Bryum. | 10. BRYEX. 308 
Caulis ruber, lineam altus. Folia } lineam, comalia 4 lineam longa, 
nitida. Pedunculus uncialis. Theca cum collo 14 lineam longa. 
68. B. TENELLUM (Schimp.; C. Müll. Sun. 3. 572). Dioicum, humile; 
ramulis subjulaceis. Folia dense imbricata, ovata, concava, integerrima, 
excurrentinervia, laxe reticulata ; perichztialia majora, interna lanceolata, 
nervo sub apice evanido. Theca in pedunculo semiunciali cernua, sub- 
nutans, breviter pyriformis, brevicolla, fusca, late annulata, operculo brevi 
conico; peristomio Webere. 
Hab. Mexico, Pico de Orizaba, Liebmann. 
Proxime ad B. cellulare (Indie orientalis) et B. Ludwigii (Europe), 
eujus thecam et peristomium habet, accedit.— C. Müll. Le 
69. B. canpicans (Tayl. MS.). Dioicum, exspitosum ; caulis brevis. 
Folia tereti-imbricata, late orbiculato-ovata, obtusa, concava, nervo supra 
medium evanido, cellulis superioribus oblongis limitibus rotundatis, in- 
ferioribus rhombeis; comalia late ovata, obtusa. Theca in pedunculo 
longiuseulo pendula, sporangio cylindraceo, collo sensim attenuato dimidio 
breviore, operculo conico, peristomii interni processibus ciliis :equilongis 
teneris, in membrana ad medium dentium externi longitudinis exserta im- 
positis. : 
Hab. Andes Quitenses, Jameson, in monte Carguairazo (11,000 ped.), 
Spruce, n. 262. Fl. Negro ad rupes graniticas apricas, Spruce, n. 263. 
Caulis 2-6 lineas altus. Folia 1 lineam longa, argenteo-viridia, arctis- 
sime imbricata. Pedunculus 4-linearis, ruber, ante thecam longe cur- 
vata. Theca l} lineam longa, fusca. 
70. B. ARGENTEUM (Linn. Sp. Pl. 1586; Bryol. Europ.t.41). Dioi- 
cum, humile. Folia tereti-imbricata, late subrotundate ovata, concava, 
apiculo plus minus elongato terminata, marginibus integerrimis, nervo 
supra medium evanido vel in acumen producto, cellulis in dimidio superiore 
elongatis angustis, in inferiore latioribus rhombeis, ad angulos quadratis ; 
comalia late ovata, acuminata. Pedunculus breviusculus, ruber. Theca 
pendula, sporangio ovato, collo breviusculo, post exsiccationem rugulosa, 
peristomii interni processibus ciliis tribus zequilongis interpositis, in mem- 
brana ultra medium dentium externi exserta insidentibus. 
Hab. Ins. Cuba, Wright, n. 59. Andes Bogotenses (8000-9000 ped.), 
ad terram et in tectis, Weir, n. 238, 299. Andes Quitenses, Jameson, Bafios 
(6000 ped.) Spruce, n. 260; Titaicun (11,000 ped.), Spruce, n. 261. 
Brasilia, Gardner, n. 34, et (2000 ped.) Weir, n. 63. 
Caulis 2-4 lineas altus. Folia linea dimidia breviora, argenteo-viridia, 
nitida, apice vel mutica vel in mucronem piliformem plus minus elongatum 
producta. Pedunculus 3-6-linearis, ruber, rarius flavus. Theca sanguinea. 
71. B. BREVICAULE (Schimp. ez C. Müll.. Dioicum, humile, ramulis 
teretibus vel clavatis fragilibus. Folia imbricata, apice recurva, cordato- 
ovata, mucronata, concava, integra, nervo solido viridi, cellulis sat magnis 
