— 146 — 



Fam. 14. FontinalacesB. 



63. Foniinalis L. 



A. Leaves serrulate in upper part of acumen. 



1. Serrifoliae. Leaves narrow concave not conduplicate, sub- 

 distichous, us. distant. 



B. Leaves entire or at apex slightly sinuolate. 



2. Angustifoliae. Leaves narrow us. concave subdistichous, 



3. Latifoliae. Leaves of stem broad us. conduplicate, some- 

 times soon deciduous, us. tristichous. 



1 . Serrifolise. 



A. Leaves narrowly long-acuminate not distinctly decurrent; 

 alar cells not large. Capsule long cylindric; lid long-conic. 

 l.F.disticha Hooker et Wilson; Sulliv. ic. muse. t. 63. — F. 

 microdonta Renauld ? 



Leaves ovate-lanceolate not convolute; upper and inner cells 

 narrow sublinear. — Amer. r. Can. Macoun Canad. musci n. 

 281 (»F. Lescurii»). 



S.F.flliformis SuUivant et Lesquereux. — F. disticha var. 

 tenuior Sulliv. ic. m. tab. 64. 



Leaves convolute above, smaller and narrower than in the 

 last; cells suboblong or oblong-lanceolate. — Amer. r. U. S.: 

 Langlois, com. Cardot. 



B. Leaves broadly acuminate often decurrent; alar cells large. 

 Capsule oval-oblong. 



a. Leaves not long-acuminate; apical cells sometimes suboval. 

 S.F.Lescurii Sulliv. ic. ui.t. 61. — »F. flaccida Ren. et Card.*: CM. 



Leaves decurrent short-acuminate gen. ovate-oblong; cells gen. 

 linear-lanceolate exc. the alar. Capsule with long-conic lid. — 

 Amer. r. U. S.: Brendel, com. C. Mueller; Fitzgerald and Langlois, 

 com. Cardot. Can.: Macoun. 



4.r.Siillivantii Lindberg. — F. Lescurii ramosior Sull. ic. m. t. 

 62; F. Langloisii Cardot ? 



Leaves not distinctly decurrent, narrowly ovate-lanceolate; 

 cells gen. suboblong nr oblong-lanceolate. Capsule with short- 

 conic Hd. — Amer. r. U. S. Austin, com. Macoun. 



b. Leaves long-acuminate; apical cells oblong- lanceolate. 

 5.r.denticulata Kindb. in Hedwigia 1897 p. 61. 



Leaves decurrent narrowly ovate-lanceolate, larger and longer 

 than in the both last; cells gen. sublinear or linear-lanceolate. 

 Capsules not seen. — Amer. r. U. S, S:t Louis: Engelmann, 

 com. Roell. 



