FISSIDENS SUBBASILARIS, Hedw.
Tab. 26.
Plantæ humiles, in densis latis cæspitibus superne saturate viridibus degentes.
Caulis 6–10 lineas altus, simplex vel divisus, erectus, tomento rufo obrutus, conferte foliosus.
Folia 12–15-juga, explanata, oblonga, breviter acuta, immarginata, tenuissime serrulata, ad ⅔ duplicata; lamina dorsali lata ad basin citius evanida; costa fere ad apicem grossius erosodentatam perdurante; reti denso pellucido.
Flores feminei soli noti, prope caulis basin orti, 5–6-phylli.
Capsula lateralis, oblongo-ovalis vel cylindracea, erecta, curvula, in pedicello mediocri caulem paulisper superante elata; peristomii dentibus breviusculis infra medium divisis; operculo longius rostrato; calyptra cuculliformi gracili.
Fissidens subbasilaris, Hedw. Sp. Musc. p. 155, t. 39; Sulliv. Musc. Alleghan. No. 184; Mosses U. States, p. 25.
Hab. Roots and trunks of trees, forming large and dense mats, Northern and Middle States.
TAB. 26.—Fissidens subbasilaris.
1. Plantæ naturali magnitudine.
2. Planta fertilis.
3. Folium caulis.
4. Folium superius perichætii.
5. Sectio transversalis folii.
6. Areolatio folii apicis.
7. Perichætium.
8. Folium infimimi ejusdem.
9. 10. Capsulæ
11. Peristomii pars.
12. Eadem verticaliter secta.
13. Calyptra.
