THE ORNAMENTAL PLANTS — CLIMBERS 313 



Mexican rose, mountain rose, Antigonon leptopus. 



Root tuberous; a rampant grower, with pink bloom; outdoors South, 

 and a conservatory plant North. 



Kenilworth ivy, Linaria Cymhalaria. 



A very graceful little perennial vine, re-sowing itself even where not hardy ; 

 favorite for baskets. 



6. Herbaceous ticiners 

 Hop, Humulus Lwpulus.'^ 



Produces the hops of commerce, but should be in common use as an orna- 

 mental plant, 



Chinese yam, cinnamon vine, Dioscorea divaricata {D. Batatas). 



Climbs high, but does not produce as much foliage as some other vines. 



Wild yam, D. villosa.^ 



Smaller than the preceding; otherwise fully as good. 



Ground-nut, Apios tuberosa.^ 



A bean-like vine, producing many chocolate-brown flowers in August and 

 September. 



Scarlet runner and White Dutch runner beans, Phaseolus midtijiorus. 



Perennial in warm countries; annual in the North. 



Moonflowers, Ipomcea, various species. 



Some are perennials far South, but annual North. 



Hardy moonflower, Ipomoea pandurata* 



A weed where it grows wild, but an excellent vine for some purposes. 



Wild morning-glory, Rutland beauty. Convolvulus Sepium* and Cali- 

 fornia rose, C. Japonicus. 



The former, white and pink, is common in swales. The latter, in double 

 or semi-double form, is often run wild. 



Madeira vine, mignonette vine, BoussingauUia baselloides. 



Root a large, tough, irregular tuber. 



Mikania, climbing hempweed, Mikania scandens* 

 A good compositous twiner, inhabiting moist lands. 



