78 Illinois State Laboratory of Natural History. 



carina of the leaf, long linear, somewhat obtuse, (li. pa! lot* 

 Sulliv. Mosses of U. S. and Muse. Alleghan. No. 261; Aust. 

 Hep. Bor. Amer. No. 87.) 



HabOn rotten trunks; Md., N. C. (Sullivant), Catskill Mts. N. Y. 

 (P. T. C'eve) , mostly in mountain regions. 

 Rib. Lindb. Hep. Hibern. p. 492. 



Exsic. Muse. Alleghan. No. 261 ; Hep. Bor.- Amer. No. 87. 

 ff Stems more or less pinnately brandling. 

 J Mouth of inner involucre bilabiate. 



2. R. australis Aust. Stems 1.3 2.5 cm. long, pros- 

 trate, sparingly subpinnately branched, loosely caespitose ; leaves 

 somewhat decurrent, the lobule adnate to the stem along its 

 inner margin; inner involucre elongate, compressed-cylindric 

 from a pyriform or obconic base, the lips of the bilabiate mouth 

 emarginate or crenate; male spikes short and broad, found only 

 on the branches. 



Hob. Near Augusta, Ga. (Sullivant}, Northern Fla. (Austin). 

 Bib.Bot. Bulletin (now Bot. Gazette) I, 32; Torrey Bull. VI, 302. 



3. R. Caloosiensis Aust. Stems short, somewhat rigid, 

 closely creeping, sparingly branching, scarcely pinnate ; leaves 

 convex, entire or obscurely crenulate, obtuse, the margins 

 mostly gemmiparous, the lower lobe rather large, somewhat 

 acuminate or obtuse, the inner margin adnate to the stem and 

 somewhat protracted above it; inner involucre somewhat short, 

 from an obconic base, broadly oblong-quadrate, strongly com- 

 pressed, the lips almost entire, subdecurved; male spikes rather 

 long and loose, subinterrupted. 



Hib Caloosa, Fla. (Austin). 

 Bib. Torrey Bull. VI, 301. 



J^ Mouth of inner involucre entire or crenulate. 



4. R. complanata Dumort. Stems flat, irregularly and 

 somewhat pinnately branched, flaccid; leaves imbricate, the 

 dorsal lobe roundish, the ventral much smaller, triangular- 

 ovate, appressed; inner involucre oblong, compressed, the 

 mouth truncate, entire. (Jungermania complanata L.) 



jfab. On rocks and roots of trees; common. (Eu.) 

 Bib.Syn. Hep. p. 257; Hep. Europ. p. 31. 

 Mm. Brit. Jung. t. 81 ; Ekart. t, IV, f, 31. 

 Rcsic Hep. Bor.-Amer. No. 85, 86. 



