Hypnum. | 18. HYPNER. 557 
Habitus adspectusque rigidulus H. strigosi Americe septentrionalis et 
Europe, gracilius tamen, foliis omnibus acutis. 
33. H. PRÆLONGUM (Dill. t. 35. f.15 A, B, c). Caulis procumbens 
adscendensve, ramis pluribus pinnatim ramosus. Folia in caule primario 
squarrosa, angulis basi decurrentibus, margine minute serrulata, nervo 
tenui infra apicem evanido, cellulis angustis ad angulos pluribus latioribus 
laxis pallidioribus; ramea patentia, cordato-ovata, breviter acuminata, 
concaviora, margine argutius serrulata, nervo crassiore infra apicem de- 
sinente, interdum dorso in aculeuin brevem exstante, cellulis firmioribus ; 
pericheetialia a basi erecta oblonga, enervia, subulata, recurva. Theca 
in pedunculo scaberrimo oblonga, horizontalis, demum pendula, collo cras- 
siusculo curvato, operculo longirostro, peristomii interni ciliis tribus. 
H. exasperatum, Hampe in Linnea, xxxii. 162. 
Hab. Mexico et Surinam, ex Herb. Dozy et Molkenboer. Andes Bo- 
gotenses prope Bogota, ad rupes humidas (8500 ped.), Weir, n. 353. 
Andes Quitenses, in monte Picillun, Jameson; ad cataractam Huandi- 
sagua montis Tunguragua (7500 ped.), Spruce, n. 1420; in monte Pi- 
chincha (10,000 ped.), Spruce, n. 1421. Peruvia, in Cordillera, Lechler, 
Species adspectu variabilis. 
All the specimens from South America belong to the same 
form, which is found also in Britain in rocky streams, growing 
in situations where it is occasionally inundated ; and these differ 
considerably from the states found on the ground in moist woods, 
and known as Hypnum Stokesii, Turn. 
34. H. TOXARION (Schwegr. i. ii. 283). Caulis procumbens adscen- 
dens erectusve, sæpe inferne simplex, superne fasciculatim pinnatus bi- 
pinnatusque, interdum ramis bipinnatim dispositis, ex apice producto 
descendente radicante prolifer. Folia parva, in caule primario squarrosa, 
recurva, nervo tenui percurrente, ramea patenti-incurva, ovata, acumi- 
nata, concava, margine implana, nervo crassiore, cellulis oblongis limitibus 
latis, in foliis ramulinis rotundatis; perichztialia majora, oblonga, subu- 
lato-angustata, reflexa, nervo supra medium evanido. Theca in pedunculo 
breviusculo crassiusculo rubro oblonga, horizontalis pendulave, operculo 
brevirostro, peristomii interni processibus arcte complicatis, angustis- 
sime attenuatis, ciliis tribus interpositis brevioribus subliberis vel cohz- 
rentibus. 
H. implexum, Kunze ; Schwegr. in Linnea, xviii. t. 9. 
H. brachypodium, C. Müll. Syn. ii. 445. 
H. solutum, Tayl. in Hook. Lond. Journ. of Bot. v. 65. 
Rigodium Lechleri, Schimp. in Lechler, Pl. Chil. n. 629. 
Eurynchium striatellum, Schimp. l. c. 
Hab. Andes Bogotenses, in sylvis supra Pacho et prope cataractam 
Tequendama ad arbores delapsas putrescentes (6500 ped.), Weir, a. 277. 
Andes Quitenses in montibus Guayrapata et Tunguragua, Spruce, n. 1415. 
