LINDMAN, AMERICAN SPECIES OF TRICHOMANES SM. 



33 



7. Trichomanes pusillum Sw. — Fig. 20, 21. 



Swartz, Xova gen. et spec, plant, seu Prodromus, 1788, p. 136; 

 Flora ind. occ, III, 1806, p. 1729; Synopsis Filicum, 1806, p. 141. 



Syn. Tr. pusillum, Hedw., Fil. gen. et spec, 1799, t. IV, f. 5. 

 » » » Flora Brasil., f. 23, 1889, p. 278? (excepto 



synon. Heraiphlebio pusillo Presl). 

 » ])idymofflossum pusillum Desv., Mem. Soc. Linn,, Paris, 



6, p. 830. 

 » Didymoglossum angustifrons Fee, Filices Antillanae, 1866, 



tab. 28. fig. 5? 

 * Hemiplilehium pusillum Prantl, die Hyraenoph:een, 1875, 



Taf. II, Fig. 20. 

 t Non Trich. pusillum Hook, et Bak., Syn. Fil., ed. 2, 



1883, p. 77. 



Xon Hemiphlehium pusillum, Presl, Hymenophyllaceae, 



1843, t. IX. 



Fig. 19. Trichomanes reptans Sw. (X 5), A a specimen from Columbia, coll. 

 by Moritz, in Herb. Stockholm, apex of a fertile frond: B a primary seg- 

 ment: C a specimen from Venezuela, Colonia Tovar, a primary segment, a 

 portion near the base, and two involucres. 



As the old Tr. imsillum Sw. has been mistaken several 

 times, I give here, fig. 20, 21, some exact illustrations of the 



Arkiv för Botanik. Band 1. 3 



