3. Breutelia (Bruch & Schimp.) Schimp.   热泽藓属   re ze xian shu

Coroll. Bryol. Eur. 85. 1856. Bartramia sect. Breutelia Bruch & Schimp., Bryol. Eur. 4: 1. 1851. Bartramia subgen. Breutelia (Bruch & Schimp.) Hampe, Ann. Sci. Nat., Bot., ser. 5, 3: 373. 1865.

 

Plants rather robust, yellowish green or brownish green, in loose or dense tufts. Stems often irregularly multi-branched, rarely simple or few branched; densely tomentose below. Leaves spreading, squarrose, ovate-lanceolate or narrowly lanceolate, often plicate at base; margins serrate, rarely entire; costae slender, mostly excurrent; leaf cells irregularly and narrowly rectangular, rarely shortly rectangular or narrowly hexagonal, mostly thick-walled, often papillose; basal cells lax, rectangular, often uni- to bi-stratose at margins; alar cells somewhat differentiated or well developed. Dioicous. Perichaetial leaves large, erect, often forming rosettes. Setae short to elongate, rarely curved; capsules inclined or pendulous, rarely erect, spherical or broadly ovoid, furrowed when dry; opercula small, conic at base, shortly rostrate; peristome double; endostome segments shorter than the teeth, mostly papillose; cilia reduced or absent. Calyptrae not seen. Spores nearly spherical, papillose.

 

 

1. Plants usually larger than 10 cm, up to 20 cm long; leaves narrowed and auriculate at base....................... 1. B. arundinifolia

1. Plants usually less than 10 cm long; leaves broader at base, nearly truncate at insertion................................. 2

2. Leaves strongly squarrose, distinctly sheathing at base.......................................................... 2. B. dicranacea

2. Leaves usually erect-spreading, slightly squarrose, not clearly sheathing at base............. 3. B. yunnanensis