LISf OF HERBACEOUS PERENNIALS 



PHRAGMITES, TRIN. KEED. 

 (Graminece.) 



P. communis fol. var. 



PL, 1898. Hardy. Ht. 2 to 3 ft. 

 Foliage variegated. 



PHYSAIIS, L. WINTER CHERRY. 



(Solanacece.) 



**P. Alkekengi, L. Bladder Herb. Eur. 

 PI., 1898. Hardy. Ht. 1 ft. Fl. 

 whitish. Fruit red; June 29 to 

 Oct. 22. 



***P. Francheti, MAST. Chinese Lantern. 



Japan. 



PL, 1898. Hardy. Ht. 2 ft. FL 

 whitish. Fruit bright orange red; 

 June 18 to Sept. 18. 



PHYSOSTEGIA, BENTH. FALSE DRAGON'S 

 HEAD. 



(Labiates.) 



**P. virginiana, BENTH. North America. 



Syn. Draco cephalum virginicum, L. 



PL, 1895. Hardy. Ht. 3 to 3i ft. 



Fl. purplish mauve; July 26 to 



Sept. 11. 



**P. virginiana alba. 



PL, 1897. Hardy. Ht. 3 ft. FL 

 white; July 21 to Aug. 13. 



PHYTEUMA, L. KAMPION. 

 (Campanulacece.) 

 P. canescens, WALDST & KIT. Hungary 



and Caucasus 



PL, 1905. Hardy. Ht. 1* ft. FL 

 bluish purple ; Aug. 25 to Oct. 4. 



P. lobelioides, WILLD. Asia Minor. 

 PL, 1907. 



*P. orbiculare, L. Europe. 



PL, 1895. Hardy. Ht. 1 to 2 ft. 

 FL deep violet; June 9 to July 

 24. 



P. Scheuehzeri, ALL. Europe. 

 PL, 1907. 



PHYTOLACCA, TOURN. POKEWEED. 



(Phytolaccacece.) 

 P. decandra, L. Virginian Pokeweed. 



North America. 



PL, 1901. Hardy. Ht. 7* ft. FL 

 white and pink, ovary green. 



PIMPINELLA, L. BURNET SAXIFRAGE. 



(Umbelliferce.) 

 P. magna, L. Europe, &c. 



PL, 1905. Hardy. Ht. 3 to 3i ft. 

 FL white; July 9 to Aug. 7. 



PLATYCODON, A. DC. CHINESE BELL- 

 FLOWER. 



(Campanulacece.) 



***P. grandiflonim, A. DC. Chinese Bell- 

 flower. Balloon Flower. China 

 and Japan. 



PL, 1895. Hardy. Ht. 2 to 3 ft. 

 Fl. bright bluish violet; July and 

 Aug. 



***p grandiflorum album. 



PL, 1895. Hardy. Ht. 2* ft. FL , 

 white with traces of bluish vio- 

 let; June 30 to Aug. 12. 



P. grandiflorum glaucum. 

 PL, 1908. 



***P. grandinorum Mariesii. 



Syn. P. grandiflorum pumilum. 

 PL, 1895. Hardy. Ht. 1 to 2 ft. 



FL bright bluish violet ; July and 



Aug. 



***P. grandiflorum Mariesii album. 



PL, 1898. Hardy. Ht. Ito 2 ft. 

 FL white with traces of bluish 

 violet; July and Aug. 



P. grandiflorum Mariesii major. 

 PL, 1908. 



P. grandiflorum pumilum = P. grandi- 

 florum Mariesii. 



PODOPHYLLUM, L. DUCK FOOT. 



(Berberidacece.) 

 P. Emodi, WALL. Himalaya May Apple. 



Himalayas. 

 PL, 1898. Half hardy. - 



**P, peltatum, L. May Apple, Man- 

 drake. North America. 

 PL, 1898. Hardy. Ht. 18 to 22 in. 

 Fl .white; May 25 to June 12. 



POLEMONIUM, L. JACOB'S LADDER. 



(Polemoniacece.) 

 P. boreale, ADAMS. Siberia. 

 PL, 1907. 



