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rata, and one or two other plants more common with us than about 

 Paris, and amved at a house famous for its milk, and frontage a la 

 creme, which is more like clotted cream than like cream cheese, and 

 after passing the foot of another pool, take a path to the right, at a 

 little distance above which, on the left, is some boggy ground, the 

 station of a curious monstrosity of Erica Tetralix. The flower is 

 small, and much less conspicuous than ordinary, and the style very 

 prominent ; but the wonderful part is the apparent conversion of the 

 eight anthers into as many cells of a seed-vessel. 



It may be supposed I did not neglect the Bois de Boulogne, but I 

 hardly know what line to recommend to an English botanist. The 

 wood is nearly flat, on a sandy soil, and for a Parisian botanist con- 

 tains few rarities but such as are suspicious. An English one, how- 

 ever, may be gratified, especially if he visits it in May, with finding 

 Convallaria Polygonatura and multiflora, Pulmonaria angustifolia, 

 Melampyrum cristatum and Herniaria glabra ; or later in the season, 

 Coronilla varia and Vei'onica spicata. Perhaps the best line would 

 be to enter by the gate at Passy, near to which, on the rubbish and 

 broken ground occasioned by the new fortifications, M. Bourgeau has 

 lately found abundance of Centaurea melitensis. After passrng the 

 fortifications, we may keep northward to a great carrefour, that is, in 

 this instance, to a large open circle where a great many roads unite. 

 A little to the north we find Thalictrum sylvaticum, also a discovery 

 of M. Bourgeau's, and if not a species, it is a variety well worth notice. 

 It is smaller than T. minus, and differs from that in the manner in 

 which it spreads itself over the ground, forming an almost continued 

 and even covering. We then turn to the west, to the gate of Long- 

 champs, near which are Medicago orbicularis, Orobanche amethystea, 

 &c., and passing the gate we descend to a gravel-pit, about which are 

 Heliotropium europaeum, and several other plants not uncommon in 

 such situations about Paris. We re-enter the wood, and take the 

 avenue of Grand Villiers, leading to the gate of Boulogne ; then take 

 the first turning to the left, and near the turning, and for some dis- 

 tance along the last-mentioned road, we find Potentilla pensylvanica, 

 P. recta, Myagrum orientale and Brassica Cheiranthus : there is also 

 a large variety of Thalictrum minus. We go out of the gate of Bou- 

 logne, and make our way at a little distance from the wood to the 

 Point du jour. I did not at the time visit this locality, but have a 

 recollection of being much interested there some years ago. 



On the 10th of July I took the rail-road to Versailles, and walked 

 to the Etang du trou Sale. My chief objects were Potentilla supina. 



