SCIENTIFIC CONGRESS OE FRANCE. 
47 
some plants are found only on tlie former, some only on the lat- 
ter formation: M. Scliultz cited numerous examples bearing 
upon this point ; the Anemone vernalis is peculiar to the Vosges 
sandstone in the neighbourhood of Bitche ; at Munich and 
Ratisbon it is found on different formations, and chalk among 
the rest. It is the same with respect to the Anemone pulsatilla, 
which has been found on the Muschelkalk and other rocks. 
Amongst the plants peculiar to the Vosges sandstone at Bitche, 
but which are found on other mountains elsewhere, M. Schultz 
mentions Arabis arenosa, Sinapis cheiranthus (also on volcanic 
i*ocks), Dianthus deltoides, Trifolium alpestre. Geranium sylvati- 
cum, Orobus niger, Rubus saxatilis, Circsea alpina, Illecebrum 
verticillatum (found also on the granite, &c.) Peucedanum ore- 
selinum, Galium tenerum (a rare plant, only found at Bitche 
and on the plutonic mountains of the Haut Yalais), G. saxatile, 
Hypochseris maculata, Jasione perennis, (on the granite of the 
Vosges and the alluvium of the plain), Myosotis sylvatica, Scro- 
phularia vernalis, Rhinanthus angustifolius. Daphne Cneorum, 
Thesium intermedium, T. alpinum, Lilium mart agon, Juncus ca- 
pitatus, &c. 
Amongst the plants of the muschelkalk of Bitche which are 
found elsewhere on other mountains, M. Schultz cites the following 
species amongst a number : Fumaria Vaillanti (clays and chalk) 
Erysimum orientale, Helianthemum vulgare (sandstone), Polygala 
calcarea, Linum tenuifolium, Trifolium ochroleucum, T. elegans, 
Vicia gracilis, Bupleurum falcatum, B. rotundifolium, Orlaya 
grandiflora, Crepis prsemorsa, Lithospermum pm'pureo-coeruleum 
(porphyry and alluvium) Linaria Elatine and L. spuria, Stachys 
annua. Prunella alba (porphyry) Teucrium montanum, Passerina 
annua, Daphne mezereum, Mercurialis perennis, many species of 
Orchis and Ophrys, Ornithogalum sulphureum, Gagea lutea (por- 
phyry and granite), Carex ornithopoda, Bromus erectus, Hordeum 
pratense ; on the turf beds are found Andromeda, Scheuchzeria, 
Culla, Malaxis paludosa (granitic Vosges), Rhynchospora alba, 
