¥t Stercle segment mucronate. 
2. O. Engelmanni Prantl. 
Ophioglossum Lngelmannt Prantl, 1884. Jahr. 
Koenigl. bot. Gart. Berlin 3: 318. t. 7. £. 17. 
Underw. 1898. in Til SP 1, 3: eee 404. fo 10 5 
Nat. Ferns 67; in Britt. Man. 
Oo ee ee Cae isc. 45. 310. 
Waters, CeeA3: 
ApDDER’S TONGUE. 
ligifaNatucin eeaen cet bols hig! h; sterile leaf-segment elliptic-lan- 
ceolate. 
Staunton, Va., WA. Murrill. 
Ophioglossum Mariana lingua dentata [Plukenet, 
in Phil. Trans. 1698. 398. | colle ected by the Rev. Mr. A. 
Jones in Maryland is undoubtedly the small form of O. 
vilgatum. ; 
Zz. BOTRYCHIUM Swartz, 1801. 
Borpvdov racematim 1. in modum racemt. . Gemma 
tnciptenti uvae similis Plint 37. 10. Sw. Schrad. Jour. 
BOL. 1S00% pt. 2. 170. 
Succulent plants. Rootstock erect with many fleshy 
rootlets. Sterile leaf- segments various; fertile segments 
pinnate to 3- ‘pinnate or paniculate. 
10 
