20 
PL end. ct . 
16. Botrych. 1. FILICES. 
Lunaria minor ramosa, Lawsoni ; Raii Syn. 129 ; Ger. em. 4Q6„ 
Osmunda Lunaria 3. Lin. S. P. 1519. 
O. lanceolata, Gmel. N. C. Petr. 12, 516. 
Botrychium rutaceum, Swartz Syn. Fit. 171. 
Meadows and hilly pastures ; perennial ; June. 
3. Botrychium matricarioides. Feverfew moonwort . 
Scape naked, three parted near the root, subbipinnate ; 
leaflets oblong, obtuse, toothed. 
Lunaria minor foliis dissectis Lawson, Raii Syn. 129. 
Osmunda Lunaria y. Smith F. Ang. 1 107. 
O. matricariae, Schrank F. Bav. 4 1 9. 
Botrychium rutaceum 3. Swartz Syn. Fit. 171. 
Botrychium matricarioides, Willd. S. P. 
Meadows and hill pastures; perennial; July. 
K. OpmoGLOssiE. Spike tworowed, apparently jointed ; 
capsules immersed in the spike, opening transversely, with 
neither rings nor striae. 
XVII. 17. OPHIOGLOSSUM. Tragus. Adder stongue. 
Spike two rowed; capsules immersed, opening trans- 
versely. 
Ophioglossum vulgatum . Common adderstongue. 
Spike on the stem ; frond ovate obtuse, finely reticulated. 
Ophioglossum, Raii Syn. 128 ; Ger. em. 404. 
O. seu Lingua serpentina, Park. 506. 
O. vulgatum, Lin. S. P. 1518. 
O. ovatum Salisb. Prod. 401. 
Ophioglossum vulgatum, C. Bank. Pin. 354. 
In moist fields and pastures ; perennial ; May. 
Root fibrous ; frond simple, single, ovate with a footstalk, 
scarce a hand high, very smooth, greenish, not nicked, 
bearing the spike at the bottom ; spike erect, acute, com- 
pressed, bearing many capsules. 
/3. lifidum . Spike bifid, 
y. duplex . Spike double. 
incisum. Frond slightly lobed. 
