GLOSSARY. 167 



is widely scattered. It is deciduous, grows from 15 to 20 feet 

 in height, and produces the large and well-known fruit, of 

 which there are several varieties. It flourishes in many parts 

 of Australia. The Orient is its native home. 



R 



Radish. — RAPHANUS SATIVUS. (Natural Order, 

 Crucifer^e.) Pp. 17, 54, 183. — A common annual, well 

 known in kitchen gardens. The Red and White Turnip 

 Radishes are merely varieties ; the Black and White Spanish 

 are winter sorts. 



Rafflesia Arnoldii. — (Natural Order, Rafflesiace/e.) 

 P. 41. — A most singular plant, first discovered in Sumatra. 

 It is a parasite, possessing neither leaf, branch, nor stem. 

 Its enormous flower, which after a few days' expansion 

 sends forth a most putrid odour, has been known to measure 

 more than a yard across ; and the nectarium or flower-cup 

 will sometimes hold six quarts of water. 



Red Cedar. — CEDRELA TOONA. (Natural Order, 

 Meliac^e.) P. 195. See also chapter 'Australian Vegeta- 

 tion,' p. 92. 



Rhododendron. — (Natural Order, Ericaceae.) Pp. 20, 63. 

 — This handsome shrub, sometimes called the Tree Rose, 

 is well known in Victoria, where it is largely cultivated, 

 growing freely in the open air with moderate attention, 

 and producing exquisite fragrant flowers, relieved by glossy 

 green foliage. There are many varieties, all of them 

 favourites in our public and private gardens. 



Rib Grass. — PLANTAGO. (Natural Order, Planta- 

 GiNEiE.) Pp. 34, 203. — The Greater Plantain or Rib- 



