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ARBORETUM AND FRUTICETUM. 



PART III. 



677 



where it grows to the height of 6 ft. or 8 ft., flowering in May and June. 

 The plant with this name in the Horticultural Society's Garden appears to 

 be only a variety of P. verrucosus. 



ii. Stems more slender, rambling, twiggy, and loose. Flowers 

 solitary, or 2 or 3 together. 



a 7. P. LA'XUS Schrad. The loose-growing Philadelphus, or Mock Orange. 



Identification. Hortul. ; Schrad. Diss. Philad. ; Dec. Prod., 3. 



p. 206. ; Don's Mill., ?. p. 807. 

 Synonymes. P. humilis Hortul.; P. pubescens Lodd. Cat., edit. 



136. 

 Engravings. Schrad. Diss. Philad., ic. ; and our fig. 677. 



Spec. Char., $c. Leaves oval-ovate and with a 

 long acuminate tip, toothed, pubescent with 

 hairs beneath. Flowers solitary, 2 or 3 

 together. Lobes of the calyx very long, acumi- 

 nate. Style 4-cleft. Stigmas about level with 

 the stamens. (Dec. Prod., Hi. p. 206.) A native 

 of North America. Introduced about 1830; and, 

 according to the specimens in the Horticultural 

 Society's Garden, and at Messrs. Loddiges, 

 a rambling sarmentose shrub, growing to the 

 height of 3ft. or 4ft., with somewhat pubescent 

 leaves, and brown shoots; apparently, the ten- 

 derest of the genus. 



sfe 8. P. (L.) GRANDIFLO'RUS Willd. The large-flowered Philadelphus, 

 or Mock Orange. 



Identification. Willd. Enum., 1. p. 511. ; Guimp. Abb. Holz., t. 44. ; Schrad. Diss. Philad. ; Dec. 



Prod., 3. p. 206. ; Don's Mill., 2. p. 807. 



Synonymc. P. inodbrus Hortul. ; P. laxus Lodd. Cat., edit. 1836. 

 Engravings. Guimp. Abb. Holz., t. 44. ; Schrad. Diss. Philad., ic. ; and our Jig. 676. 



Spec. Char., $c. A shrub, 10ft. or 12ft. high. Epidermis of the branches 

 of a reddish brown colour. Leaves ovate, with a long acuminate tip, den- 

 ticulate, 3-nerved, hairy upon the veins, and with groups of hairs in the 

 axils of the veins. Flowers about 3 together, or solitary; scentless. 

 Lobes of the calyx long, acuminate. Styles, concrete into one which ex- 

 tends beyond the stamens. Stigmas 4, linear. (Dec. Prod., iii. p. 206.) 

 A native of North America; introduced into British gardens in 1811. 

 A loose, rambling shrub, seldom exceeding 4ft. or 5 ft. in height, and dif- 

 fering in P. laxus chiefly in having more pubescence on the leaves, and 

 considerably larger flowers. 



aft 9. P. HIRSU X TUS Nutt. The hairy-leaved Philadelphus, or Mock Orange. 



Identification. Nutt. Gen. Am., 1. p. 301. ; Dec. Prod., 3. p. 206. ; Don's Mill., 2. p. 808. 

 Synonymes. P. villbsus Lodd. Cat. ; P. gr&cilis Lodd. Cat. 

 Engravings. Wats. Dend. Brit, t. 47. ; and our Jigs. 678, 678 a. 



Spec. Char., fyc. Leaves oblong-ovate, acute, dentate, 

 5-nerved, hairy on both surfaces, whitish on the under ^ 

 one. Flowers singly, or by threes. Styles concrete 

 to the tip. Stigmas undivided. Frequent in rocks of ; 



North America, in Tennessee, ^ 



by the river French. (Dec. 



Prod., iii. p. 206.) Introduced 



into British gardens in 1820, 



where it grows to the height 



of 3 ft., flowering in June. 



This is a hairy sarmentose 



shrub, distinct from all the 

 other sorts ; and which would, probably, grow to the height of 20 ft. or 



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