HARDY HERBACEOUS PLANTS. 133 



Wood-Hyacmtb, Squill {Scilla).—K cliarming genus 

 of plants, embracing numerous species and varieties, 

 showing many shades of blue flowers, some flowering 

 early, and others late. 



Sedum or Stone-crop. — See Rock Plants. 

 Catchfly {Silene): Sea Catchfly {S. maritima).— 

 White; June; 2 to 4 inches. 



Pennsylvania Catchfly (>S'. Pennsylva7iica). — Showy, 



pink; June; 4 to 6 inches. 

 Autumn Catchfly {S. Schaftd). — Purplish-rose; 



June; 6 inches. 

 Oriental Catchfly {S. orientalis). — Deep rose ; 

 showy: 1 to 2 feet. 

 Pink Root {Spigelia Marilandica). — Scarlet; June; 6 

 to 18 inches; protect. 



Meadow-Sweet (Spircea): Goat's Beard {S. Ar uncus), 

 —White; 4 feet. 



Drop wort {S. fiUpendida). — White; fern-like foliage; 



June; 1 to 2 feet. 

 Purity {S. Ulmaria, fl. pi.). — White; handsome; 

 June; 2 feet ; there is also a variety of this w^ith 

 golden variegated foliage. 

 Queen of the Prairie {8. venusta). — Soft rose; sum- 

 mer; 2 to 4 feet. 

 Stokesia, Blue (Stokesia cyanea). — Blue ; August and 

 later; 2 feet. 



^^\(\.Q\'VfOYi{Tradescantia). — Blue Spider wort {T. Vir- 

 ginica). — Fine blue ; of this species there are a number 

 of varieties, including white; May; 1 to 2 feet. 



Flame-flower, or Red-hot Poker Plant {Trifoma 

 Uvaria). — There are a number of varieties, scarlet, yel- 

 low, etc.; September; 2 to 4 feet. 



Tulips (T^dipa). — The varieties are very numerous, 

 of many colors and shades, single and double; April and 

 May. 



