-= 140 — 
round-oyal not well-defined, the others linear. Capsule oval- 
oblong; teeth pale yellow; segments hyaline; lid apiculate; pedicel 
short. Tufts green. Habit of H. cupressiforme (but. with small 
leaves). Differs from H. circinnale in brown or green longer 
us. irregularly pinnate stem, not horizontally patent branches 
and not striped leaves. — Trees r. Amer. Can: Macoun; Wag 
horne. aen 
B. Leaves entire or (sometimes in H. Dieckii) at acumen 
slightly denticulate; alar cells hyaline somewhat large. Stem | 
not creeping; paraphyllia none, Dioecious r. fruiting. Capsule 
large. fy 
50.H.callichroum Bridel. 
Leaves lon 
way: R. Hartman. Finl.: Brotherus. Engl.: 
Husnot. Germany: Boulay. Austria: Juratzka. 
Berggren. Amer, Greenl.: Berggren. 
51.H.Dieckii Renauld et Cardot. Mic 
Leaves from subovate base acuminate; cells linear-lanceolate 
exc. the alar. Tufts green. Stem irregularly divided. Ha! 
of Calliergon montanum, — Amer. r. U. S.: Roell, com. Cardot. 
5. Raphidostegioidea. row 
A. Leaves denticulate, Stem radiculose subpinnate; branches 
compressed. iE 
52.H.Jamesii Sullivant. — Rhynchostegium Sull. ic. m.; Hy 
num Lesquereux et James. yee 
Leaves entire below, denticulate above, subabruptly tapering 
to a subulate often filiform-pointed acumen; alar cells few sub- 
quadrate not large, the others linear. Stem-leaves with br ud 
ovate base; branch-leaves ovate-oblong. Perichetial leaves with 
subulate acumen and sometimes with filiform point, denticulate 
