No. II.] THE BRYOPIiVrES OF CONNECTICUT. 8/ 



Andreaea petrophila Ehrh. 



On non-calcareous rocks in mountainous or hilly regions. 

 Summer. Hartford: Bloomfield, Miss Lorcnz. New 

 Haven: Meriden, Miss Lorens; Woodbridge (1878), /. A. 

 Allen. 



Arctic America, Canada, and the northern United States ; 

 South America ; Europe ; Asia ; Tasmania ; New Zealand. 



Andreaea Rothii Web. f. & Mohr. 



On non-calcareous rocks in mountainous or hilly regions. 

 Summer. Litchfield : Salisbury, Nichols. New Haven : 

 Beacon Falls, Evans; Branford, Eaton; Oxford, Harger; 

 .Woodbridge (1887), Setchell. 



Newfoundland to Alabama and Tennessee ; Greenland ; 

 Europe. 



Exsic. Renauld & Cardot, Musci Amer. Sept. No. 153. 



ORDER BRYALES 



Sporophyte borne at the apex of the stem or of a more 



or less elongated branch acrocarpi, p. 87 



Sporophyte borne on a very short branch, .pleurocarpi, p. 91 



[Acrocarpi] 



1. Capsule almost never opening by means of a lid 2 



Capsule opening by means of a clearly defined lid 8 



2. Green protonema persistent; plants fruiting in autumn. . . . 



Ephemerum, p. 116 

 Green protonema not persistent; plants fruiting in spring 3 



3. Spores few (16-20) and very large, sometimes 0.2 mm. 



in diameter Archidium, p. 95 



Spores numerous and small, rarely more than 0.05 mm. in 



diameter 4 



4. Leaf margins plane or involute 5 



Leaf margins more or less revolute 7 



5. Capsule pyriform Bruchia, p. 95 



Capsule ovoid-globose 6 



6. Leaves smooth Pleuridium, p. 96 



Leaves papillose; a rudimentary lid present but persistent 



Astomum, p. 106 



