HYPNUM GRACILE, Br. & Sch.
Tab. 100.
H. scitum valde referens, distinctum tamen foliis longius acuminatis superne dentato-serratis, capsula e collo brcvi turgide ovali oblongave incurvo-cernua fere horizontali macrostoma, prsesertim operculo mamillari, etc.
Hypnum gracile, Br. & Sch. in Lond. Jour. Bot. 1843, p. 668; C. Müll. Synop. 2, p. 488; Sulliv. Musc. Alleghan. No. 5.
Thuidium gracile, Bryol. Europ.
Hab. Decayed logs in wet woods.
TAB. 100.—Hypnum gracile.
1. Planta naturali magnitudine.
2. Pars ramuli.
3. 4, 5, 6. Folia ejusdem.
7. Folium rami areolatiouem monstrans.
8. Idem papillosum.
9. 10, 11. Paraphilia.
12. Perichætium.
13. Folium ejusdem.
14. Capsula operculo orbata.
15. Capsulæ operculatre.
16. Particula peristomii.
17. Operculum, cum annuli particula.
18. Calyptra.
19. Flos masculus, perigoniale, antheridium cum paraphysi.
