RARE SHRUBS AND TREES 
—Farreri. Leaves white-felted, large and handsome; flowers fragrant, lilac; April. 
—Forrestii. Leaves covered with reddish-brown down, beneath; inflorescence cylind- 
rical; flowers frangrant, varying from pale lilac to reddish maroon. 
—-globosa. ~The Chilean “Orange Ball Tree”; a striking tall shrub when in May laden 
with orange-yellow, ball-like infloresccences. 
—japonica. A Japanese shrub of arching habit with drooping racemes of pale lilac. 
—Lindleyana. Long slender racemes of long curved purplish violet flowers. 
—madafascariensis. Yellow flowers in long panicles during winter; tender. 
—myriantha. Leaves lanceolate, covered beneath with white felt; flowers in long slend- 
ed panicles; an elegant grey shrub. 
BUPLEURUM fruticosum. On of the best shrubs for exposed places near the sea and 
limey soils; also for planting under trees; foliage bright green; flowers yellow; July. 
CALOPHACA wolgarica. A prostrate shrub bearing yellow, pea-shaped flowers in 
June and July; needs full sun. 
CALYCANTHUS fertilis. ‘“Allspice’’; flowers brown-crimson through summer. 
CARYOPTERIS. Small verbena-like shrubs with grey aromatic leaves, best in full sun, 
—clandonensis. (Mastacanthus x mongolica) This vigorous hybrid thrives almost any- 
where, producing its bright blue flowers in August and September. 
An ideal subject for mass effect and can be kept to a height of about 214 ft. 
—Mastacanthus. An erect shrub up to 5 ft high; fliwers viilet-blue, opening in Sept. 
—mongolica, Distinct in its dwarf habit, narrow leaves and comparatively large rich 
—mongolica. Distinct in its dwarf habit, narrow leaves and large rich blue flowers. 
CASSIA corymbosa. Very handsome wall shrub with pinnate leaves; flowers large 
rich yellow, in termminal clusters during late summer; needs very warm site; tender. 
—marylandica. A semi-woody plant; flowers in racemes, yellow with purple anthers. 
CERATOSTIGMA. The “Plumbagos” are favorites on account of their blue flowers. 
—Griffithii. A beautiful Himilayan species, only suitable for mild districts; leaves colir 
well in the autumn. 
—Willmottianum. Forms a shrub of about 3 ft in height; the rich blue flowers appear 
in July and continue until autumn; suitable for either shrubbery or herbaceous border. 
CERCIDIPHYLLUM japonicum. Forms a small, round-headed tree, assuming rich 
autumnal colors in favorable seasons. 
CHIONANTHUS retusa. ‘Chinese Fringe Tree’; a choice shrub, bearing pure white 
fliwers in profusion in June and July. 
CHORDOSPARTIUM Stevensonii. An exceedling rare N. Zealand broom-like, leafless 
shrub, bearing racemes of lilac flowers; resembles in habit a small weeping willow. 
CLETHRA. Shrubs requiring a lime-free soil, flowering in late summer and notable 
for their fragrance; all have white flowers in long racemes or panicles. 
—arborea. A magniicent tall shrub with Lily-of-theValley-like flowers; only suitable 
for the mildest sections. 
COLLETIA. Interesting and curious shrubs with green, polymorphic, leaf-like stems; 
foliage scanty, sometimes absent; flowers small, ivory-white. 
—armata. Branches with long, stout spines. 
—cruciata. (bictoniensis) Branches rigid, with large, triangular, compressed spines. 
CORIARIA. Shrubs characterised by the frond-like arrangement of their leaves and 
and showy fruits. 
yellow in the form xanthocarpa. 
—terminalis. Handsome sub-shrub from Sikkim and China; fruits black or translucent 
—nepalensis. A low spreading shrub with black-purple fruits; foliage tinted in fall. 
CORNUS. The Dogwoods listed below are those that are not commonly found grown 
in this country. 
—alternifolia argentea. One of the very best of variegated shrubs; small plants. 
—capitata. Tender. evergreen species suitable for mild sections; beautiful small tree; 
flower heads surrounded by sulphur-yellow bracts, followed by large, strawberry fruits. 
—dubia. A rare hybrid between C. paucinervis and Amomum. 
—Kousa. Elegant tall shrub; the numerous flowers of which the white bracts are the 
conspicuous part, are poised on slender erect stalks on the horizontal branches. 
—macrophylla. Large leaved tree up to 30 ft. high; flowers creamy white in 4-6*‘ heads. 
—mas. The Cornelian Cherry; a shrub or small tree producing an abundance of small 
yellow flowers in February; berries 34 inch long, bright red. 
—w—aurea. Leaves suffused yellow. 
——variegaia. Leaves margined white. 
—officinalis. Rare Korean species, similiar to C. mas with yellow flowers; red fruits. 
