130 
NEW ARRANGEMENT OF 
Sphagnum^ each sui generis, must, as it were, stand in- 
termediate. 
Plate VII. 
Fig. 1. Theca of Andraa alpina, before it has separated 
into four valves. The ragged vaginula is seen 
at the base of tlie small apophysis ; and to- 
wards the bottom of the elongated receptacle 
are situate the abortive pistilla. 
2. Theca of the same, in a dry state. After the spo- 
rules have escaped, the columella is seen, and 
is shorter than the theca. 
3. Calyptra of the same. 
4. Sporules. 
All the figures are more or less magnified. 
Gen. II. Sphagnum, JDilL 
Fruct. Receptaculum lenticulare, seu in clypeolum pla- 
niusculum horizontaliter dilitatum, albo-fuscescens pseudo- 
pedicellatum, pedicello pallidiore, semiunciam ad sex- 
cunciam longo, crasso, siccitate paulum tortili. Calyptra 
pallens " veli albi instar,*" tenerrima, tunc thecam arete 
circumcingens, et thecae basin adnata, nunc transversim et 
irregulariter dehiscens; cujus pars inferior, vel vaginula 
receptaculo adhaeret, parsque superior, vel calyptra, propria 
dicta, valde fugax est. Nec seta nec apophysis uUa. Theca 
Integra, ovata, globosa, urceolata, aut turbinata, in eadem 
specie varians ; ore amplo ; brunneo-fusca, laevis, recepta- 
culum immediate insidens. Operculum planiusculum, seu 
eonvexum, matutine deciduum, thecae concolor. Peristo- 
