29 Acrostichum lomarioides Jenm. Rare; in swamps 

 near the coast. Southern Florida; also in Ber- 

 muda and the West Indies. Formerly confused 

 with A. aureum. 



30. Acrostichum sorbifolium L. Rare ; in moist shades. 

 Southern Florida; also in the West Indies. 



Adiantum L. 



31- Adiantum capillus-veneris L. Venus'-hair Fern. 

 Tolerably common ; on moist rocks. Virginia 

 to Florida, Utah and California; also about hot 

 springs in Dakota. Found around the world in 

 the tropics and extending to England and Cape 

 Colony. 



The form elongatum Lemmon is an elongated 

 form from Arizona; forms with round-ended 

 pinnules have been collected in New Orleans. 

 32. Adiantum emarginatum Hook. Not uncommon; 

 in moist shades. California and New Mexico to 

 Oregon. — A. Jordani C. Mull. 



33- Adiantum hispidulum Sw. Naturalized near Thorn - 



asville, Georgia. Found also in the East and 

 West Indies. 



34- Adiantum modestum Under w. Rare. New Mexico. 



Closely related to A . capillus-veneris 



35. Adiantum pedatum L. Common Maidenhair. 



Common; in moist shades. Nova Scotia and 

 British Columbia to Georgia, Mississippi, Arkan- 

 sas and Utah; also in eastern Asia. 



36. Adiantum pedatum rangiferinum Burgess. Not 



uncommon; in woodlands. Pacific Coast from 

 Oregon north to Alaska. By some this is re- 

 garded as a distinct species. 

 36a. Adiantum pedatum Aleuticum Rupr. Not un- 

 common; in woods. Gaspe Peninsula, Unalaska 

 and the Far North. 



