laith Remarks o?i some of the Species. 



245 



least protection in the 

 open ground, 

 ilfyrtus L. 

 ♦communis L. 



And all its varieties, 

 tomentosa B. M. 



This is a beautiful 

 plant, but would re- 

 quire the warmest 

 place on a conserva- 

 tory wall, and extra 

 care. 

 Eugenia L. ? 

 jHyrtifolia B. R. 



Cucurbitacete Dec. Prod. 

 Many of the more 

 curious sorts, if planted 

 annually, would give an 

 eclat to the scene, and 

 likewise continue the 

 natural chain. 



Passiflordcecz Hort. Lig. 

 Passiflora L. 

 •caeriilea L. 

 *Colvilli Sw. 

 incarnata Lawr. Pass. 

 glabra Wendi. 

 Tacsonia Juss. 

 pinnatistipula Juss. 



Loasaceae. 

 Blumenbachk Dec. 

 insignis Dec. 

 Although an annual, 



if sown against a warm 



wall, it will continue 



to grow from self-sown 



seeds for years. 

 Scyphanthus Sw. 



elegans Sw. 

 Lodsa Dec. 



Several varieties an- 

 nually. 



PortuldcecE Dec. Prod. 

 Pharnaceum L. 



incanum L. 

 Y*aronychutcecs, 

 Herniaria Fl. Brit. 



*/jolygonoides Dec. 

 Polycarpae^a Dec. 



latifolia Dec. 



Smlthii Dec. 

 MoIIm Spreng. Syst. 



gnaphalodes Sp. Syst. 



CrassidacecB Dec. 

 Crassula Haw. 



raraosa Haw. 



tetragona Haw. 



scabra Haw. 



lycopodioides Dec. 



ericoides Haiu. 



perfossa Dec. 



perforata Dec. 



marginalis Dec. 



And several others. 

 Purgosea Haw- 



linguaefolia Haw. 



pertusa Haiv. 



And several others. 

 Globulea Dec. 



cultrata Dec, 



lingua Dec. 



mesembryanthoidesZ) 

 And several others. 

 Rochea Dec. 



falcata Dec. 



perfoliata Dec. 



albiflora Dec. 

 Kalosanthes Haw. 



coccinea Haw. 



versicolor Haw. 



cymosa Hatv. 



And several others. 

 Cotyledon 



jasminiflora Dec. 



hemisphae'rica Dec. 

 And several others. 

 Echeven'rt Dec. 



caespitosa Dec. 

 «S'edum L. many sorts. 

 5^empervivum L. 



tortuosum Dec. 



villosum Haw. 



ciliatum Haw. 



arboreum Haw. 



dodrantale Dec. 

 And others, except 



tabulgeforrae, which 



is very tender. 



Mesemhrydcece. 

 MesembryanthemumL.^ 



$ Of this splendid genus botanists enumerate nearly 350 species; but I 

 have never been able to collect together above 320 of them out of British 

 collections, nor do I think there exist more at present in Britain. As plants 

 of ornament they have been greatly overlooked by cultivators, especially con- 

 sidering how hardy they are : for out of the above number above 200 will 

 endure the climate of Britain with the thermometer at 24° Fahr., and many a 

 much greater degree of cold, especially the sheathing-stemmed kinds. In 

 planting the species against a conservative wall, such as that at Chatsworth, 

 there ouo-ht to be a ridge of rockwork raised against the wall, composed of old 

 bricks, cTinkers, flints, shells, and any curious stones to be found in the neigh- 

 bourhood, the whole to be intermixed with a soil composed of peat earth, 

 white sand, common garden earth, and lime rubbish, and thoroughly drained, 

 as much of the success of keeping them alive during the winter will depend 

 upon this; for, although there is no family of plants luxuriates more when 

 well supplied with water in summer, yet there is great danger with many of 

 them from injudicious watering in winter, more especially v/hen planted out. 

 The same remarks will hold good with the preceding order Crassulaceae, and 

 the following one C'actacea;. 1 would (were it possible in building such a wall) 

 have the spaces allotted for these genera interspersed with cavities formed of 

 rough blocks of lava, madrepores, millepores, and shells of various species, 

 such as Neptune's chair, Strobus gigas, ammonites, &c., into which many of 



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