160 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



perfumed flowers, and yield by effleurage a delicious per- 

 fume. 



Geranium (see Pelargonium). — Many species of Geranium and 

 Erodium have scented foliage when touched or bruised. 



Ginger (Zingiber officinale). — Much grown and largely used as 

 a sweetmeat in China and the West Indian islands ; also 

 used in cordials and in cookery. For preserving in China 

 'species of Alpinia and Hedychium are often used. 



Glechoma hederacea (Ground Ivy). — An aromatic creeping 

 labiate with balmy odour, formerly infused in ale for its 

 flavour. 



Grains of Paradise (Amomum Melegueta, A. grana Paradisi, 

 &c.) produce hot aromatic seeds in globose or triquetrous 

 capsules. They are closely related to Ginger and Cardamoms. 

 The seeds have a camphorated flavour, and have been illegally 

 used in doctoring beer at the risk of a heavy penalty. 



Ground Ivy (see Glechoma). 



Guava (Psidium guava, P. pomiferum, P. Cattleyanum) is the 

 Chinese purple Guava, generally compounded into a delicious 

 flavoured jelly or pomade. 



Gum Cistus, or Ladanum (Cistus creticus), and many other 

 kinds, such as C. Ladaniferus, of Spain and Portugal, yield 

 an aromatic gum resin used in perfumery and fumigations 

 by Oriental people. 



Gymnema sylvestre. — This is an asclepiadaceous plant, leaves 

 of which were sent to Kew, from Madras. After chewing the 

 leaves, neither sweet nor bitter substances can be distinguished 

 in the mouth. Salts, acids, astringents, and aromatics are 

 unaffected (see Garcl. Chron., April 23, 1897, p. 550). 



Hawthorn (Crataegus Oxycantha). — A well-known native tree 

 with fragrant, white clustered flowers. There are double, and 

 rose, pink, and crimson forms. 



Heart's Ease (see Viola). 



Hedychium spicatum. — The dried roots or rhizomes are pounded 

 and used in the form of incense, and also as a medicine in 

 India. 



Hedysarum Coronarium (French Honeysuckle). — A crimson- 

 flowered biennial plant well worth culture. 



Heliotrope (Heliotropium peruvianum). — Well-known sweet- 

 scented flowering shrubs from Peru. Their flowers are 



