492 16. SEMATOPHYLLEX. [Sematophyllum. 
Sect. 3. Trichosteleum, Mitt. in Journ. Linn. Soc. 1868. 
Musci pusilli, depresse cespitosi. Folia inflexa reflexave, mar- 
gine acumen versus subsinuato. Theca in pedunculo gracillimo 
elongato, minuta, demum urceolata, operculo longe subulato. 
Flores monoici. 
54. S. PAPILLOSUM (Hornsch. in Mart. Fl. Bras. Musc. 82, t. 4, Hy- 
pnum). Folia secunda, subcompressa, concava, ramulina oblongo-lanceolata 
subulato-acuminata, omnia marginibus inferne recurvis superne flexuosis, 
cellulis elongatis angustis; perichetialia parva, ovata, longe subulata, ser- 
rulata. Theca ovalis, nutans. 
Hab. Surinam, ex Herb. Dozy. Fl. Amazon, Pará, in lignis, Spruce, 
n. 899; fl. Negro, Panuré fluvii Uaupés, Spruce, n. 900, 901; S. Carlos, 
Spruce, n. 902; ad rivulum Cauapuna, Spruce, n. 903; San Gabriel, 
Spruce,n. 904. Brasilia ad truncos emortuos sylvarum antiquissimarum, 
Beyrich (ex Hornsch.). 
55. S. AMBIGUUM (Schwegr. t. 198, Leskea). Folia subcompressa, 
concava, ramulina anguste lanceolata, acuta acuminata See 
marginibus szpe planis superne subcrenulatis, cellulis elongaf 
papilla unica medio imposita, alaribus tribus fuscis conspicuis ; pi 
patentia, lanceolata, acuminata, denticulata. Theca in pedühRe 
levi, breviter ovalis, nutans, peristomii dentibus supra medium 
angustatis, interni ciliis singulis. 
Hypnum microcarpum, Hornsch. in Mart. Fl. Bras. Musc. t. 4. 
H. Hornschuchii, Hampe; C. Müll. Syn. ii. 406. 
Hab. Fl. Amazon, Para, Martius; fl. Aripecuru, Spruce, n. 937; Santa- 
rem, in carbonibus, Spruce, n. 912, 938 ; ibidem in lignis, n. 911; fl. Negro, 
S. Gabriel, in lignis, Spruce, n. 908, 934; Marabitanas, n. 909, ad rivulum 
Cauapuna, n. 913, 933, S. Carlos, n. 914, Manaos, n. 932, Uaiauáca, 
n. 935; Casiquiari, in truncis vetustis inundatis, n. 936, 915; S. Carlos, ad 
ligna in pomariis, n. 939 ; Manaos, in truncis decisis ubique, n. 940. Andes 
Peruvianz, Tarapoto (1500 ped.), Spruce, n. 910. 
56. S. RUBRISETUM (Mitt.). Folia subcompressa, concava, marginibus 
recurvis, cellulis elongatis; perichstialia erecta, oblongo-lanceolata, vix 
acuminata, subserrulata. Theca in pedunculo rubro, minutissima, ovalis, 
inclinata, deinde nutans. 
Hab. Fl. Negro (secus ejus caput), ad Cano Pimichin, Spruce, n. 917; 
S. Gabriel, n. 918, ad Panuré fl. Uaupés, n. 919; fl. Huallaga, Yuri- 
maguas, ad carbonis, Spruce, n. 916. Andes Quitenses, in sylva Canelos 
(3000 ped.), Spruce, n. 920. 
Pallide viride stramineum. Folia laxiuscule inserta, subnitida. 
S. papilloso gracilius ; folia evidentius compressa, margine superiore haud 
torto, perichztialiaque vix acuminata. Theca tenuis; sporangium trans- 
parens. 
