Chap. IV.] THE PAliC DES BUTTES CHAUMONT. 



07 



sixty feet in height from floor to ceiling, have been constructed. 

 These last are well formed and striking, though hardly the 

 kind of thing to be recommended for a public garden. It is 

 better to leave the eccentricities of the cave-makers out of the 

 question till we have provided for the population of great towns 

 green lawns, trees, and wide open streets and ways, with their 

 consequence, purer air. 



Through the top of one of the great caves a stream dashes 

 in, and as its course, as it tumbles down the steep above the 

 aperture, is gracefully planted, the effect is very pretty. 



I'lanthig of Si ream ahoz'e Stalactite Ca-jc.—rarc des Buttcs Chaumont. 



The streamlets in this park are arranged and planted in a 

 tasteful way, their beds being sometimes rocky ; and by taking 

 advantage of their twinings and tiny cascades, positions have 

 been formed for a great variety of hardy plants which arc grouped 

 along the sides. Among these the free-flowering Yuccas, Y. fila- 

 mentosa and Y. flaccida, occur in groups and masses, and are very 

 efiective when in bloom. Such handsome evergreens are well 

 introduced in places which are generally left to common water- 

 weeds only. By the side of these streamlets alpine plants are 

 sometimes placed, to grow here and there in little beds along 

 their course, associated with lowland marsh-plants ; but alpine 



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