NAMES AND TEEMS. 
179 
subnate , — under-growing. 
suprasoriferous , — bearing the sori on the upper surface. 
truncate , — terminating abruptly, as if a piece had been cut off. 
tuberculate , — lumpy, wart-like. 
venation , — the system of veins. 
venules , — veinlets or small veins. 
whole-coloured — all of one colour. 
