THE TASMANIAN FLORA. 283 



ii. Pinnules asually attached to the main stalk by the 



midrib only ... ... ... ... ... ji^. 



Pinnules always attached by their full breadth ... iv. 

 iii. Pinnules usually few, coarse, or (if many) long, 



narrow, and acute ... ... ... ... ... 2. i. procera. 



Pinnules short, broad, obtuse, sometimes broadly 



attached. Leaf narrow 4. L. flaviatilis. 



iv. Pinnules curved, so as to be distinctly concave 



towards the apex ... ... ... v. 



Pinnules straight or nearly so ... ... ... vi. 



V. Lowest pinnules longest 5. L. vulcanica. 



Lowest pinnules very small 6. L. lanceolafa. 



vi. Pmnules long, 2-4 inches ... . 3. L. discolor. 



Pinnules little longer than broad. Leaf narrow ... 7. L. alpina. 



1. L. PATEESONi, Spreng. Leaf rather coarse, linear-lanceolate, or with few 

 irregular lobes, 6 inches to 1 foot. 



East and north-east. Victoria, New South Wales, Queensland. Asia to 

 New Zealand. 



2. L. PROCEKA, JR. Br. Coarse, dark green, rough, few lobes, leaf nearly as 

 broad as long, 8-16 inches. L. rapensis, Willd. 



Throughout the Island, in woody places. South Australia, Victoria, New 

 South Wales, Queensland. Asia, Africa, America, Polynesia, New Zealand. 



Var. paludosa. Leaves less coarse. Pinnules numerous, narrow, very 

 similar to L. discolor, only less acute, and attached by the midrib only. 

 Common on banks of streams. 



3. L. DISCOLOB, Willd. Leaves 1-3 feet high, broadly lanceolate. Pinnules 

 1-4 inches, sessile, narrow, acute, sometimes with a tendency to divide. Stalk 

 black, shining. 



Very common. South Australia, Victoria, New South Wales, Queensland, New 

 Zealand. 



4. L. FLUViATiLis, Spreng. Leaves long, narrow. Pinnules |-1 inch, obtuse, 

 broad, rough, mostly attached by the midrib only. 



Common on the banks of streams. Victoria, New South Wales, New Zealand. 



. 5. L. VULCANICA, Blume. Leaf nearly triangular. Pinnules pale green, rough, 

 narrow, acute, curved upwards, attached by a broad base, the lowest longest. 



Don, George's Bay. Many parts in the south. Queensland, Asia, Polynesia, 

 New Zealand. 



6. L. LANCEOLATA, Spreng. Leaves lanceolate, the broadest part towards the 

 apex. Pinnules numerous, narrow, acute, somewhat curved upwards, the lower 

 ones very short and broad. 



Common on banks of streams. South Australia, Victoria, New South Wales, 

 New Zealand, &c. 



7. L. ALPINA, Spreng. Leaf very narrow, a few to 18 inches. Pinnules short, 

 lined above, obtuse, attached by a broad base. 



Common amongst grass, mostly at a considerable altitude. Victoria, New 

 South Wales, New Zealand, and America. 



2. BLECHNUM. 



Sori continaous, close to and often overlapping the midrib. Fertile leaves not 

 contracted. 



B. CAETILAGINBUM, Swartz. Leaves 1-3 feet long, lanceolate, pinnate. Pinnules 

 numerous, rather narrow, acute, attached by a broad base. 



Near George's Bay. Victoria, New South Wales, and Queensland. 



