Page:Icones muscorum.djvu/49

Rh FISSIDENS MINUTULUS, Sulliv.

Tab. 24.

pusillæ, gregariæ, annuæ vel perennes, e luteo virides.

2–3 lineas vel ultra altus, simplex, raro innovationibus ramosus, erectus vel subprocumbens, basi sola radiculis copiose instructus.

4–10-juga, expansa vel subseeunda, inferiore minima, ascendendo multo majora, lineari-oblonga vel oblique oblongo-lanceolata, acuta, toto ambitu (apice summo subserrulato excepto) anguste marginata; lamina apicali duplicaturam latius marginatam sequante, dorsali supra basin evanescente; reti densiore; costa percurrente.

dioici: masculi di-triphylli in plantis femineis similibus terminales; antheridiis 3–9; parapliysibus nullis vel rudimentariis.

terminalis, ovali-oblonga, erecta, raro inclinata; peristomii dentibus atropurpureis, infra medium in crura longissima granulosa divisis; calyptra cuculliformi vix ad operculi longius rostrati basin descendente.

, var. 1 & 2, Hook. & Wils. in Druuim. Musc. Amer. Coll. 2, No. 39 & 40.}}

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 inflorescence and usually erect capsule.

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