220 Classified Lists 
OBEDIENT Piant (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 ft. 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. grandiflorus). 2-3{t. 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. cerulea). 1 ft. Many horticultural 
varieties, and sometimes erroneously called Myrtle. A trailing plant 
with shining leaves and sky-blue flowers 1 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 Hotty (Eryngium amethystinum). 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 
