78 APPENDIX. 
ACROSTICHUM thelypteris. 
Sj>, PL 1528. Flo, Suecica, Ed, 2. 928. Label, Icon, 814. Filix 
querna repens. Park. 1041. 
TAB. XLIII. XLIV. 
I 
LADIES ACROSTICHUM. 
^T^HE root creeps horizontally under the furface of the ground, is of a 
black colour and brittle fubftance, crooked, and about the thick- 
nefs of a duck’s quill; it emits many branches, the fize of fmall pack¬ 
thread, which are hung round with numerous, dark brown, capillary 
fibres. 
From the root, as it creep along, the fird: leaves rife at difiances, two 
or three near together. The rib is from nine to fifteen inches high, 
fmooth and naked, very {lender, and of a pale herby colour. 
The fecond leaves from ten to fifteen pairs, oppofite, except one or 
two of the lowed: pairs; lower pairs remote, growing gradually clofer 
upwards, longed: about the middle pair, all of them lance-fhaped, and 
placed nearly at right angles wit thhe rib of the firft leaf. 
Lobes of the fecond leaves ten or twelve pairs, divided down to the 
nerve ; they are broad, fhort, rounded off at the extremity, and quite 
fuiooth and entire on the edges ; their upper furface fmooth and plain, 
not obvioudy marked with veins, as in the Polypodium thelypteris ; this 
circumftance, together with its creeping root, and its being a much 
fmaller 
