CEPHALOZIA. 389 
rarius in spicis terminalibus, positi. loves 9 in plurimis speciebus 
cladogeni, in perpaucis normaliter acrogeni, in aliis situ vario nunc 
terminales nunc postici. Bractew in capitulum congestz, tristiche, 
sepissime trijugee, bi- (dein 3-4-) lobse, inter se (saltem intime) 
sepe connate, a periantho tamen libere. Pistillidia 20, raro 
pauciora. Perianthiwm elongatum trigono-prismaticum (in subgenere 
Cephaloziella 3-6-gonum), ore truncato constricto varie fisso denti- 
culatove, raro integerrimo. Calyptra parvula, basi pistillidiis 
sterilibus circumdata. Capsula oblonga, ab ipsa basi quadrivalvis, 
bistrata, cellulis strati interioris fibris semiannularibus fulcitis: 
pedicello elongato tenui, cellulis in longitudine sub 60-seriatis 
conflato, suffulta. Hlateres dispiri decidui. Spore minute. 
Hab. Loca umbrosa et subhumida in sylvis et rivulorum ripis 
planitiei et montium humiliorum, ad terram, saxa, et preprimis ad 
truncos putrescentes. Loca aperta fugiunt, turbariis et sphagnetis 
exceptis, ubi inter muscos hygrophilos nidulant. Nullo climate nisi 
frigidissimo exules, species perpauce alpinz vel arctice in die 
cognite. 
Dist. In zonis temperatis, boreali precipue, magis frequenter 
adveniunt Hucephalozie et Cephalozielle ; sub equatore paucee 
species, isteeyue propriz, inveniuntur. Proto-Cephalozias, Pteropst- 
ellas et Alobiellas solum ex America tropica possidemus. Zoopsis 
habet tres species, alteram Amazonicam, alteras duas Australasicas 
et Malayanas. Odontoschismatis paucze species bene cognite cos- 
mopulitanz fere videntur, nullis terris nisi australioribus deficientes. 
Subgenus I. PROTO-CEPHALOZIA, Spruce, op. cit. (1882). 
Caulis nullus, nisi axiculus floris feminei brevissimus, ex ipso prothallio 
ortus. ractee foliacez tristiche profunde bilobe. Perianthia trigona, 
ore in 6 lacinias longas fissa. Andrecia in prothallii ramis nematoideis 
terminalia, spicata, bracteis minutis monandris. 
1. CEPHALOZIA EPHEMEROIDES, Spruce. (Tab. XV.) 
In sylvis fluvii Negro superioris, locis 8. Carlos et Catanacunami, ad terram 
umbrosam. 
Filamenta ‘8—-1°6™™ longa, eorundem cellule 73-3 longe, 7™™ late; br. 
Q 1°75, cellule ;5-1; per 2°5; caps 3 x °18™™. 
Minuta albescens acaulis, facie Ephemert equinoctialis Spruce. Protonema 
ceespitosum, filamentis confervoideis suberectis fastigiatis subdicho- 
tome ramosis constans. Cellule filamentorum uniserlatee—rarissime 
basin versus biseriate—vix duplo longiores quam late, pellucide 
TRANS. BOT, SOC. EDIN. VOL. XV. 24 