CORYLOPSIS. A group of very pretty, early spring flowering shrubs related to the 
Witch Hazel, but bearing their cup-shaped, primrose-yellow, fragrant flowers in droop- 
ing racemes. fi 
—glabrescens. (Gotoana) A tall growing Japanese species. : ‘ 
—pauciflora. Densely branched shrub, not above 4 ft, exceedingly free-flowering and 
cow-slip scented. 
—sisensis. Tall shrub distinguished by its many-flowered racemes. 
—spicata. A spreading shrub up to 6 ft. high; leaves roundish, leathery and glaucous; 
flowers are bright yellow. ; 
—wWillmottiae. An elegant shrub to 12 ft. with soft yellow, very fragrant flowers in 
long racemes. 
NOTE: This list will continue in next issue; if you are interested in any of these 
rare shrubs and trees, reserve your wants NOW; send no money, we will advise later 
as to prices and delivery at which time you can either cancel or conferm. 
PIONEER SEED COMPANY 
DIMONDALE MICHIGAN 
ERYTHRINA INDICA VAR. ALBA 
This is the rare white flowered form of the 
spreading, deciduous, thorny Indian shade 
tree that is considerably planted in South 
Florida. Some related red-flowered species 
are planted in Southern California. 
By E. A. Menninger 
OMPHALODES LINIFOLIA 
A charming little annual Borage, six to 
12 inches high with cold white flowers some- 
times. tinged with blue. 
It flowers from June to August, is very 
free flowering and pleasing. 
147 
PENSTEMONS IN CALIFORNIA 
One grower reports from California that 
Penstemon aridus, Purdyi, Blue Bedder,Bar- 
rettae, Cardwelli, Crandalli, Davidsoni, Men- 
ziesi and Menziesi serophyllum are the best 
behaved Penstemons in her garden. 
Others report that P. rupicola is a fine 
species with its mounds of silvery foliage 
surmounted by carmine-rose flowers. 
However, another California grower re- 
ports P. cyananthus, confertus, Crandalli, 
caelestinus as good but gives up growing P. 
tupicola, Menziesi, Davidsoni and Cardwelli; 
sO one can see much depends upon the part- 
icular grower, his desires and his growing 
conditions. 
HARDY TROPICAL PLANTS 
There are many ornamental plants native 
of the tropical regions that are hardy in 
the temperate zone. The reason for this is 
that they grow at high elevations in the trop- 
ics and thus have a similiar climate so far 
as temperature is concerned, as if they grew 
farther north. 7 
I would imagine that most plants belong- 
ing to this classification would be sun loving 
plants, because of the direct sun light in the 
tropics. Can some of our readers enlarge 
on this? 
COLD STRATIFICATION OF SEEDS 
Continued from Page 145 
keep it moist. In some cases the peat or 
sphagnum has been found better. Some 
seeds do best when the medium has some 
acid reaction. 
The temperature should be just above 
freezing and a real low temperature is not 
necessary, in fact in some cases even harm- 
ful. Of course the container should be such 
as to hold the moisture and not allow it to 
decrease. The medium should be just moist 
and moist clear thru, too. In the bottom of 
the container a false bottom should be made 
so as to hold the seed up out of any surplus 
water that may drain from the medium. 
When seed is received early enough in the 
fall so that it can be sown, the winter treat- 
ment in the seed bed will save the stratific- 
ation treatment but there are advantages in 
the spring planting. Loss from rodents is 
an important one and much work to keep 
them out of the seed bed can be saved. A 
good stirring of the soil can also be made in 
the spring as well as winter damaged that can 
come from so many different sources. 
Some of the woody plants that require 
this treatment are: the Firs, Maples, Ailan- 
thus, Alnus, Amelanchier, Aralia, Aronia or 
Chokeberry, Paw Paw, Barberry, Birch, Car- 
pinus, Ceanothus, Bittersweet, Celtis or 
Hackberry, Cercis canadensis, Clematis, and 
best probably on all the woody species, Cor- 
nus or Dogwood, Corylus, Cotoneaster, and 
Crataegus or Hawthorne (peat). 
Erongmus, Beech, Fremontia, Gaultheria, 
Helesia, Hamamelis or Witch Hazel, Juniper- 
us, Larch, Ligustrum or Privet (sand or peat) 
Lindera Benzoin, Liquedambar or Sweet 
Gum, Liriodendron or Yellow Popular (peat) 
Magnolia, Malus or Apple, Mulberry, Myri- 
ca or Southern Waxmyrtle (acid peat), Tup- 
elo, Picea, Pines, Prunus or Plums, Rham- 
nus or Buckthorn, Ribes, Rosa blanda and 
probably all rose species, Sapindus or 
Western Soapberry, Sassafras, Sequoia, Shep- 
herdia, Lilac, Tilia or Basswood, Ulmus or 
Elm and Viburnum. Of course there are 
a great many more and we will try to get 
this information into all the seed listings in 
the future. The change in the form of cat- 
aloging will do this better and is one of 
the main reasons for the change. 
