ah) 
Several members of the Mustard Family are now becoming con- 
spicuous. Draba aizoides, about two inches high, remains in good 
condition and is joined by D. cuspidata, similar but somewhat 
yssum (4. montanum), a very dwarf 
—_— 
larger. ‘The mountain A 
species with hoary leaves and yellow flowers, opens its flowers 
about the 14th and remains in bloom for about six weeks; the 
well-known “ Goldentuft ” (4. savatile, Fig. 3) and its varieties, 
follow closely on the heels of A. montanum. The Goldentuft is 
Fig. 15. Saponaria ocymotdes and Roof Iris (Jris tectorum). (3472) 
very successful in a dry situation, and is one of the best wall- 
garden plants for our climate. The “ Wallcress” (Arabis al- 
bida) usually shows its white flower buds during the second week 
of April and gives a good account of itself until beyond the middle 
of May. Because of its lasting qualities the double flowered form 
of this species is much to be preferred. The deep blue flower- 
spikes of Muscari racemosum and the white candelabra of Arabis 
form a charming combination when these two species are inter- 
planted. Arabis albida, in this country, is usually offered in cata- 
