M U S C I. 101 



flowers, and perichgetium. 2. Portion of stem, with the ordinary and 

 stipuliform leaves. 3, 4. Principal leaves. 5. Upper portion of the 

 same, showing the reticulation. 6. Cellules of same. 7. Capsule, 

 operculum, and calyptra. 8, 9. Capsules, with opercula. 10. Cap- 

 sule, without operculum. 11. Calyptra. 12. Tooth of the outer, 

 and a cilium with two ciliolse of the inner peristome. 13. Portion of 

 upper part of tooth of peristome. 14. Portion of annulus. 15. Peri- 

 chsetium. 16, 17. Perichsetial leaves. 18. A stipuliform leaf. 19. 

 Male bud. 20. Perigonial leaf, antheridium, and paraphyses. — 

 Details magnified. 



7. Hypopterygium pallens, Hook. fil. & Wils. 



Lopidium pattens, Hook. fil. & Wils. in Flo. N. Zeal. p. 119. 

 Leskea concinna, Schwaegr. non Hook, ex Hook. fil. & Wils. 1. c. 

 Hypnum Strutheopteris, Brid. Sp. Muse. 2, p. 87. ? 



Hab. Bay of Islands, New Zealand. 



The collection contains specimens, gathered in several of the Pacific 

 Islands, too imperfect to characterize, but obviously indicating two or 

 three undescribed species of Hypopterygium* 



* The species now known of Hypopterygium, may be briefly characterized as follows : — 



1. Gaules setulis intra/oliaceis. 



1. H. tamariscinum : ramificatione rotulata, foliis spinuloso-serrulatis, capsula pen- 

 dula, peristomio duplici. — Leskea tamariscina, Hedw. Sp. Muse. p. 213, t. 51. 

 NeAV Zealand ! 



2. H. ciliatum : ramificatione sub rotulata, foliis fimbriato-ciliatis, capsula erecta, peri- 

 stomio simpliei. — Pteri. ciliatum, Hedw. Sp. Muse. p. 84, t. 17. New Zealand ! 



2. Caules setulis nullis. 



a. Peristomium internum ciliolis interpositis. 



f Inflorescentia monoica. 



3. H. scutellatum : ramif. pennata erecta, stipuliformibus brevi-costatis. — Tayl. !. in 

 Lond. Jour. Bot. 6, p. 338. Quito. 



26 



