Poly podium, L.

P. vulgare, I.. Shaded rocks.

Adiantirm, L. (Maiden, s hair.) A. pedatum, L, Shady woods.

Pteris, L. (Brake.)

P. acqulina. Thickets ; common.

Clieilanth.es, Swartz. (Lip-Fern.) C. vestita, Swartz. Among rocks.

Woodwardia, Smith. (Chain-Fern.) W. Virginica, Smith. Swamps.

Asplemum. L. (Spleenwort.)

A. Trichomanes, L. Shaded rocks. A. ebeneum, Ait. Woods. A. thelypteroides, Mx. Damp woods. A Filix-fcemina, Bernh. Damp woods.

Camptosorus, Link. (Walking-Fern.)

C. rhizophyllus, Link. On gneisic rocks ; sparingly about White riains.

Phegopteris, Fee. (Beech-Fern.)

P. hexagonoptera, Fee. Borders of Woods.

Aspidium, Swartz. (Weod-Fern.)

A. Thelyptcris, Swartz. Marshy places.

OF WESTCHESTER COUNTY.

A- Noveboracense, Swartz. Swamps anil damp woods. A. spinulosum, Swartz.

Var. intermedium, Gray. About White Plains.

Var. dilatatum, Gray. About White Plains. A. cristatum, Swartz. Wet thickets.

Var. Clintonianum, Gray. About White Plains. A. Goldianum, Hook. Moist woods.

A. marginale, Swartz. Shaded rocks.

A acrostichoides, Swart fl. Near White Plains. Var. incisum, Gray. White Plains.

Cystopteris, Bernhardt (Bladder-Fern.)

C. fragilis, Bernh. Shaded Rocks.

Strutriiopteris, Willd, (Ostrich Fern.) S. Gcrmanica, Willd. White Plains.

Onoclea, L. (Sensitive-Fern.)

O. sensibilis, L. White Plains.

Var. obtusilobata, Torr. White Plains.

Woodsia, R. Brown.

W. obtusa, Torr. Cliffs and banks. W. Ilvensis, R. Brown. (Leggett.)

Dicksonia, L'Her.

D. punctilobula, Kunze. Damp shady places.

Osmunda, L. (Flowering Fern.)

0. regalis, L. Wet woods and thickets.

O. Claytoniana, L. Damp grounds.

O. cinnamomea, L. Swamps and low thickets.

Botrychium, Swartz. (Moonwort.)

B. lanceolatum, Angstrcem.

B. Virginicum, Swartz. Throughout. B. lunarioides, Swartz.

Var. obliquum. Gray. White Plains.

Order 131-- LYCOPODIACEJE. (CUMINS Family.)