THE GENUS LEPTOSTOMUM. 353 



Seta elongata, fiisca, laevis. Capsula a^quilatcia. 0[)cr- 

 ciilum dclapsum fuit. 



tS. L. gracilc, foliis ovato-o])longis acutiusculis ; pilo 

 simplici folium diiiiidiuin icquautc, capsulis oblongis a:(pii- 

 lateris incliiiatis. 



Patria. Nova Zclaiidia. 



Static. Umbrosa Imiiiida (?) ad Dusky Bay, Bom. Arch. 

 Menzies, 



Desc. Caules subramosi. Folia siccatione adprcssa, areo- 

 lato-punctata. Seta clougata, kicvis. Vaginula cyliudracca, 

 tilis succosis adductoribusque numerosis cincta. 



4. Z. Menzieni, foliis oblongo-lanccolatis acutis ; pilo 

 siuiplici folio quater breviorc, capsulis oblougis incliuatis 

 arcuato-recurvis. 



Patria. Americse Australis Statcn-laud, ubi anno 

 1787 detexit Bom. Arch. Menzies, cujus aniicitias lianc ct 

 pra:cedentem speciem debeo. 



Static. - - - - 



Desc. Muscus Isete vircns, sesquiuncialis. Caides sub- 

 siniplices, basi ferrugineo-tomentosi, supra confcrtiin foliati. 

 Polia crecto-patentia, siccatione adpressa, niinutissinie areo- 

 lata V. punctata. Seta caulem sa3piiis superans, erccta, 

 fusca, la3vis. Capsula subfalcata ad angulum acutuni ra- 

 riusve fere rectum inclinans. 



Obs. The pkmts which I have referred to this genus are 

 all natives of the southern hemisphere, and in their habit, 

 in which there is something peculiar, strictly agree with 

 each other, and with Brijum macrocarjmm of Hcdwig. [223 

 In three of the four species here described, I have had the 

 opportunity of removing the operculum without having 

 been able in any case to observe an external periston! ium, 

 which, from the appearance of these plants, might be ex- 

 jjccted to exist, and which Iledwig has figured in his 

 Bryum macrocarpum. Of this plant T have only seen spe- 

 cimens that had lost the oi)erculum : the mouth of the 

 ('a})sule, however, seemed to be very perfect, and was I'ur- 



23 



