WjpmwL] BRYACE^. 395 



those of the angles large, quadrate, hyaline or yellow ; outer 

 perichnetial leaves siDreadiug from the middle, the inner sub- 

 clasping, abruptly narrowly acuminate, serrulate, obscurely 

 short-bicostate : capsule erect or incurved, oblong or subcyl- 

 indrical, chestnut-color, slightly constricted below the orifice 

 when dry ; operculum convex at base, with a short narrow 

 beak ; teeth ferruginous and confluent at base, pale dirty color 

 above ; segments cleft ; cilia one or two, more or less pei'f ect ; 

 annulus triple, persistent. — Spec. PI. 1126; Hedw. Muse. 

 Frond, iv. 59, t. 23 ; Bryol. Eur. t. 59-1, 595. Stereodon cu- 

 pressiformis, Brid. 



Var. tectoruin, Brid. More robust ; tufts intricate, round, 

 flattened on the borders, tumescent in the middle, fuscous green ; 

 branchlets close : leaves longer-acuminate : capsule incurved, 

 oblong. — Bryol. Univ. ii. 612. 



Var. brevisetum, Bruch & Schimp. Densely cespitose, 

 velvety green; branches and branchlets erect, fastigiate, sub- 

 terete : leaves densely imbricate, slightly subsecund or erect, 

 shorter, more concave, narrowly acuminate: capsule short- 

 pedicellate, subarcuate, oblong; operculum acute. 



Var. uncinatlllum, Bruch & Schimp. Short, slender and 

 small ; branchlets uncinate at the apex : leaves shorter and 

 narrower : capsule short-pedicellate, very small ; operculum 

 long-beaked. 



Var. filiforme, Brid. Tufts compressed or pendent ; stems 

 very long, filiform, with few branches, often interrui)tedly foliate : 

 leaves densely crowded or loose, secund and suberect or spread- 

 ing equally : capsule small, the fruit rare. 



Var. mamillatum, Brid. Tufts depressed, bright green, 

 glossy: leaves obliquely imbricate, two-ranked, falcate-secund, 

 tumid at base : operculum mammiform. 



Var. ericetorum, Bruch & Schimp. Stems long and slender, 

 in soft ])ale green tufts, pinnately ramulose : leaves narrower, 

 less crowded, circinnate-falcate : capsule on a longer slender 

 pedicel, shorter, incurved ; operculum short, subulate. 



Var. elatum, Bruch & Schimp. Robust, in wide loose 

 tufts, variegated brown ; stems erect, with few branchlets, 

 thickly foliate : leaves larger and broader, veiy concave, 

 abruptly acuminate, yellowish green : capsule erect, cylindrical, 

 incurved under the orifice. 



