12 
SYNOPSIS. 
* Clusters of Capsules on anterior branch of lateral veins. 
1. L. recurva, fig. p. 225. Naturalists’ Almanack, 23, date 1844. 
2. L. multifiora, fig. p. 215, var. nana, p. 222, var. collina, p. 
223. Polypodium m. Roth, Catalecta Botanica, fasc. 1 , 
p. 135, date 1797. Aspidium dilatatum, spinulosum and 
dumetorum, Sm. Eng. FI. iv. 279. Aspidium spinulosum. 
Hook. Br. FI. 440. Lastraea dilatata, Bab. Man. 386. 
3. L. spinosa, fig. p. 209. Polystichum s. Roth, FI. Germ, 
iii. 91, date 1800. Lastraea dilatata linearis, Bab. Man. 
386, omitting the synonyme, A. spinulosum, Sm.” which 
belongs to the preceding species. 
4. L. Callipteris, fig. p. 203 (as Lastraea cristata). Polypo- 
dium C. Ehrhart, Beitrage, iii. 77, date 1788. Aspidium 
cristatum, Sm. Eng. FI. iv. 276. Hook. Br. FI. 439. Las- 
traea cristata, Bab. Man. 385. This and the preceding 
constitute the Polypodium cristatum of Linneus, Sp. PI. 
1551. Ehrhart was the first to separate the two species, 
and his name is adopted by the best authorities. 
5. La. Filix-mas, fig. p. 197. Polypodium F.-m. Linneus, Sp. 
PL 1551. Aspidium F.-m. Sm. Eng. FI. iv. 275. Hook. 
Br. FI. 440. Lastraea F.-m. Bab. Man. 385. 
6. La. rigida, fig. p. 191. Polypodium r. Hoffmann, Deutsch- 
lands Flora, ii. 16, date 1795. Aspidium r. Hook. Br. 
FI. 440. Bab. Man. 386. 
Clusters of Capsules on either branch of lateral veins. Involucre indistinct 
often wanting. 
7. La. Thelypteris, fig. p. 183. Acrostichum T. Linneus, 
Sp. PL 1528. Aspidium T. Sm. Eng. FI. iv. 272. Hook. 
Br. FI. 439. Lastraea Thelypteris, Bab. Man. 385. 
8. La. Oreopteris, fig. p. 187. Polypodium O. {Ehrhart) Dick- 
son, Trans. Linn. Soc. i. 181, date 1791. Aspidium O. 
Sm. Eng. FI. iv. 273. Hook. Br. FI. 439. Lastraea O. Bab. 
Man. 385. The earliest name for this species appears to 
be Polypodium montanum, given it by Vogler, 1781, but 
that name was discontinued as interfering with the Polypo- 
dium montanum of Allioni,--“the Oystopteris montana of 
this work. 
