512 THE JOURNAL OF BOTANY 
in two sections—(1) § platyphylla with short and wide stem-leaves, 
and (2) § stenophylia with elongated and narrow stem- leaves. The 
with the branch-leaves loosely arranged and undulate, and su 
os (2) ane with the branch-leaves closely arranged and 
less u 
16. S. FALLAX Klinger. in Topogr. Fl. v. Westpreussen, 1880, 128. 
Hydrophilous. In green portion tufts; when dry resembling 
in habit a rather robust S. re 
Stem-cortex not mpc differentiated from the wood-cylinder, 
and hence apparently abse 
Stem-leaves rather dpe? narrowly isosceles-triangular or broadly 
triangular, and produced above into a more or less suddenly con- 
tracted, longer or shorter, narrowly truncate and toothed apex; in 
this case ‘9-1-1 mm. wide at the — and 1:1-1:46 mm. long 
r 
non-bordere pores, as in S. oo on the yi surface either 
with ae pores, which are frequently several together in each 
cell, as in S. recurvum. 
_ Chlorophyllose cells in oe broadly trapezoid, similar to those 
in S. cuspidatum and free on both surfaces, or some of them 
triangular and then ented on the inner surface by the more 
convex hyaline cells, as is the usual case with S. recurvum. 
Ha auc in win pools. 
Distr. Ge 
ranch-1 eaves; from S. recurvum by ¢ the larger stem ent es which 
have the border of equal width all round ent are Abrillose in the 
