GENERA 



u. 



Udum salictum {udiis, a, um, wet or moist, and 



salictum, i, a willow-ground), a proper situation 



for growing willows. 

 Ulex, furze, diadel. decan. and leguminosesD, H. tr. 



Brit, which grow best in dry soil, and are increased 



by seeds. 



Ulmus, elm-tree, pen tan. dig. and amentaceffl, H, 

 tr. Brit, and N. Amer. and a G. tr. China, all of 

 which thrive in loamy soil, and the G. species is 

 increased by cuttings under a hand-glass. 



Ulmus campestris, and other species grown as timber- 

 trees, 7081. 



Ulva lactuca, 4358. 



Umbrella-wort, — see Oxybaphus. 



Underley Park, near Kirby Lonsdale, 6182. 



Ungeliauer, J. A., his works on gardening, page 1123. 

 A. D. 1741. 



Uniola, sea-side oat, trian. dig. and gramineee, H. 

 peren. N. Amer. of easy culture. 



Unona, polyan. polyg. and anonacece, a S. tr. Java, 

 which grows best in light loam, and ripened cut- 

 tings root in sand under a hand-glass. 



Up Park, Sussex, 7531. 



Upsal, botanic garden of, 248. 



Urania, hexan. monog. and musacese, a S. tr. E. Ind. 

 1^ which thrives in loamy soil v/ith plenty of water 

 . and a strong heat, and is increased by imported 

 seeds. 



Urena, monad, polyan. and malvaceas, S. tr and 

 a G. tr. E. Ind. and Surinam, which grow in 



f loam and peat, and are increased by seeds or cut- 

 tings. 



Uropetalon, hexan. monog. and asphodeleae, G. and 

 F. peren, C. B. S. bulbs which may be treated as 

 ixia, &c. 



Urtica, nettle, monoec. tetran. and urticeze, S. tr. 

 and peren. W. Ind. and F. and H. peren. and an. 

 Eur. all of which grow well in rich, light soil, 

 and are readily increased by the usual means. 



Urtica dioica, the common stinging nettle as a pot- 

 herb, and to force, 4296. 



Ustilago, a small fungus, which is thought to oc- 

 casion the blight and smut, 878. 



Utensils, 1390; mould-screen, mould-sieve, mould- 

 scuttle, mould-basket, flower-pot, store-pot, pot 

 for bulbous roots, classic pot, stone-ware pot, 

 glazed pot, flowerpot-gauge, square pot, saucer, 

 carnation-saucer, propagation-pot, blanching-pot, 

 plant-box, plant-basket, planter's basket, watering- 



; pot, watering-tube, garden-syringe, hand-forcing- 

 pump, portable canvass or gauze case, oiled paper 

 shade, straw-net, garden-net, horizontal shelter, 

 plant-umbrella, earthenware shelter, leaden hand- 

 glass, copper hand-glass, cast-iron hand-glass, 

 wrought-iron hand-glass, green bell-glass, crystal 

 bell or receiver, utensils for entrapping vermin, 

 1391. to 1438. 



Utility, as expressive of design in landscape-garden- 

 ing, 7169. 



Utricularia, hooded milfoil, dian. monog. and len- 

 tibuiarea, H. peren. Brit, marsh plants, which 

 prefer peat soil, or they will grow in pots of 

 sphagnum with a little peat earth at bottom, set 

 in pans of water. 



Uvaria, polyan. polyg. and annonacese, S. E. and 

 W. Ind. which thrive best in sandy loam, and 

 ripened cuttings root in sand under a hand-glass 

 in heat. 



Uvularia, hexan. monog. and melanthaceas, H. 

 peren. N. Amer. which grow in light sandy soil, 

 and are increased by dividing at the root. 



V. 



Vaccinium, whortleberry, decan. monog. and eri- 

 ceje, G. and H. tr. Brit, and N. Amer. which 

 thrive best in peat soil, or sand and peat, and are 

 increased by layers, young cuttings under a bell- 

 glass, or by seeds. 



Vaccinium hispidilum, and other fruit-bearing 

 species, 4774. 



Valantia, polyg. moncec. and rubiaceae, a H. peren. 

 and an. Brit, of easy culture. 



Valemont, I'Abb^ de, a French writer on garden- 

 ing, page 1116. A. D. 1705. 



Valentines, a seat in Essex, 7542. 



Valerian, — see Valeriana. 



L INDEX. 1229 



Valeriana, valerian, trian. monojj. and dipsacete, 

 H. peren. and an. Eur. of easy culture; the 

 smaller sorts grow best in light soil, and answer 

 well for pots or rockwork. 



Valeriana locusta, or lamb-lettuce, — see Fedia. 



