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(M) Pinnae deeply segmented. Lateral 

 pinn: 1-2 pairs, the lowest pair 

 mostly forked. 



3. A. trifoliatum. 



(Hi) Pinnae deeply segmented or pinnate. 

 Lowest pinnae almost triangular 

 with the lower side always deeply 

 pinnatifid or pinnate. 



1. Lateral pinnae 1-4 pairs. Sori on 



the connected or free veinlets. 



4. A. cicutarium* 



2. Lateral pinnae 4-6 pairs. Sori 



mostly at the apex of the free 

 veinlets. 



5. A. multicaudatum. 



3. Terminal pinnae three-lobed or 



sinuately segmented. Lateral 

 pinnae 4-8 pairs, entire or slight- 

 ly lobed. Lowest pair forked. 



6. A. macrophyllum. 



i. Aspidium subtriphyllum Hook. 



Rhizome creeping, scaly. Stipes scaly at the 

 base. Fronds 12-18 inches long, 8-12 inches 

 9 



