226 



Annals of Horticulture, 



C. integrifolia, Torr. & Gray.* In 

 cultivation perhaps a dozen 

 years as "Rocky Mountain Bee- 

 Plant," 



Isomeris. Species 1, California. 



I. arborea, Nutt. (Eng. 1S39.) 

 Polanisia. About 15 kinds, 4 in 

 our territory. 



P. graveolens, Raf. (Eng.) 



Cistace^e, Rose-Rock Family. 

 Helianthemum. Over 100 species 

 are described; 7 in our limits. 

 H. Canadense, Michx. (Eng. 

 1823.) 



H. Carolinianum, Michx. (Eng.) 

 H. scoparium, Nutt. (Eng. 

 1848.) 



Hudsonia. Species 3, all North 

 America. 

 H. ericoides, Linn. (Eng. 1805.) 

 H. tomentosa, Nutt. (Eng. 1826.) 



Violace^e, Violet Family. 

 Viola. Species over 150; in our 

 region 33. 

 V. Beckwithii, T. & G. Gill. 

 1881. 



V. blanda, Willd. Gill. 1881. 



(Eng. 1802.) 

 V. blanda var. renifolia, Gray. 



Hors. 1889. 

 V. Canadensis, Linn. Gill. 1881. 



(Eng. 1T83.) 

 V. canina, Linn. var. adunca, 



Gray. Gill. 1881. 

 V. canina, Linn, var. Muhlen- 



bergii, Gray (var. sylvestris, 



Regel). Gill. 1881. 

 V. glabella, Nutt. Gill. 1881. 

 V. ianceolata, Linn. Gill. 1881. 



(Eng. 1759.) 

 V. lobata, Benth. Gill. 1881. 

 V. Nuttallii, Pursh. (V. aurea.) 



Gill. 1881. 

 V. palmata, Linn. * 

 V. palmata var. cucullata, Gray. 



(V. cucullata.) * (Eng. 1762.) 



There are white and variegated 



forms in cultivation. 

 V. pedata, Linn. * (Eng. 1759.) 

 V. pedata var. alba. * 

 V. pedata var. atropurpurea, 



(Eng.) 



V. pedata var. bicolor, Pursh. * 

 (Eng.) 



V. pedunculata, T. & G. Gill. 

 1881. (Eng. 1856.) 



V. pra^morsa, Dougl. (Eng. 

 18*8.) 



V. primulaefolia, Linn. Gill. 1881. 

 V. pubescens, Ait. * 

 V. rostrata, Muhl. Gill. 1881. 

 V. rotundifolia, Michx. Gill. 1881. 



(Eng. 1800.) 

 V. sagittata, Ait. Gill. 1884. 



(Eng. 1775.) 

 V. sarmentosa, Dougl. Gill. 1881. 

 V. Selkirkii, Pursh. Gill. 1881. 



(Eng. 1873.) 

 V. Sheltonii, Torr. Gill. 1881. 

 V. striata, Ait. Kelsey, '91-'92. 



(Eng. 1772.) 



POLYGALACE^, MILKWORT FAMILY. 



Polygala. Some 200 species ; 37 in 



our region. 

 P. paucifolia, Willd. Gill. 1881. 



(Eng. 1812.) 

 P. Senega, Linn. G. & H. 1891. 



(Eng.) 



Caryophyllace^e, Pink Family. 

 Arenaria. Over 130 species; in 

 our territory 35. 

 A. aculeata, Wats. Hors. 18^9. 

 A. Franklinii, Dougl. Gill. 1881. 

 A. Grcenlandica, Spreng. Gill. 

 1884. 



A. macrophylla, Hook. Gill. 

 1881. 



Cerastium. Species perhaps 100; 

 9 in our region. 

 C. alpinum, Linn. Native also 

 to Europe, where it is culti- 

 vated. 



Lychnis. Some 30 species; 11 in 

 this country. 

 L. alpina, Linn. * 

 Silene. Over 400 ssecies describ- 

 ed ; in our region 46. 

 S. Calif ornica, Durand. Gill. 

 1881. 



S. Douglasii, Hook. Gill. 1881. 

 S. Hookeri, Nutt. (Eng. 1873.) 

 S. Lyallii, Watson. Gill. 1881. 

 S. Menziesii, Hook. Gill. 1881. 

 S. Pennsylvanica, Michx. * 



(Eng. 1806.) 

 S. regia, Sims. (Eng. 1811.) 

 S. Scouleri, Hook. Gill. 1881. 

 S. stellata, Ait. * 

 S. Virginica,Linn. * (Eng. 1783.) 



PORTULACACEiE, PORTULACA FAMILY. 



Calandrinia. Species 60; a dozen 

 within our limits. 



