b. Leaves gen. distant; alar cells not large. : 
88. Leaves serrulate or serrate, gen. large; costa simple us. 
long. 
9.R.serrulatum Hedwig. — Hypnum H.; Sullivant ic. m; 
Rhynchostegium Kindb.; Hypnum (Rhynchostegium) Lq. et Jam. 
Leaves serrulate pellucid neither striate nor decurrent; cells 
sublinear exc. the sometimes not well-defined alar; costa thin 
often reaching above middle. Stem-leaves filiform-pointed us. 
ovate-oblong; branch-leaves broadly ovate-lanceolate with short 
sublinear twisted point. Capsule arcuate; segments entire; an 
nulus broad; lid rostrate; pedicel smooth. us. long. Stem pin- 
nate creeping, r. with paraphyllia, Tufts pale green. Monoe- 
cious. — On ground in dry woods. Amer. not r. Can.: Macoun. 
U. S.: Roell; Sullivant, com. C. Mueller; Fitzgerald, com. Renauld. 
* R.eriense Kindb. — Eurhynchium: note on Can. bryol zii 
Leaves subovate nearly crowded, shorter ‘and less distant; alar 
cells more distinct. Capsule smaller: pedicel short. — Amer, 
Can.: Macoun. U. S.: Roell. 
* R.hispidifolium Kindb, — Eurhynchium Kindb. 1. c. 
Branches longer. Leaves very long, ovate-lanceolate lo 
acuminate sharply serrate. Capsules und flowers unknown. 
Amer. r. Can. Brit. Col.: Macoun. 
bb. Leaves entire or near apex minutely denticulate. 
10.R subintegrifolium Kindb, — Eurhynchium Kindb. 1. € 
Leaves decurrent chlorophyllose ovate-oblong short-pointe 
faintly striate; alar cells somewhat humerous, the others sul 
near; costa mostly thin gen. reaching to acumen, sometime 
thicker, shorter and forked. Capsule subobovate or arcuate: 
pedicel smooth; lid and male flowers not seen. Habit of 
serrulatum. — Logs r. Amer. Can. Brit. Col. Macoun: 1 
11.R.styriacum Limpricht et Breidler, — Limnobium Lpr. 
Breidl. in sched.; Rhynchostegium Kindb. it 
Leaves (of branches) broad-ovate abruptly short-acuminal 
neither decurrent not striate; cells oblong-linear exc. the dusl 
quadrate alar. Tufts yellowish not radieulose. Synoecio 
Capsules not seen. — Inundated rocks r. Eur. Austria ne 
‘Schladming: Breidler, com. Limpricht. 
ce. Leaves minutely denticulate, 
12.R.bifariellum Kindb. — Plagiothecium cat. Can. m. 
Leaves small neither striate nor crowded nor distinctly. 
current; : alar cells small few quadrate, the others gen. line 
Stem-leaves short somewhat broad ovate-cordate nearly en i 
