50 MAYFAIR NURSERIES, Box 87, Hillsdale, N. J. 
Heuchera sanguinea Oakington Jewel. An improved form of the preceeding species 
with crisp, dark green leaves marbled with dark red. The airy sprays of flowers 
are a dark blood red. Same soil and exposure as above. 
Heuchera sanguinea Rosamonde. The same lovely evergreen foliage as H. sanguinea. 
This charm'ng variety has ample sprays of clear light pink flowers from June to 
August. . 
Heuchera sanguinea Snowflake. Pure white flowers in abundance. A colony of these 
hardy plants nestled at the base of a huge rock with their tall wands waving in 
the slighest breeze is a lovely slight to behold. 
HOUSTONIA. Bluets. (Rubiaceae, Madder Family) 
Houstonia coerulea. (Bluets or Quaker Ladies) Very tiny dark green leaves in tight 
tufts about one inch high, completely covered with myriads of pretty porcelain blue, 
four pointed stars in April and May and a few through the summer. A little gem 
you will always cherish and always have, for it comes up readily from self sown 
seed. A native of New England that thrives in a loose acid loam in sun or light 
shade. (pH 5-6) The delicate blue flowers often fade to pure white in full hot 
sun. 
Houstonia longifolia. An extremely rare and charming species that forms dense tufts 
of long lance shaped leaves about 3 inches high. The 6 inch flower stems carry 
pretty fluted pale lavender flowers in dense cymes in April and May. A rare 
Eastern native that likes partial shade in a gritty, moist acid soil. (pH 5-6) 
Houstonia serpyllifolia. A quickly spreading evergreen mat of tiny leaves on creeping 
stems, only %4 to % an inch high. Fascenating deep blue flowers on 2 inch stems in 
April and May. This one must have a moist acid soil in shade. A cunning little 
creeper that clings to moss covered rocks and lovely between stepping stones ofa 
shaded walk. (pH 5-6) 
E HUDSONIA, Beach Heather. (Cistaceae, Rock Rose Family) 
Hudsonia ericoides. A dwarf, compact, upright growing Heath-like shrub about 8 
inches high, with very fine hair-like leaves and small but vivid and showy yellow 
flowers in May and June. A difficult native of the New Jersey Pine Barrens that 
requires a very sandy acid soil in sun or light shade. (pH 4-5) The soil should be 
3 parts sand and one part acid pine leafmold. 
Hudsonia tomentosa. (Silver Beach Heather) Another native Pine Barren species that 
is just as difficult as the foregoing. A dwarf shrub with small scale-like silvery 
leaves and a shower of bright yellow flowers in May. It must have the same acid 
sand as H. ericoides. 
HUTCHINSIA. Pepperwort.(Cruciferae, Mustard Family) 
Hutchinsia alpina. A choice tiny alpine from the European Alps: Little tufts of very 
finely cut, dark green ferny foliage about 2 inches high. Little clusters of white 
flowers are held above the evergreen leaves in April and May. A little gem for a 
conspicuous spot in a well drained, gritty lime soil in sun or very light shade. 
(pH 7-8 ) 
HYDROCOTYLE. (Umbelliferae. Carrot Family) 
Hydrocotyle peduncularis. An evergreen ground cover only ¥% inch high, with very 
small, kidney shaped, dark glossy green three lobed leaves that form very attractive 
solid evergreen mats. It likes a moist soil jn sun or hight shade along the edges of 
streams and pools but it will succeed im a dryer garden soil in part shade. (pH 6-8) 
HYPERICUM, St. JohnsWort. (Hypericaceae, St. JohnsWort Family) 
Hypericum olympicum. An interesting subshrub from Asia Minor that forms almost 
prostrate mats of very thin, long trailing steams with small blue-gray leaves. Huge 
bright yellow flowers as much as 2 inches across are borne at the ends of the 
branches in June and July. A lovely plant that should have some protection in the 
far north. It is easy to grow in a well drained garden soil in full sun. Useful as 
a cover for the tiny bulbs. 
Hypericum rhodopeum. Flat dense mats of long trailing stems with velvety, silver leaves 
and huge bright yellow flowers in June and July. The large flowers on these tiny 
plants are quite amazing. Easy to grow in a well drained garden soil in full sun. 
Lovely in wall gardens or tumbling over large rocks. This one is a fast creeper 
poe a fine evergreen ground cover. It should be given winter cover in the 
north. 
