2552 



PERGOLA 



PERICOME 



as an isolated decorative garden feature. For such loca- 

 tion and use there is the garden shelter, the tea-house, 

 the pavilion, the seat, and various exedra, far more 

 suitable. 



As is generally the case with all decorative garden 

 motifs, the design and material of the pergola should be 

 in strict harmony with its more important and control- 

 ling architectural surroundings. This does not mean, 

 nor does it necessarily follow, that the material of the 

 pergola should be like that of the house, garden wall, 

 or other more or less important adjacent architectural 

 features; but it does mean that its architectural char- 

 acter or style, design, and scale, must be determined 

 and dominated by that common to the entire problem, 

 and its material be in harmony or at least reflective. 

 The designer or builder is safest when he considers 

 not only his pergola but all of the architectural features 

 of the garden as details, the character of which are to be 

 largely determined by, or closely interrelated with, the 

 architectural treatment of the garden and its environ- 

 ment as a whole. Materials and minor methods of 



COHMtCTINS 



ttou/t AO GAXDE.H 



TYPICAL 

 WOOD CCX.UMN PERGOLA 



(As. a* Toulknep Form 

 (finish Entire Grden 



2869. Pergolas. Various architectural forms; also diagrams of proportions in A to E. 



expression may vary with personal taste, but archi- 

 tectural period and style cannot, for with a lack of 

 appreciation of the proper architectural relation 

 between the interrelated parts of a garden comes a 

 breaking down of one of the most important principles 

 of garden or other composition, namely unity of idea. 

 While, of course, there can be no rules governing 

 the dimensions of pergolas, the relation of width to 

 height is most important, as is the relation of height 

 to length. The scale may be either human or relative. 

 The width of a pergola or arbor, however, is seemingly 

 best when slightly greater than its height, for if less it 

 will appear stilted and in poor proportion. From 

 diagrams A to E in Fig. 2869, it will readily be seen 

 that (A), showing a proportion of 4 to 3 is less pleasing 

 than (B), 4 to 4, or even (C), 4 to 5. When the width 

 increases noticeably over the height, as in (D) 4 to 6, 

 or (E) 4 to 7, there is a resultant weakening in propor- 

 tion. As for length, this of course is determined by the 

 individual problem, but in no case should the length 

 be merely equal to, or less than, the width or height. 

 In summary, the dimen- 

 sion of the pergola should 

 produce a form of suffi- 

 ciently dominant and 

 pleasing horizontal and 

 perpendicular dimensions 

 to produce a satisfactory 

 feeling of stability and 

 repose. 



In regard to plant ma- 

 terials used in connection 

 with pergolas, the effect 

 sought is that the pergola 

 shall count as a support 

 for vines; the variety and 

 kind of growth, however, 

 must naturally be deter- 

 mined by the exigencies of 

 the particular case. Vines 

 of fine and delicate foli- 

 age, flower, and fruit are 

 better suited to the deli- 

 cate arbor or treillage, and 

 the larger-leaved, more 

 heavily fruited vines to the 

 architecturally stronger 

 and coarser pergola. Also, 

 vines with coarse and 

 woody stems, such as the 

 wistaria, the grape, the 

 bittersweet and the like, 

 are better adapted to the 

 true use of the pergola, as 

 a rack upon which vines 

 lie, not a treillage or sup- 

 port up which they climb 

 or against which they are 

 trained. 



BRYANT FLEMING. 



PERICOME (from the 

 Greek for around, and tuft, 

 from the tuft of hairs 

 around the achene). Com- 

 pdsitse. A small group of 

 hardy perennials grown 

 for their golden yellow 

 conspicuous flowers. 



Strong-scented much- 

 branched herbs with long- 

 ITALY TYPt acuminate lys. and numer- 



"PtRGOLA- ous heads in a terminal 



corymbiform cyme : in- 

 volucral bracts slightly 

 connected by their edges,. 



