OF PLANTS IN YOEKSHIRE, 
river Ouse, at Selby, than we approach an extensive Mag- 
^nesian Limestone Formation, extending across the county, 
from Doncaster, Ferrybridge, Kippax, Thorparch, Knares- 
bro' by Rippon, to* the coimty of Durham: this district is 
rich in botany. At Kippax may be found, in about a 
square mile. Orchis morio, mascula, ustulata, militaris, py- 
ramidahs, maculata^ conopsea ; Habenaria viridis ; Ophrys 
apifera, muscifera; Neottia spirahs; Listera ovata.; Alhum 
arenarium, oleraceum ; Anthyllis vulneraria ; Astragalus 
glycyphyllos, hypoglottis ; Carlina vulgaris ; Cerastium ar- 
vense; Chironia centaureum ; Chlora perfoliata; Cistus 
helianthemum ; Colchicum autumnale; Daphne laureola; 
Erigeron acre; Galeopsis versicolor; Gentiana amarella; 
Hedysarum onobrychis; Ornithogalum umbellatum; Po- 
tentilla verna ; Rhamnus catharticus ; Sanguisorba officina- 
lis ; Sedum telephium ; Pimpinella magna ; Antirrhinum 
minus ; Circsea lutetiana; Campanula glomerata, latifolia; 
Caucalis daucoides; Parnassia palustris, &c. &c. Through- 
out the whole of this district, most of the above plants are 
to be found more or less abundant At Thorparch, a few 
rare ones may be added; such as, Anemone pulsatilla^ 
Silene noctiflora ; Galium tricorne; Asperula cynanchica ; 
Narcissus biflorus ; Pyrus aria ; VEpipactis nidus avis ; Ac- 
taea spicata ; Melica nutans ; Chichorium intybus ; Carduus 
eriophorus ; Atropa belladonna ; Ophrys aranifera ? and 
apifera ; Ornithogalum luteum, &c. &c. About Knares- 
bro', Chara flexilis, hispida; Dipsacus pilosus ; Geranium 
sanguineum; Lepidium latifolium ; Silene nutans ; Helle- 
borus viridis, &c. Passing over this limestone, which may 
extend about 10 miles in breadthj from Selby, we approach 
Leeds ; the immediate vicinity of which is ail clay. A few 
plants, not very common, may be found towards Knostropj 
near the river Aire, such as, Sisymbrium sylvestre ; Carda- 
nimeamara; Stellaria nemoriun, and Hottonia palustriso 
