ICONES MUSCORUM. 37 



FISSIDENS MINUTULUS, Sulliv. 



Tab. 24. 



Planter pusillae, gregariae, annuse vel perennes, e lutco 

 virides. 



Caulis 2-3 lineas vel ultra altus, simplex, raro innovationi- 

 bus ramosus, erectus vel subprocumbens, basi sola radiculis 

 copiose instructus. 



Folia 4-10-juga, expansa vel subseeunda, inferiore minima, 

 ascendendo multo majora, lineari-oblonga vel oblique oblongo- 

 lanceolata, acuta, toto ambitu (apice summo subserrulato excep- 

 to) anguste marginata ; lamina apicali duplicaturam latius mar- 

 ginatam sequante, dorsali supra basin evanescente ; reti densiore ; 

 costa percurrente. 



Flores dioici : masculi di - triphylli in plantis femineis si- 

 milibus terminales ; antheridiis 3-9; parapliysibus nullis vel 

 rudimentariis. 



Capsula terminalis, ovali-oblonga, erecta, raro inclinata ; pe- 

 ristomii dentibus atropurpureis, infra medium in crura lon- 

 gissima granulosa divisis ; calyptra cuculliformi vix ad operculi 

 longius rostrati basin descendente. 



Fissidens minutulus, Sulliv. in Mem. Amer. Acad. n. ser. 3, p. 58, t. 2 ; 



Muse. Alleghan. No. 183 ; Mosses U. States, p. 24 ; Sulliv. et Lesqx. Muse. 



Bor. Amer. Exsicc. (ed. 1), No. 80. 

 Fissidens bryoides, var. 1 & 2, Hook. & Wils. in Druuim. Muse. Amer. 



Coll. 2, No. 39 & 40. 



Hab. Moist rocks in woods, dry channels of rivulets, &c. — 

 Not uncommon. 



Distinguished from the preceding by its immarginate leaves, 

 and from small forms of F. incurvus by its dioicous inflo- 

 rescence and usually erect capsule. 



The male and female plants of F. minutulus grow mixed in 



