Muscineen. 243 



Leaf-lobes 0,5 — 0,6 mm long and 0,4 — 0,5 mm wide; cells 

 with some waht thicker walls and more distinct trigones: 



Cheilolejeunea intertexta Steph. 

 Underleaves distant. 



Leaf-cells with large, conspicuous trigones : 



Cheilolejeunea hawaica Steph. 

 Leaf-cells thin-walled, without trigones: 



Cheilolejeunea sandvicensis Steph. 



Leaf-cells thin-walled, not papillose, sometimes with small 



trigones : (Lejeunea). 



Underleaves bifid to beyond the middle ; leaf-cells without 



trigones; perianth retuse at apex: 



Lejeunea ijacifiea Mont. 

 Underleaves bifid to about the middle ; leaf cells with small 

 trigones perianth not retuse at apex: 



Lejeunea anisophylla Mont. 

 Leaves erect-spreading : 



Microlejeunea albicans Steph. 

 Underleaves absent : 



{Cololejeunea). 

 Lobule more than half as long as lobe: 



Cololejeunea Cookei Evans. 

 Lobule less than half as long as lobe. 



Lobe not hyalin-margined, Stylus reduced to a Single 

 cell, often obsoleti. 



Lobe les than twice as long as broad. 



Perianth strougly compressed, with a low 

 broad, postical keel, duply eraarginate at apex; 

 inflorescence autoicous. 



Q inflorescence borne on a very short 

 brauch, with a short sterile Innovation ; 

 leaf-cells with conspicuous trigones: 



Cololejeunea ohcordata Evans. 



9 inflorescence borne on a principal 



brauch, innovating on one side, the 



Innovation often floriferous ; leaf - cells 



without trigones : 



Cololejeunea cratocarpa Steph. 

 Perianth slightly compressed with a high, two angled 

 postical kell, not retuse at apex ; inflorescense dioicous : 



Cololejeunea ovalifolia Evans. 

 Lobe more than twice as long as broad : 



Cololejeunea Hillehrandii Steph. 

 Lobe hyaline-margined. ad least near apex. 



Stylus reduced to a Single cell, often obsolete; lobule 

 plane : 



Cololejeunea lanciloha Steph. 

 Stylus composed of several cells, lobule inflated: 



Cololejeunea longistylis Evans. 

 Underleaves present, doubled (i. e. two for each pair of side- 

 leaves) ; leaves ending in a long, inflated sac : 



Colurolejeunea tenuicornia Evans. 

 Auch diese Arten werden ausführlich englisch beschrieben und 

 zum grössten Theil abgebildet. Ein Register mit Angabe sämmt- 

 licher Synonyma beschliesst diese ausgezeichnete Arbeit 



Warnstorf (Neuruppin). 



Bauer, E., Bryologischer Bericht aus dem Erzgebirge. 

 (Deutsche botani-sche Monatsschrift. Jahrg. XVIII. 1900. No. 3. 

 p. 37—40.) 



16* 



