76 PROCEEDINGS OF THE AMERICAN ACADEMY 



tis ; foliis e basi constricta ovato-lanceolatis decurvo-falcatis subrugu- 

 losis lineari-areolatis basi brevissime bicostatis ; capsula horizontali 

 vel pendula suburceolata annulata, ore subobliquo ; peristomii hyp- 

 noidei ciliolis cilia aequantibus ternatim interjectis ; operculo henii- 

 sphicrico-conico ; pedicello Isevi flexuoso-erecto ; flore masculo gemmi- 

 formi cauligeno paraphysato. — Hab. Island of Tutuila, Samoan or 

 Navigators' Group : also Feejee Islands. 



" 9. Hypnum Draytoni (n. sp.) : dioicum, robustum, speciosum ; 

 csespite laxo lato ; caulibus prostratis elongatis flaccidis turgido-com- 

 pressis parce divisis ; foliis laxe imbricatis distiche-appressis oblongis 

 ovato-oblongisve decurrentibus cochleariformi-concavis obtusis acumi- 

 ne brevi flexuoso terminatis lutescente-viridibus nitidulis pellucidis 

 brevissime furcato-costatis, margine erecto integerrimo, cellulis elon- 

 gatis angustissimis densis, infimis brevioribus amplioribus ; capsula in 

 pedicello Isevi longiusculo rigido horizontali arcuato-oblonga annulata ; 

 operculo conico-acuto ; peristomii dentibus lanceolato-subulatis dense 

 trabeculatis, ciliis aequilongis carinatis imperforatis e membrana latis- 

 sima, ciliolis brevioribus ternatim interjectis ; antheridiis numerosis- 

 simis paraphysatis ; perichsetialibus ovatis seu ovato-lanceolatis, internis 

 oblongo-lanceolatis basi vaginantibus margine superne subcrenato- 

 undulatis. — Hab. Forest at the eastern base of Mauna Kea, Hawaii, 

 Sandwich Islands. 



" 10. Hypnum aristatum (n. sp.) : dioicum ? robustum, rigidum, 

 flavo-viride ; caulibus 3-4-uncialibus erecto-flexuosis decurvis e massa 

 radiciformi nigra sepulta assurgentibus parce ramosis, ramis elongatis 

 abbreviatisve simplicibus raro subpinnatis hispidulose foliosis ; foliis 

 undique versis confertis erecto-patentibus strictis e basi subcor- 

 data oblongo-lanceolatis costa valida percursis longeque aristatis inte- 

 gerrimis margine inferne recurvis concavis subimplanis e cellulis sub- 

 rotundis minutis densius conflatis; capsulis ovali-oblongis subsequalibus 

 basi attenuatis ; pedicellis breviusculis erecto-incurvis aggregatis prope 

 apicem ramorum ; peristom. dentibus lanceolatis subulatis dense ar- 

 ticulatis, ciliis e membrana plicata lata carinatis lanceolatis attenuatis 

 dorso hiantibus, ciliolis binis interpositis appendiculatis ; perichsetialibus 

 parviusculis laxius imbricatis supra medium patentibus filiformi-eductis 

 indistincte costatis ; vaginula emergente oblonga ; paraphysibus fili- 

 formibus 6-10 septatis ; operculo et calyptra non visis. — Hab. 

 Bay of Islands, New Zealand. 



