B.EPOET OF THE BOTANIST. 57 



Amphoridium peckii, sp. 710V. 



" PlantEe subunciales, compacte csespitosse, superne flavidulo-viricles, 

 inferne rufescentes, toraento radiculari arete intertextse. Caulis in- 

 novando fastigiato-ramosns. Folia conferta humida erecto-patentia, 

 sicca crispata, lineari-lanceolata sensim acutissima, supra basim per- 

 brevem ovatam concavam subamplexantem leniter constricta dehinc 

 carinato-subcomplicata, margine (lit folii utraque pagina) plus minus 

 minute papilluloso, erecto ; costa tereti valida subapicem finiente ; 

 areolatione densa guttulata, cellulis basis mediae oblongis margines 

 versus minoribus quadratis. Flores masculi nnmerosi, singuli vel 

 aggregati, axillares ; antheridiis 5-7, paraphysatis ; perigonialibns 

 interioribus superne serrulatis. Flores feminei et fructus desideran- 

 ter."—Sullivant MSS. 



" In size and general aspect this moss resembles A. lapponicum 

 and A. mougeotii, but is distinguished by its broader leaf differ- 

 ently areolatecl, and with a slight but evident constriction above its 

 base." Sullivant. 



Under overhanging rocks, Catskill Mountains, Greene county. 

 This moss was found growing in a single patch three or four feet in 

 diameter. The growth is quite dense, the stems are simple or fas- 

 tigiately branched, mostly about one inch high ; the leaves are 

 numerous, closely imbricating, the upper ones yellowish green, the 

 lower ones dull reddish brown, intermingled with a short, close, 

 radicular tomentum, all linear lanceolate, rather abruptly sharp 

 pointed, slightly constricted above the base, more or less minutely 

 papillose, densely areolated, the areolae of the middle of the base 

 oblong, towards the margins smaller and quadrate. The foliage is 

 crisped when dry, erect-spreading when moist. It opens under th 

 influence of moisture much more slowly than does that of A. lap- 

 ponicum or of A. mougeotii. When moist the greater density of 

 the foliage and the broader leaves give to the plant an appearance 

 quite distinct from the two closely related species, which appearance 

 enables it to be distinguished from them quite readily without a 

 microscopic examination. 



*CosciNODOJsr pulvlnatus, Bryol Euro]). 



Exposed surfaces of rocks. Catskill Mountains. New to this 

 country. The specimens are without fruit, and to that extent the 

 species must remain in doubt. 



AMBLYODON DEALBATUS, BeObUV. 



Thin soil covering rocks , near Cedar ville, Herkimer county. 



Beyum concinnatum, Grev. 



Crevices of rocks. Catskill Mountains. Sterile. 



Homalia gea.cilis, James in lit. Sp. nov. 



Steins slender, irregularly subpinnately branched, prostrate or 

 ascending, bright shining green; branches unequal, more or less 

 [Sen. 'No. 87.] 8 



