224 Classified Lists 



blooms several weeks later than the other variety. For culture, see 

 Liatris, Blue Per., July. 



LEADWORT, PLUMBAGO (Ceratostigma plumbaginoides trade name 

 Plumbago Larpenta). i ft. A half -shrubby perennial with zigzag stem 

 and close terminal heads of deep blue flowers changing to violet. It 

 requires a light rich soil and is propagated by seed or division of root. 

 Give a warm sheltered situation, and mulch in winter. 



JUNE 



BLUE ANNUALS 



ASPERULA (A. azurea setosa). i ft. A tender perennial treated as 

 an annual, bearing terminal clusters of small tubular lavender-blue 

 flowers. It thrives in any good soil and is self-sowing. June to 

 September. 



BACHELOR'S BUTTON, CORN-FLOWER (Centaurea cyanus, var. Em- 

 peror William). 2-3 ft. Bears deep-blue flowers in the greatest pro- 

 fusion if the seed-vessels are picked off as they form; self-sowing. 

 Autumn-sown seed produce the strongest plants and bloom in June, 

 while spring-sown seed come a month later. For culture, see Bachelor's 

 Button, White An., July. 



CLARKIA (C. puchelld). i ft. A low-growing variety bearing single 

 deeply -lobed lilac flowers of great beauty; also a semi-double variety, and 

 one in pink; self -sowing. Autumn-sown seed bloom in June; spring- 

 sown seed in July. Allow from 6-9 in. to each plant. Give a rich moist 

 soil. June to September. 



CONVOLVULUS. Dwarf (C. tricolor, also called C. minor), i ft. A 

 dwarf variety with ascending branching stems and large showy flowers 

 with rich blue corolla and white throat and yellow tube. Closely re- 

 sembles Nolana. Opens only in sunshine. Culture the same as Morn- 

 ing-Glory. 



CYNOGLOSSUM (Omphaloides linifolia, var. ccdestina, commonly 

 called C. ccdestinum). i ft. A sky-blue variety bearing flowers that 

 resemble Forget-me-nots. See Cynoglossum, White An., June. 



EUTOCA (E, viscida, known also as Phacelia viscida). 8 in. A rather 

 coarse variety of Phacelia, clammy all over, bearing terminal racemes 

 of deep-blue flowers less than an inch across, similar in flower but not 

 so handsome as Phacelia. For culture, see Phacelia, White An., June. 



