Naturalisation in Extra-Tropical Countries. 141 



be strewn out for naturalising the plants in open places of sylvan, 

 valleys for scenic final effect. It will stand a minimum temperature 

 of 20 F. [Gorlie]. When cut down will spring again from the root. 

 They bend before the blast, but will not break, and are securely 

 anchored in the soil by perpendicular descending root-stocks [Th. 

 Waugh]. C. Sturmii (Th. Kirk) is an allied plant. 



Cordyline terminalis, Kunth. 



South-Asia. Polynesia, East-Australia. The Ti-plant. The 

 roots are edible, when roasted. The leaves like those of other 

 species, can be utilised for textile fibre. The splendid decorative 

 Cordy lines with red or variegated foliage belong to this species. 



Coriandrum sativtim, Linn6. 



Orient and Middle Asia. An annual or biennial herb, its fruits 

 much in use for condiments. The essential oil peculiar. Ripens 

 seeds in Norway to lat. 68 40' [Schuebeler]. The seeds will keep 

 for several years ; 20 Ibs. are sufficient for one acre, returning 

 10-14 cwt. [G. Don]. 



Cormis florida, Linn. 



The Dog-wood of Eastern North- America. A showy tree, some- 

 times 30 feet high. The wood in great demand for shuttles, 

 handles, harrow-teeth, horse-collars and sledge-runners. The root- 

 bark is of therapeutic value. The tree is hardy still at Christiania 

 [Schuebeler]. 



Corrms macrophylla, Wallich. 



Himalayas, China, Japan. A tree to 40 feet high, with very 

 spreading branches. Recommended by Uhei Zuzuki for street plant- 

 ing. To this species the North-Eastern American C. alternifolia 

 [Linne fil.] is closely allied. 



Cornus mas, Linn. 



Europe, also Asia quite to Japan. This deciduous shrub or small 

 tree is deserving of attention, as from the fruits a very palatable 

 preserve can be prepared [Freyn]. It answers also for hedge- 

 growth. 



Cornus Nuttalli, Audubon. 



North- Western America. This is the largest of the genus, 

 attaining a height of 80 feet, with a stem 2 feet in diameter. One 

 of the most showy of Californian forest-trees. The wood is hard 

 and close-grained, similar to that of Cornus florida. The natives 

 use the small twigs for making baskets [Gibbons]. In the spring 

 the white inflorescence is visible for miles ; in autumn again the 

 scarlet fruit-colouration becomes an ornament to the landscape [Prof. 

 Bolander], 



