280 10. BRYER. [.Bryum. 
Sect. 1. Brachymenium. 
Musei cespitosi, caulibus breviusculis. Folia lata. Thecæ 
erectz vel inclinatz, operculis brevibus depressis. 
Jl. B. PATULUM (Schimp.; C. Müll. Syn. ii. 579). Monoicum, laxe 
czespitosum ; caulis 3-3 uncie altus, ad comam usque radiculosus. Folia 
inferiora remota, minuta, appressa, ovato-lanceolata acuminata, ferru- 
ginea, pellucida, evanidinervia; comalia multo majora, conferta, patula, 
spathulata, nervo ferrugineo in mucronem excedente, margine plus minus 
conspicue cireumducta, apice remote denticulata, intense viridia, opaca, 
sicca complicata tortuosa; perichetialia minora, vix vaginulam superantia 
erecta. Theca in pedunculo unciali tenui erecta, oblonga, leptoderma, 
badia, collo sporangio duplo breviore, siccitate sub ore leniter constricto ; 
peristomii majuseuli exterioris dentes lanceolato-subulati, remote arti- 
culati, pallide ferruginei, humore erecto-patentes apice incurvi, siccitate 
omnino ineurvi; interioris membrana dentibus duplo brevior, plicata, 
margine inequali, laxe reticulata, punctulata.— C. Müll. Le 
Hab. Mexico, Mirador, ad arborum truncos.— Liebmann. 
2. B. svsrvL1vuM (C. Müll. Syn. i. 320). Dioicum, compacte czspi- 
tosum; caules inferne tomento radicularum intexti. Folia zequalia, pa- 
tentia, in ramorum apicibus imbricata ; caulina breviter ovalia, concava, 
acuta, nervo excurrente piliformi, marginibus planis recurvisve integer- 
rimis, limbo nullo; comalia longiora oblonga, marginibus reflexis, apicibus 
piliformibus, nervo continuo vel sub apice desinente, cellulis ovali-hexa- 
gonis utrieulo contracto repletis, basilaribus pluribus quadratis. Pedun- 
culus elongatus. Theca cylindracea subclavata, erecta, sporangio ovali, 
collo dimidio breviore, operculo conico, peristomii interni membrana 
erosa, fere ad dentium externi medium producta. 
Bryum crinitum, Mitt. in Hook. Kew Journ. iii. 56. 
Hab. Mexico, prope Xalapa, Deppe et Schiede ( Acidodontium Kunthii, 
Hornsch.). Andes Quitenses, Quito, Jameson; Luemas et Guataxi, 
Spruce. 
Caulis j-3 unciam altus. Folia į} lineam longa; comalia fere lineam 
attingentia, viridia, seniora fusca. Pedunculus j-uncialis. 
Specimina Andina a Mexicanis pilo breviore tantillum discrepant. 
3. B. cAPILLIFOLIUM (C. Müll. Syn. ii. 578).  Dioicum, compacte 
ceespitosum, radiculis rufis tomentosum ; caulis innovationibus dichotome 
ramosus, innovationibus plurimis sterilibus. Folia conferta, late viridia, 
nitida, madore patentia, sicca imbricata et subcontorta, ramea obovalia et 
subspathulata, comalia ovali-oblonga et lato-lanceolata, omnia concava, 
margine integerrima, ex apice obtuso in apiculum piliformem producta, 
nervo tenui rufescente; perichztialia lanceolata, tenuissime acuminata. 
Theca in pedunculo recto unciali erecta, oblongo-pyriformis et clavata, 
brevicolla, opaca, ore angustata, annulata, opereulo conico minuto; pe- 
