discovered or described since 1874. 117 



Genus 75. BOTRYCHIUM, Sw. 



Monographed by Prantl along with Ophioglossum, as above cited. 

 He admits 15 species out of substantially the same materials 

 as our six. 



3. B. Lunaria, Sw. Has now been found in New Zealand and 



the Northern United States. 



4. B. ternatum, Sw. The New Zealand B. biforme, Colenso, in 



Trans. New Zeal. Instit. 1885, 223, exactly matches the 

 North American B. dissecium, Muhl. 



