collis, is thus distinguished:— its oval capsule has a much shorter collum; the teeth of the peristome are broader, shorter, more granulose, not nodose-articulate, their crura more inclined to separate; the perichætial leaves are firmer, more oblong, and more suddenly acuminate.
TAB. 19.—Trematodon longicollis.
1. Plantæ naturali magnitudine.
2. Pars plantæ.
3. 4. Folia caulina.
5. Apices foliorum rote exhibentes.
6. Pete folii baseos.
7. Sectiones transversales folii.
8. Folia perichætialia, vaginula, et pedicellus.
9. Capsulæ.
10. Capsula exsiccata.
11. Capsulæ pars, peristomium et columellam monstrans.
12. Calyptra.
13. Operculum.
14. Peristoma sectio verticalis.
15. Peristomii duo dentes, sporse, et annuli pars.
16. Anuulus.
17. Antheridia, fol. perigouiale, et paraphysis.
