ICONES MUSCORUM. 31 



TREMATODON LONGICOLLIS, Mkhat. 



Tab. 19. 



Plantve brcvicaulcs, copiose fructigerac, in csespitibus laxius- 

 culis degcntos, lootc virides. 



Caulis 3 - 6-linearis, subsimplex, dense longifolins. 



Folia patentia, flexuosa, e basi oblonga longc setacea, canalicu- 

 lata, apice obtusiuscula, obscure dcnticulata ; costa lata per- 

 currente ; areolatione infernc e cellulis oblongis pellucidis, su- 

 pernc minoribus opacis exstructa : pericha3tialia majora, erecta, 

 lanceolata, sensim longe attenuata. 



Flores monoici : masculi in ramis plus minus brevibus basila- 

 ribus terminales ; perigonialibus e basi colorata ovata setaceis ; 

 antheridiis 4-6 parapliy satis. 



Capsula elongato-oblonga, inclinata, in collum angustum cur- 

 vulum, basi latere interno abruptum, ipsa fere duplo longiorem 

 defluens ; pedicello tenui subunciali luteo ; peristomii denti- 

 bus subulatis nodoso-articulatis inter articulationes pertusis 

 striolatis, cruribus insequalibus interdum secedentibus ; annulo 

 composito revolubili ; operculo subulirostro ; calyptra inflato- 

 cuculliformi. 



Trematodon longicollis, Michx. Fl. Bor.-Amer. 2, p. 289 ; Sulliv. 

 Muse. Alleghan. No. 173; Mosses U. States, p. 20 (excl. stirp. Novanglis 

 et Ohioensibus). 



Hab. Clayey or sandy and moist soil, Southern States. 



T. longicollis appears to be confined, in this country, to the 

 more southern States, and to the sea-coast thence to New Jersey ; 

 it occurs likewise in New Zealand and Japan. The plant found 

 in Massachusetts, Middle Pennsylvania, and Northern Ohio, and 

 heretofore referred to this species, is T. ambiguvs, — a native also 

 of Europe, — which, though very closely resembling T. longi- 



