A. W. Evans — Korth American Species of FruUania. 23 



and base ; discolored cells usually forming a long, distinct, median 

 line, rarely obsolete : ? infloi'escence terminal on a short branch ; 

 bracts in two or three pairs, bifid to or beyond the middle, the lobe 

 ovate, acute, entire or sparingly dentate, becoming broader and more 

 obtuse aAvay from the perianth, lobule narrowly ovate or lanceolate, 

 acuminate, usually revolute on the margins, bearing at the base on 

 the inner edge a more or less distinct, variously toothed or laciniate 

 segment or stylus, otherwise entire; bracteole free or connate on one 

 side, ovate, bifid to or beyond the middle with subulate acumioate 

 lobes and pointed sinus, margin usually bearing at the base on each 

 side a variously toothed or laciniate segment, otherwise entire ; per- 

 ianth exserted beyond the middle, oval or obovate, narrowed into a 

 rather short beak, somewhat compressed on the sides and with a deep 

 postical keel, smooth : $, spike oval, occupying a short lateral branch, 

 bracts in several pairs (six to ten). 



Stems 0-15"™ in diameter ; lobes of leaves 0-70'"'" long, 0-50"">i 

 wide; lobules 0-25'"™ long, 0-17'"'" wide; underleaves 0-35™"^ long 

 and wide ; lobes of bi-anch leaves 0*50""" long, 0"35""" wide ; branch- 

 underleaves 0*25"'™ long, 0"15""" wide ; leaf-cells at edge of lobe 

 0-014"°\ in the middle O-OlY""" in diameter and at the base 0-028'"°i 

 long, 0-018"™ wide ; bracts I, lobe l-50'"'° long, 0-70'"™ wide, lobule 

 0-85°i'^ long, 0-25™"^ wide ; bracteole I, 1'20'"™ long, 0-50'""^ wide ; 

 bract II, lobe 0-95"™ long, 0-60'""' wide ; lobule 0-50™" long, 0-15""" 

 wide; bracteole II, 0-70""" long, 0-26'"™ wide ; perianth 1-85'°™ long. 



On rocks, on bark of trees, or jjendulous from small branches : 

 from NeAvfoundland to Georgia and west to Wisconsin. Common 

 in the Eastern States, especially in hilly or mountainous regions. 

 Distributed in Muse. Alleg. n. 266, in Hep. Bor.-Amer. n. 107, in 

 Hep. Amer. 7i. 7, and in Can. Hejj. n. 2. 



14. FruUania Tamarisci (L) Dumort., Recueil d'Obs. sur les Jung., 13. 1835. 



Jungermannia Tamarisci L., Species plantarum, 1134. 1753 (Ed. I). 



FruUania major Raddi, Mem. di Matetn. e di Fiscia della Soc. Ital. della Sci. (Mo- 

 dena), xviii : 20, pZ. I". 1820. 



Juhula Tamarisci Dumort., Comm. Bot., 112. 1822. 

 Plate XII. figs. 1-10. 



Dioicous : plants growing in depressed tufts, reddish-brown, rarely 

 tinged with green : stems mostly bipinnate : leaves imbricated, the 

 lobe ovate-orbicular, arching over the stem and deeply cordate at 



