220 Classified Lists 



OBEDIENT PLANT (Physostegia Virginiana). 3 ft. A very beautiful 

 plant with glossy, thick leaves, square stem and long, branching racemes 

 of rosy lilac flowers. Also a variety (P. imbricata or P. speciosa) that 

 grows 5 ft. high is of even greater beauty and vigor; has larger flowers 

 and broader leaves. The White variety is one of the most effective of 

 all garden flowers; does well in full sun if soil is rich and moist. See 

 Obedient Plant, White Per., July. 



PENTSTEMON, BEARD-TONGUE (P. acuminatus). 2 it. Bears a long, 

 pointed raceme of lilac or pale-violet flowers. Suffers in a damp loca- 

 tion, particularly from the wet and cold of winter. 



PENTSTEMON (P. grandiftorus) . 2-3 ft. The finest of all Pentstemons, 

 bearing showy purple flowers. For culture see Pentstemon, Blue Per., 

 June. 



PHYSOSTEGIA, see Obedient Plant. 



PLATYCODON, WAHLENBERGIA, CHINESE BELLFLOWER (P. grandi- 

 florum). 2 ft. A variety of Campanula bearing very large, showy blue 

 flowers either solitary or but few at the top of branches. For culture 

 see Platycodon, White Per., July. 



PLATYCODON, var. Maresi. Shorter variety with even larger flowers-, 

 also a light-blue dwarf variety, P. Maresi, var. nana. For culture see 

 paragraph above. 



PERIWINKLE (Vinca minor, var. carulea). i ft. Many horticultural 

 varieties, and sometimes erroneously called Myrtle. A trailing plant 

 with shining leaves and sky-blue flowers i in. across. As the flowers 

 are borne on the new stock, nip the branches to make a bushy growth. 

 Propagated by layering, when roots will be thrown out at the joints, 

 and can be separated from the parent stock. ' To make it seed the plant 

 must be grown in a pot, and all lateral branches cut off. Requires loose, 

 rich soil and moisture. Does well in shaded places. Sometimes treated 

 as an annual, blooming in August. 



SEA HOLLY (Eryngium amethyslinum) . 3 ft. Bears dense heads of 

 amethyst-blue flowers on blue stalks; deeply cut, spiny foliage. Should 

 be given a very sandy soil and sun. As it spreads badly from seeds, 

 the seed-vessels should not be allowed to form. Propagated also by 

 division. 



SEA LAVENDER (Statice Limonium; also known as S. latifolia}. 2 ft. 

 The blue flowers are borne in a cloud on large, spreading panicles. It 

 makes a deep root and needs space as it is killed out if crowded. Thrives 

 in a deep, moist, sandy loam and leaf mold in a sunny situation; but 



