ACAULON SCHIMPERIANUM, Sulliv.
Tab. 9.
Plantæ humillimæ, annuæ, sparsæ vel subgregariæ, ovoideo-bulbiformes.
Caulis brevissimus, simplex, 10–12-phyllus, basi radiculis longis copiose instructus.
Folia arcte imbricata, superiora inferioribus ccostatis multo majora, obovato-lanceolata, valde cymbiformi-concava, apice recurva, ibidemque utraque pagina papillosa, marginibus superne recurvis eroso-dentata, laxe rhomboideo-areolata, costa valida statim infra folii apicem oriente longius excedente cuspidata.
Flores dioici: planta mascula minima, gemmacea, ad plantæ; fructiferæ pedem sita, 3–4-phylla; antheridiis 2–3 eparaphysatis.
Capsula globosa, submutica, recondita, horizontalis, tenuimembranacea, aurantiacea; pedicello longiusculo cygneo; calyptra conico-mitriformi minutissima.
Acaulon Schimperianum, Sulliv. Mosses U. States, p. 15, Sulliv. & Lesqx. Musc. Bor.-Amer. Exsicc. (ed. 1), No. 26.
Hab. San Marcos, Texas, Wright. Athens, Illinois, Hall.
This species is distinguished by its papillose leaves destitute of a costa except at their recurved apices.
TAB. 9.—Acaulon Schimperianum.
1. Plantæ naturali magnitudine.
2. Fructifera cum gemma mascula.
3. 4. 5, 6. Folia.
7. Sectio transversalis folii.
8. Pars folii areolationem demonstrans.
9. Areolatio folii baseos.
10. Capsula cum fol. perichætiali.
11, 12. Plantæ foliis exsectis.
13. Capsula disrupta cum sporis.
14. Spora.
15. Calyptra styligera.
16. Gemma mascula.
17. Folium perigoniale.
18. Antheridia.
