BARBULA. 



411 



1. Plant magnified. 



la. Capsula and operculum. 



2. Apex of capsule. 



3. Apex of capsule, annulus detached. 



4. Portion of capsule and peristome seen externally. 



5. The same seen internally. 



6. Portion of the annulus. 



7. Operculum long section. 



8. Calyptra. 



9. Cauline leaf. — It. Ass. 535. 



3. Barbula arcuata, Griff. PI. LXXIX. Fig. I. 



Caule simplice longiusculo, foliis lanceolato-acumiuatis earina- 

 tis vena excurrente breviter apiculatis margine recurvis pe- 

 richaetialibus longissiinis canaliculatis, capsula cylindracea ar- 

 cuata. 



Hab. Legimus speciininu 2-3 fructifera in arenosis 14 Boga- 

 panee." 



Caulis erectus, basi denudatus. subsemuncialis. Folia sicca- 

 tione adpressa, obsolete falcatim secunda, summa apice flexu- 

 osa patentia, humore ascendentia, rigida, integra, e basi lan- 

 ceolata valde acuminata, perichaetialia margine involuta, acu- 

 minibus limbum aequantibus, sursum dentieulatis. 



Seta terminalis vix uncialis, capillacea. Vaginula angusta, cy- 

 lindracea. Paraphyses pistillaque pauca. 



Capsula erecta, angusta, brunnea. Peristomii dentes sub-32, 

 obliqui, rigidi, opaci, scabrelli. Columella truncata, inclusa. 



Caetera desunt. Peristomium exparte destructum solum vidi- 

 mus. 



Ex charactere videtur proxiuia B.domesticae, Brid. Bryol. Univ. 

 An vere differt ? 



1. Plant magnified, 

 la. Capsule. 



2. Portion of capsule and peristome, seen externally. 



