122 Select Plants for Industrial Culture and 



Rosenthal notes as likewise producing edible fruits : C. nivea 

 (Jacq.), C. pubescens (L.), C. excoriata (L.), C. flavescens (Jacq.), 

 C. diversifolia (Jacq.), C. Leoganensis (Jacq.) is also a coast-tree; 

 other species belong to forest-regions of mountains. They are all 

 natives of the warmer zones of America. 



Cochlearia Armoracia, Linne. (Nasturtium Armoracia, Fries.) 



The Horse-radish. Middle Europe and Western Asia. Perennial* 

 In Norway grown to latitude 70 22' N. Requires rich soil ; best 

 propagated from truncheons. On some soils not easily eradicated. 

 Within the tropics this plant thrives best in shady localities. The 

 volatile oil of the root allied to that of mustard. 



Cochlearia officinalis, Linne. 



The Scurvy-cress. Shores of Middle and Northern Europer 

 Northern Asia and North- Am erica, also on saline places inland 

 even on the Pyrenees. A biennial herb, like the allied C. Angelica 

 and C. Danica (Linne), valuable as an antiscorbutic, hence deserving 

 naturalisation. It contains a peculiar volative oil. 



Cocos australis, Martius. 



From Brazil to Uruguay and the La Plata- States. One of the 

 hardiest of all palms, hardier than even the Date-palm, withstanding 

 unprotected a cold, at which oranges and almonds are injured or 

 destroyed. It remained perfectly uninjured at Antibes at a temper- 

 ature of 15 F [Naudin], C. pityrophylla ascends the Andes to 

 7,800 feet (Count de Denterghem). 



COCOS flexuosa, Martins. 



Brazil, extending far south. This slender and rather tall 

 decorative Palm belongs to the dry Cactus-region with C. coronata, 

 C. capitata, Astrocaryum campestre, Diplothemium campestre and 

 Acrocomia sclerocarpa (Martius). It becomes a stately plant in a 

 few years, and produces seeds most freely. Cocos coronata with- 

 stood at Hyeres a temperature of 22 F. [Bonnet]. 



Cocos plumosa, Loddiges. 



South-Brazil. This splendid Feather-palm attains a height of 

 60 feet. It is one of the hardiest of all palms, requiring no pro- 

 tection at Port Phillip. Quick of growth and particularly hand- 

 some in stature. Stem comparatively slender. 



Cocos regia, Liebmann. 



Mexico, up to 2,500 feet. A Palm of enormous height ; almost 

 sure to prove hardy in the mildest extra-tropic latitudes. 



Cocos Xlomanzoffiana, Chamisso. 



Extra- tropic Brazil. This noble palm attains a height of 40 feet. 