Valleyfield, a seat in Fifeshire, 7635. 



Van Dieman's Land, gardening of, 504. 



Van Kampen, et fils, their works on gardening, 

 page 1129. A. U. 1760. 



Vii7i Sterbeck, Francis, his works on gardening, page 

 1129. A. D. 1682. 



Vander GYoen, J., his work on gardening, page 1129. 

 A. D. 1699. 



Vanes as decorations, 1835. 



Vanguiera, pent, monog. and rubiacea?, a S. tr. Ind. 

 which grows in sandy loam and peat, and cuttings 

 root freely in sand in heat under a hand-glass. 



Vanilla, gynan. monan. and orchideffi, S. tr. trailers 

 and parasites, which root at every joint into the 

 bark of the trees, on which they grow. They 

 may be treated as aerides, and are readily in- 

 creased by cuttings. 



Various British authors, who have touched inci- 

 dentally on gardening, page 1105. A. D. 1760. 



Vegetable kingdom, origin and progress of the 

 study of, 547 ; among the ancients, in modern 

 times, in the present day, 548. to 554. 



Vegetable glossology, or "the names of the parts of 

 plants, 555. 



Vegetable phytography, or the nomenclature and. 

 description of plants, 557 ; vulgar mode of naming 

 plants, scientific rules for names, names of classes 

 and orders, names of genera, of species, of va- 

 rieties and subvarieties, description of plants, 

 herbariums, methods of study, &c. 558. to 582. 



Vegetable taxonomy, or the classification of plants, 

 583 ; methods in use, table of the Linneean me- 

 thod, of the method of Ju.ssieu, detail of the 

 Linnaan system, and arrangement of the genera 

 under the different classes and orders, arrange- 

 ment of the genera under the classes and orders 

 of Jussieu, 584. to 589. 



Vegetable organology, or the external structure 

 of plants, 590. Perfect plants : their conservative 

 organs — root, trunk, branches, leaf, frond ; con- 

 servative appendages — germs, glands, tendrils, 

 stipulse, ramenta, armature, pubescence, ano- 

 malies ; reproductive organs — flower, flower- 

 stalk, receptacle, inflorescence, fruit ; reproduc- 

 tive appendages ; appendages proper to the flower 

 of the fruit. Imperfect plants : fihces, equisita- 

 cese, and lycopodinese — conservative organs, re- 

 productive organs ; musci — conservative organs, 

 reproductive organs; hepaticse — conservative 

 organs, reproductive organs ; algee and lichens—- 

 conservative organs, re])roductive organs, utility 

 of thealgze; fungi — conservative organs, repro- 

 ductive organs, uses of the fungi, 591. to 604. 



Vegetable anatomy, or the internal structure of 

 plants, 6C5. Decomposite organs — seed, nucleus, 

 pericarp, flower-stalk, leaf-stalk, gems, buds, bulbs, 

 propago, gongylus, caudex, appendages; compo- 

 site organs — epidermis, pulp, pith, cortical layers, 

 ligneous layers, concentric layers, divergent 

 layers ; elementary or vascular organs — utricles, 

 tubes, large tubes, small tubes, apertures, pores, 

 gaps, appendages, 606. to 634. 



Vegetable chemistry, or primaiy principles of plants, 

 635. Mechanical processes ; chemical processes ; 

 compound products — gum, sugar, starch, gluten, 

 albumen, flbrina, extract of catechu, of senna, 

 of quinquina, of saffron, coloring matter, tan- 

 nin, bitter principle, narcotic principle, oxalic 

 acid, citric acid, malic acid, gallic acid, tartaric 

 acid, betizoic acid, prussic acid, fixed oils, vola- 

 tile oils, wax, butier of cacao, of coco, of nut- 

 meg, tallow of croton, wax of myrtle, resins, 

 rosin, mastich, bloom, gum-resins, balsams, cam- 

 phor, caoutchouc, cork, woody fibre, charcoal, 

 sap, proper juice, ashes, alkalies, earths, silica, 

 magnesia, metallic oxides ; simple products, 636. 

 to 714. 



Vegetable physiology, or the functions of plants, 

 715. Germination of the seed, physical pheno- 

 mena, chem cal phenomena ; food of the veget- 

 ating plant — water, gasses, carbonic acid gas, 

 oxygen, nitrogen, hydrogen, extracts, salts, 

 earths, manures ; process of nutrition — introsus- 

 ception, ascent of the sap, causes of the sap's 

 ascent elaboration of the sap, of carbonic acid, 

 of oxygen, decomposition of water, descent of the 

 proper juice, causes of descent : process of veget- 

 able developement ; elementary organs — compo- 



