Sematophyllum. | 16. SEMATOPHYLLEZ. 479 
erecta, ovalia, convoluta, apice crenulata, apiculo angusto. Theca in 
pedunculo breviusculo superne scabro, ovalis, erecta, deinde pendula, 
peristomii externi dentibus pallidis, linea media exaratis, interni processi- 
bus ciliisque singulis nullisve in membrana ad quartam dentium longi- 
tudinis exserta impositis; calyptra cellulis spiraliter dispositis apice 
scabra. 
Hab. Fl. Amazon, Caripi prope Pará, Spruce, n. 832; Guiana, Parker. 
S. pungente paululo minus, cxteroquin nudo oculo ei simillimum. 
Sect. 2. Rhaphidorrhynchum, Schimp. Bryol. Europ. 
Musci ramis in cespites laxos congestis. Folia undique im- 
bricata subcompressa vel interdum secunda falcataque. Thece 
operculo subulato longe tenuirostrate. Floribus monoici rarissime 
dioici. 
6. S. casprrosum (Sw. Prodr. Fl. Ind. Occ. iii. 1807, Hypnum). Folia 
concava, marginibus inferioribus flexura latiuscula revolutis, superne re- 
curvis, nervis brevibus fere obsoletis, cellulis superioribus abbreviatis 
elliptieis, inferioribus angustis elongatis, ad angulos pluribus suboblongis 
pellucidis; perichztialia longiora, erecta, lanceolata, apicibus serrulatis. 
Theca in pedunculo brevi inclinata, ovalis, subzequalis, peristomio parvo. 
Hab. Ins. Hispaniola, ramulis emortuis, Swartz in Herb. Hooker ; Cuba, 
Wright, n. 106. Andes Quitenses, in sylva Canelos ad rivulum Topo 
(3000 ped.), Spruce. 
Rami 3-1 unciam alti. Folia in caulis latere superiore quam in latere 
inferiore latiora, lateralia etiam his dimidio latiora. 
A S. lozensi et S. galipensi, ramis crassioribus foliis latioribus et 
pedunculo breviore recedit. 
7. S. LoxENsE (Hook. in Kunth. Syn. Pl. quin. i. 62, Hypnum). 
Folia patentia, concava, marginibus flexura latiuscula recurvis, nervis 
brevibus fere obsoletis, cellulis angustis breviusculis, supraalaribus paucis 
majoribus subquadratis pellucidis; perichzetialia anguste lanceolata, apici- 
bus subserrulatis. Theca in pedunculo gracili inclinata, ovalis, ore obliquo, 
peristomio parvo, dentibus extus scabris intus trabeculatis. 
Hab. Andes Quitenses ad fl. Pastasa loco Antombos (5000 ped.), Spruce, 
n. 990; secus Rio Verde (4000 ped.), Spruce, n. 991; ad fl. Bombonasa 
(1500 ped.), Spruce, n. 992, 993; in sylva Canelos ad rivulum Topo (3000 
ped.), Spruce, n. 996; et forma turgidior, Spruce, n. 997; fl. Pastasa superius 
(4000 ped.), Spruce, n. 998. Andes Peruvianz, in sylvis Cinchonis 
regionis temperatz juxta Loxa et Genzananan (1080 hexap.), Humboldt, 
in ramis fl. Huallaga inundatis (1300 ped.), Spruce, n. 994 ; Tarapoto 
(1500 ped.), Spruce, n. 995; Brasilia, Sierra dos Orgaos, Gardener, n. 97, 
98, 102; in Serra inter Antonina et Corritiba ad arbores, Weir, n. 47. 
S. cespitoso paululum gracilius, foliis indistincte nervatis. 
