328 BULLETIN OP THE UNIVERSITY OF WISCONSIN. 



those of upper part of innovations narrower, long and narrowly acuminate, 

 almost subulate; acute, not carinate, canaliculate, sometimes sub- 

 tubulose above, entire or sub-denticulate at apex; cells compact, narrow, 

 very long, attenuated, walls rigid, thickened; cells of angles dilated, large, 

 oblong sub-hexagonal or sub-rectangular, brown or yellowish, forming dis- 

 tinct auricles; perichaetial leaves broadly oval, obtuse, finally lacerate at 

 summit: capsule immersed, oblong sub-cylindric; lid and peristome un- 

 known. Monog. des Fontin., 1 c, 67. — Olympic Mountains, Washington.. 

 884. Fontinalis Delmarei Een & Card. — Dull green, naked below, 

 much divided; branches irregularly pinnate, branchlets erect-spreading, 

 attenuate: leaves crowded, erect, loosely imbricate, oblong lanceolate, 

 obtusely acuminate, concave, not keeled, slightly incurved on the borders; 

 cells linear-elongated, sometimes rather flexuous; alar cells few, small sub- 

 hexagonal; perichaetial leaves often lacerate at rounded apex: capsule im- 

 mersed, oblong sub-cylindric; lid conic acuminate; teeth of peristome nar- 

 rowly linear acuminate, lamellae 14^-20, divisural line distinct at base only 

 and not perforated; cilia united at apex only, lower transverse bars im- 

 perfect, papillose, not appendiculate. Bot. Gaz. 14: 96. 1889. — Growing, 

 on stones in streams: Island of Miquelon. 



385. Fontinalis mollis 0. Miill. — Plants soft, floating, of a beautiful 

 I green: stems long, naked at base, much divided, irregularly pinnate, 



branches robust, unequal, short-cuspidate or sub-obtuse, erect spreading: 

 leaves loosely imbricate, or erect spreading, soft, plieate when dry, very 

 concave, inflexed on borders, broad oval, obtuse, entire; cells at anglea 

 sub-hexagonal, yellowish, greenish or concolorous and scarcely distinct; 

 others linear rhombic, sub-flexuose, very chlorophyllose, walls delicate; 

 upper perichffitial leaves oval sub-orbicular, truncate and finally lacerate 

 at summit: capsule immersed, oval; lid conic, obtuse; peristome purple, 

 teeth linear-acuminate, faintly papillose, lamellae 28-32, entire or slightly 

 perforated near base in middle line, generally cohering in pairs at summit; 

 transverse bars of endostome imperfect, strongly muricate. Monog. des. 

 Fontin., 1. c, 90. — Washington. 



386. Fontinalis NoTse-Anglise Howei Card. — Leaves more acuminate, 

 sometimes sub-acute; capsule half immersed. Monog. des Fontin., 1. c, 

 93. — On rocks in streams: Ft. Edwards, N. Y. 



387. Fontinalis Novse-Angliae Eatoni Card. — More shining, copper 

 color: stems softer, less regularly pinnate, branches erect: leaves crowded, 

 more erect, a little firmer and more elongated. Monog. des Fontin., 1. c, 

 94. — On rocks in streams: New Hampshire. 



388. Fontinalis Cardotl Ren. — Plants soft, dirty green or yellowish:, 

 stems flexuous, naked at base, much divided, pinnate branches often fas- 

 ciculate, erect-spreading, robust, obtuse or short attenuate: leaves quite 

 crowded, erect-imbricate, very concave, inflexed at margin, broadly oval- 



