ICONIC MUSCORUM. 



DRUMMONDIA CLAVELLATA, Hook. 



Tab. 33. 



Plants in coespitcs densos latos valde depressos congesta?, 

 saturate virides, inferne nigrescentes. 



Caulis parcc divisus, 1 - 6-uncialis et ultra, prostratus, aphyl- 

 lus, tota longitudine subtus densissime radiculosus, ramos erectos 

 breves copiosissime exserens, saepeque ultra caespitis ambitum hie 

 illic longe prorepens. 



Folia eonferta, ovato-lanceolata, patentia, concava, firmula, 

 fere ad apicem suleato-costata ; reti denso punctiforrui : perichse- 

 tialia oblongiora. 



Flores dioiei, terminales et innovatione laterales. 



Capsula in ramis terminalis, ovato-globosa, microstoma, lepto- 

 derma, brevi-pedicellata ; dentibus peristomialibus scdecem bre- 

 vissimis truncatis ; operculo e basi hemisphaerico-conica oblique 

 acieulari-rostrato ; % calyptra inflato-cuculliformi basi bis terve 

 leniter plieata ad capsula3 basin producta ; sporis majusculis. 



DKUMMONDIA CLAVELLATA, Hook, in Drumra. Muse. Amer. No. 62; Miill. 



Synoj). Muse. 1, p. C87; Sulliv. Mosses U. States, p. 32, t. 2. 

 Gymnostomum prorepens, Hedw. Sp. Muse. p. 35, t. 3. 



IIab. Trees, Northern and Middle States: common. 



TAB. S3. — Drummondia clavellata. 



1. Plants naturali magnitudine. 11. Operculum cum columellas apice. 



2. Ramus fructifer. 12, 13. Opercula et calyptra. 



.". Folia ramea. 14. Particula peristomii cum sporis. 



i. .".. Folia perichsetialia. 15. Eadem verticaliter secta. 



6, 7,8. Areolatio folii. 16. Vaginula cum folio perichsetiali. 



'•. Seetiones transversales folii. 17, 18. Flos masc. et perigoniale. 



10 Capsula operculata. 19. Antheridium cum paraphysi. 



