228 6. ORTHOTRICHE®. [ Schlotheimia. 
boideis quadrangulo-parallelogrammicisve, folia superne plana non carinata 
basi subconcava; perichztialia latiora, basi plus minus dilatata, sed non 
longiora. Seta brevis, 4-6 millim. alta, incurvata. Theca obpyriformis cylin- 
dricave, fusco-viridis, sicca tenuissime striata, annulo simplici, peristomii 
duplicis dentibus externis longis fuscis linea dilutiore exaratis transverse 
lineolatis, apice paulisper fissis, ciliis interioribus paulo brevioribus hya- 
linis plus minus angustis apice interdum fissis, operculo e basi globosa 
breviter subulato aureo-fusco; calyptra glabra, subscabra, facile decidua, 
fusca, ad apicem intensius colorata, acuta, capsulam æquans, basi appen- 
dicibus 5 (rarius 6) dilutioribus primo ineurvis dein incurvo-reflexis, his 
acutis, illis truncatis.—Duby, l. c. 
Hab. Mexico, prope Vera Cruz, ad arborum truncos, Sumichrast. 
29. S. GRACILIS (Hornsch. in Mart. Fl. Bras. Musc. 35). Repens, 
gracilis, nuda, ramosa, ramis adscendentibus gracilibus sparse ramulosis 
foliosis. Folia sicca torta, canaliculata, integerrima, fuscescentia, nervo 
valido ferrugineo excurrente, cellulis subquadratis minutis obscuris.—C. 
Müll. Syn. i. 763. 
Hab. Brasilia, Martius. 
30. S. TRICHOMITRIA (Schwegr. t. 169). Rami fasciculatim ramosi. 
Folia densa, erecto-patentia, apicibus recurvis, oblongo-ligulata, rugulosa, 
nervo percurrente carinata, integerrima, margine inferne uno latere reflexa, 
cellulis basilaribus elongatis limitibus prominulis, superioribus rotundo- 
ovalibus obliquis; perichzetialia interna majora, longiora, oblongo-ligulata, 
obtusa, mucrone minuto. Theca in pedunculo breviusculo, cylindracea, 
opereulo conico acuminato, peristomii dentibus opacis, basi linea media 
notatis, dense papillosis, interni ciliis angustis; calyptra pilis flavis dense 
obtecta. 
S. compacta, C. Müll. Syn. i. 763. 
S. glauca, C. Müll. l.c. ii. 648. 
Hab. Venezuela, Galipan (6000 ped.), Wagner (S. glauca). Brasilia, 
Montevideo, Sellow ; Minas Geraés ad Pajol, Gardner, n. 67 (S. compacta); 
Rio, Heward, Parana, Fazenda de Tucanduva (2000 ped.), ad arbores, 
Weir, n. 97. Brasilia, ex Herb. Sowerby. 
Rami unciales, in czespitem congesti, erecti, superne fasciculatim ramosi. 
Folia fulva, nitida, sicca appressa, spiraliter contorta. Calyptra inferne 
pilis strictiusculis crispatulisve pilosa. 
The distinctions on which S. glauca and S. compacta have been 
separated from S. £richomitria appear to be very slight. 
41. DRuMMONDIA, Hook. in Drum. Musc. Amer. No. 62. 
Musci graciles, in cespitibus latis expansi, ramis humilibus. 
Folia parva. Habitatio ad arborum corticem, et in rupibus. 
D. optusirouia (C. Müll. Syn. i. 686). Monoica, longe repens; 
ramis densius approximatis brevibus viridissimis, inferne sordidis, brevis- 
