50 NINETEENTH ANNUAL REPORT ON THE STATE CABINET. 



RACOMITRIUM, Brid. 



R. AcrcuLARE, Brid. 



Rocks along mountain streams. Catskill mountains. Sand Lake. 



June. 

 R. sudeticum, Funk. 



Moist rucks along streams. Adirondack mountains; Aug., Lesqx. 



Catskill mountains. James in Pr. Am. Phil. Soc. 

 R. microcarpitm, Brid. 



Rocks, either moist or dry. On mountains. Common. May -June. 

 R. fasciculare, Brid. 



Rocks near waterfalls. Adirondack mountains; Ausable river, etc., 



Lesqx. Catskill mountains. James in Pr. Am. Phil. Soc. 



HEDWIGIA, Ehrh. 



II. ciliata, Dicks. 



Granite rocks and stone walls. Very rarely on decayed logs. Every- 

 where common. May. 

 SCHISTOSTEGA, Mohr. 



S. osmundacea, Web. & Mohr. 



On dirt adhering to roots of overblown trees in deep woods, a short 

 distance south of Cranberry marsh, Sand Lake. This is at present 

 its only known locality in this country. August. 



Very delicate, slender, simple or rarely bifurcate, 3 7 — 6" long, 

 growing from a shining, yellowish-green and persistent prothallium, 

 rooting only at the base, two-shaped; sterile plants frondlike, with 

 the leaves two-ranked, rhomboidal, ecostate, vertically inserted, 

 confluent at the base; fertile plants frond iform below or with the 

 stem nearly naked, bearing flowers and minute horizontal leaves of 

 various forms at the top; flowers gemmiform; vaginula ovate-glo- 

 bose; capsule on a long slender pedicel, minute, nearly globose, 

 without a peristome; operculum convex; calyptra minute, mitriform 

 or dimidiate-conical, covering the operculum only; spores minute. 

 A very rare little moss of peculiar habit and loose cellular structure, 

 with a beautiful glancous green color when fresh. First found in 

 this country in 1865. 



TETRAPLODON, Bryol. Europ. 



T. angttstatus, Bryol. Euro]). 



On the excrement of cows in a swamp near Lake Placid, Adiron- 

 dack mountains; August, Lesqx. 



T. mnioides, L.fil, 



Excrement of some animal near the top of Mount Marcy; August, 

 Lesqx. 



APHANORHEGMA, Sulliv. 



A. SEURATA, SuUiu. 



Moist ground in fields. Common. November. 



