LINDMAN, AMERICAN SPECIES OF TRICÜOMANES SM. It 



crenate, l)ut not distinctly pinnatifid, fig. 14; this form is 

 also seen now and then on the lowest lobes, fig. 11, C; see 

 also Fee's »Didymoglossum. fructuosura», Fil. AntilL, t. 28, f. 3. 

 A very large form was collected by Hj. Mosén, n. 3112. 

 at Santos in S. Paulo: f. longissimum iii., K> cm long, 3 cm 

 broad, fig. 11, C. 



ri». 14. Trichomanen Krcmssii Huok. et Grev. (X 5), .1 a siieciiiien from 

 Cuba, Wri<!;ht ii. y!M3, lower half of two fronds, sliowinj; the various sha[)r 

 of the base, and a toj) with '6 involucres: B a specimen from Rio de Janeiro, 

 Mosén n. 3112, the base of a large frond to the ri,i::ht. a iarfjc primary seg- 

 ment to the left, and two involucres. 



Concerning its cellular structure, 7V. Kraiissii, as far as 

 I know, is not different from Tr. qucrc i folium; see fig. 7 

 and 11. 



