"OGAMIA y nions. Cheilanthes. 
A July. v.v. A handsome very small fern, covered 
&  withlong brownish hair. 
2. C. frondibus triplicato-pinnatis, pinnulis ovalibus distinc- 
à tis apice crenatis aut emarginatis subtus dealbatis. 
On rocks, on tbe banks of the Missouri. 24. July. v.s. 
C. tenui ifolia. 
735. DICKSONIA. L'Herit. sert. angl. 90.36. 
chibus pilosiusculis. Willd. sp. pl. 5. p. 484. 
D. pubescens,” Schkuhr filic. p. 125. t. 131. 
Polypodium pilosiusculum. Muhib. in litt. 
` In shady woods, among rocks : Pensylvania and Virginia. 
3. v.v. A foot or more high, resembling Aspidium 
<=. 
736. HYMENOPHYLLUM. Smith act. taur. 5. p. 418. 
1. H. frondibus pinnatis, pinnis infimis majoribus, supe- 
. rioribus sensim minoribus pinnatifidis, laciniis lineari- 
- bus obtusis bifidis ciliatis, venis hirtis, rachi stipiteque 
alatis ciliatis. Willd. sp. pl. 5. p. 519.. 
Trichomanes ciliatum. Swartz. prodr. 136. 
nia and Virginia. Y: và 
wg 
A very delicate small fern, very much Wesembling | 
1. D. frondibus bipinnatis, pinnulis oblongo-lanceolatis pim- i 
j natifidis, laciniis margine superiore inciso-dentatis, ra- + 
In shady forests, on the trunks of sa trees : DADO 
V. HYDROPTERLDE S. er 
737. ISOETES. Gen. pl. 1620. 
ibus subulatis semiteretibus. Willd. sp. pl. 5. 
534. — 
Icon. Schkuhr filic. t. 173. Fl. dan. ig. 7 
LAO A. 
On rocks, on the bottom of rivers: New York, in the 
Oswego river, near the Falls. 24. v. v. This sin- 
pos plant, seouing a zoophyte, is about two inches 
Jg . 
ill, muse. 
lacustris. 
