— 271 — 



5.A.aloides Koch. — Trichostomum Koch; Aloina Kindb. 

 1. c; Tortula Notaris; Barbula Bruch. 



Leaves shorter and narrower than in the last, incurved or 

 cucullate, gen. acute with prominent subexcurrent costa. Cap- 

 sule often inclined us. much longer than lid; pedicel reddish; 

 calyptra not much prolonged below lid. — Clay banks. Eur. 

 France: Husnot. Germany: Roemer. Italy: Arcangeli. Greece: 

 Orphanides. 



113. Crossidium Jnratzka. 



A. Leaves blunt. Dioecious. 



l.Cchloronotos (Bridel in part) Bruch. — Barbula (Brid.) 

 Bruch; Crossidium Limpricht. 



Leaves oblong-Ungulate, appressed when dry; hairpoint shorter 

 nearly smooth; upper leaf-cells greenish. Capsule narrow-oblong 

 at least twice longer than the rostrate lid; teeth twice contor- 

 ted; tube long. Tufts dense. — Calcareous rocks and soil r. 

 Eur. Mediterr. distr. France: Schimper; Venturi; Philibert. 

 2.C.lIeinrici Rau. — Barbula Rau; Crossidium Kindb. 



sDiffers from the last: Leaves few small more arrounded at 

 apex; some cells decolorate; hairpoint denticulate. Capsules 

 unknown. — Amer. r. U. S. Kansas: Rau»: C. M. in Flora 

 1886. 



S.C.Manniae C. Mueller. — Barbula (Argyrobarbula) C. M.; 

 Crossidium Kindb. 



»Leaves few small without hairpoint; lamellse few. Capsule 

 small; peristomial tube short. — Amer. r. U. S.»: C. M. in 

 Flora 1887. 



B. Leaves narrowed above to the subacute apex. Monoe- 

 cious. 



4.C.S(3[«amigerum Viviani. — Barbula Viv.; Crossidium Jur.; 

 Tortula membranifolia Hooker; Barbula Schultz. 



Leaves subovate; hairpoint us. as long and denticulate; upper 

 leaf-cells hyaline. Capsule oblong, subcylindric or suboval, 

 finally blackish, longer than the rostrate lid; teeth twice con- 

 torted; tube long. Tufts dense. — Calcareous stones in war- 

 mer distr. r. Eur. BVance: Le Jolis; Bouvet. Amer. »U. S.»: 

 Lesq. et Jam. 

 5.C.griseuin Juratzka. 



Differs from the last: Capsule finally brown; teeth shortish 

 not or faintly twisted nearly without basal tube. Leaves with 

 nearly smooth often longer hairpoint; those of shoots more 

 obtuse, — Eur. r. Italy: Roell; Bottini. 



