451, 
452. 
453. 
454, 
455. 
456. 
457. 
458. 
459. 
460. 
461. 
462. 
463. 
464. 
465. 
466. 
467. 
468. 
469, 
470. 
471. 
472. 
473. 
79 
'7'7.—Nat. order. Naiadacese. 
. lucens, Zinn. 
. perfoliatus, Z. 
Wd 
. pectinatus, ZL. 
POoTAMOGETON. 
. salicifolius, Wolfg. P. Lonchites, Tuck. Rev. W. H. Purchas. 
Shining Pondweed. 
. acuminatus lucens, Linn. 
Perfoliate Pondweed. 
crispus, ZL. Curled-leaved Pondweed. 
. pusillus, Z. Small Pondweed. 
Fennel-leaved Pondweed. 
'78.—Nat. order. Alismaceze. 
TRIGLOCHIN. 
T. palustre, Z. Marsh Arrow Grass. 
B. umbellatus, Z. 
A. Plantago, L. 
Buromvs. 
Flowering Rush. 
ALISMA: 
Greater Water Plantain. 
'79.—Nat. order. Hydrocharidacez. 
E. canadensis, Mich. 
ELopia. 
American Water Weed. 
80.—Nat. order. Orchidacez. 
ORCHIS. 
O. Morio, L. Green-winged Meadow Orchis. 
O. mascula, ZL. Early Purple Orchis. (Said to be the long purples 
of Shakespeare.) 
O. maculata, L. Spotted-leaved Orchis. 
H. chlorantha, Bab. 
O. apifera, Huds. 
O. muscifera, Huds. 
L. ovata, Brown. 
N. Nidus-avis, Rich. 
E. latifolia, Auct. 
HABENARIA, 
Great Butterfly Orchis. 
OPHRYS. 
Bee Orchis. 
Fly Orchis, 
LLISTERA. 
Common Tway-blade. 
NEOTTIA. 
Birds’-nest Orchis. 
EPIPACTIS. 
Broad-leaved Helleborine. 
E. ovalis, Bab. Oval-leaved Helleborine,—Prof. Babington. 
E. violacea, D. Dug. 
Purple-leaved Helleborine. 
media of Fries. Rev. A. Ley. 
C. grandiflora, Bab. 
CEPHALANTHERA. 
Cream-coloured Helleborine. 
