stem, slightly convex ; 

 postical lobe patent-divergent to horizontal (80°), plane or slightly 

 deliexed, ovate, ciliate-dentate ; at the suture one or two lar^-e 

 cilia are often found, 3 to 4 cells long, 2 cells broad at the base ; 

 epidermis smooth, cells small, roundish, guttulate, cell-walls thick, 

 angles thickened. 



<? and ? unknown. 



Dimensions. — Stems 3 to 4 inches long, 4 mm. x o mm. 

 diam., with leaves 4' mm. wide; leaves, antical lobe 15 mm. x 

 1* mm., 14 mm. x 1*25 mm., 125 mm. x T mm., postical 22 mm. 



X 1'3 mm., 2*1 mm. x 1*5 mm., 1*9 mm. x 13 mm. ; cells "Oo mm. 



X '02 mm., 025 mm. x 02 mm., '0225 mui. x '02 mm. ; cilia '04 

 mm. X •017") mm. broad at the base. 



