ICONES MUSCORUM. 97 



BRACHYTHECIUM UTAHENSE, James. 



Tab. 73. 



Plant.e pusillse, tenerce, laxe casspitosaB, pallide fuscesccntes. 



Caulis repeus, iincialis vel scmi-uncialis, copiose radiculosus ; 

 rami's ramulisque brevibus laxiuscule foliatis. 



Folia erccto-pateiitia, oblonga vel ovato-Ianceolata, scnsini 

 tenui-acutata, arctiiis pellucidc liiieari-areolata e celkilis angu- 

 laribiis quadratis griseo-granulosis, ad medium costata, toto 

 margine serrata ; perichtetialia erecta, ecostata, raptim acumi- 

 nata, grossius serrata. 



Flores synoici, caule primario insideutes. 



Capsula in pedicello crassiusculo Isevi 3-4-lineari subsym- 

 metrica, erecta, parvula, oblongo-ovalis ; operculo breviter conico- 

 obtuso ; annulo simplici obscuro ; peristomio generis. 



Brachythecii'm Utahensk, James, in Watson's Cat. U. S. 40th Par. 

 Geol. Explor. Exped. CI. King, p. 409. 



Hab. Oil sandstone I'ocks overhanging the bed of a dry 

 stream near Hanging Rock Station, Echo Canon, Utah, at 

 6,000 feet altitude. 



TAB. 73. — Brachythecium Utahense. 



1. Planta naturali rnagniludine. 



2. Pars rami. 



3. Folium rameum. 



4. Folia caiilina. 



5. Areolatio apicis folii. 



6. Areolatio basilaris. 



7. Periohajtium et capsula imraatura calyptrata. 



8. Folia perichfetialia. 



9. Vaginula, antheridium, archegonium, et paraphyses. 



1 0. Capsular. 



11. Particula peristomii. 



12. Operculum. 



13 



