— 9 — 



5. Antitrichia Bridel. 



A. Upper leaf-cells narrow. Pedicel of capsule elongate. 



1. A. cnvtipeuuula L. — Hypnum L.; Antitrichia Brid. 



Leaves striate, from ovate base abruptly acuminate or ovate- 

 lanceolate, narrowly reilexed to the denticulate acumen; nerves 

 3, the median reaching into acumen. Perichetial leaves serrulate 

 at acumen. Capsule oblong; lid apiculate; pedicel curved or 

 flexuous. Perigonial leaves very short. Stem pinnate. — Rocks 

 and trees. Eur. gen. common, Sweden, Switzeii ! Amer. r. 

 Can.: Macoun. 



2. A. gigantea (SuU. et Lq. as var.) Kindb. rev. bryol. 189'). 

 Leaves larger, not striate, broadly ovate-lanceolate, broadly 



recurved to the nearly entire or minutely denticulate acumen; 

 nerves gen. 5, the median vanishing far below acumen. Periche- 

 tial leaves entire. Capsule oblong cylindric; pedicel straight. 

 — Am-r. not r. in Pacif. distr. Alaska: J, M. Macoun. Can.: 

 J. Macoun. U. S. Oregon: J. A. Hertzman, com. E. Nyman. 



3. A. tenella Kindb. bull. Torr. club XVII. 



Differs from A. curtipendida: Leaves smaller, not striate, 

 ovate acute, recurved all around, denticulate at apex; cells gen. 

 shorter; median nerve more abbreviate. Perigonial leaves longer. 

 Stem irregularly divided with numerous very short branches. 

 Only male plants found. — Rocksr. Amer. Can. Pacif. distr.: Macoun. 



B. Upper leaf-cells oval-oblong. Pedicel short-emergent. 



4. A. pseudo-californica Kindb. check-list of Eur. and 

 N. Amer, mosses. — Neckera californica Hooker et Arnott; 

 Alsia Sull. 



Leaves ovate obtuse or short-acuminate acute, not striate, 

 nearly entire; nerves 3, the median reaching gen. to middle. 

 Perichetial leaves long-acummate. Capsule cylindric- oval ; lid 

 rostrate; pedicel straight. Stem pinnate with very short bran- 

 ches. — Amer. Pacif. distr. U. S.: Miss Mann, com. Cardot. 



Fam. 2. AtiomodontacesB, 



6. Anomodon Hooker et Taylor. 



I. Eu- Anomodon. Leaves distinctly papillose, r. recurved, 

 not r. large, often crisped when dry. Secondary stems often erect. 



II. Leskeella. Leaves nearly smooth, small, us. recurved, 

 gen. appressed when dry. Stem us. creeping. 



I. Eu-Anomodon. 

 A. Leaves large very broad at base, not subulate, crisped; bor- 

 ders undulate not recurved; inner basal cells sublinear pellucid, 



2 



