316 
THE CULTURE OF HARDY PERENNIALS. 
*Thalictrum minus, (Least Meadow Rue.) 
— A very interesting plant, resembling the 
last in general character, but much smaller; 
the flowers are pale yellow, with brown sta- 
mens ; height, from nine inches to a foot. 
Flowers in June. 
Thalictrum majus, (Large Meadow Rue.) 
— With the same character as the preceding, 
but altogether larger, growing from two and 
a half to three feet high. Flowers in June. 
*Thermopsis fabacea, (Bean-like Ther- 
mopsis.) — The leaves trifoliate; the leaflets 
broadly oval; the flowers in a small raceme, 
at the termination of the shoots, on an erect, 
slightly branching stem, pea-shaped, yellow; 
height, one foot and a half. Flowers in 
June. 
Tiarella cordifolia, (Heart-leaved Tia- 
rella.) — The root leaves are cordate, acutely 
lobed; the flowers white, small, in a simple 
raceme, at the top of the naked stem; height, 
one foot. Flowers in April. 
*Tigridia pa vonia, (Mexican Tiger-flower.) 
Bulbous. The leaves sword- shaped, plaited; 
the flowers of three large reflexed petals, and 
three intermediate smaller ones, orange, spotted 
in the centre with reddish brown; height, one 
foot. Flowers in May. The flower endures 
but one day. 
*Tigridia conchiflora, (Shell-flowered 
Tiger-flower.) — Bulbous. The leaves and 
flowers in the way of the last, but the latter of 
a deeper yellow or orange; height, one foot. 
Flowers in May. 
*Tradescantia virginica, (Virginian 
Spider Wort.) — The stem erect, leafy; the 
leaves lanceolate; the flowers in terminal clus- 
ters, of three petals, blue ; height, one foot 
and a half. Flowers in May. There are 
varieties of this plant with different coloured 
flowers. 
*fTRADESCANTiA caricifolia, (Sedge- 
leaved Spider Wort.) — The stem erect; the 
leaves linear, acuminate; the flowers blue; 
height, one foot. Flowers in August. 
Tradescantia pilosa, (Hairy Spider 
Wort.) — The stem branched ; the leaves lanceo- 
late; the flowers purple; height, two feet. 
Flowers in September. 
Trifolium rubens, (Red-flowered Clo- 
ver.) — The leaves, as the name implies, are 
trifoliate ; the leaflets oblong ; the stem is 
erect, bearing a large dense raceme of small 
crimson-red, pea-shaped flowers, which are 
very showy; height, one foot and a half. 
Flowers in July. 
Trollius europ^us, (European Globe- 
flower.) — A showy plant ; the leaves are pal- 
mate, a good deal like those of some of the 
Crowfoots ; the flowers like a large yellow 
double buttercup, with the petals incurved, 
giving the flower a globular appearance, 
they are borne on a 
height, one foot. 
whence the trivial name ; 
slightly branching stalk 
Flowers in May. 
*Trollius asiaticus, (Asiatic Globe- 
flower.) — Much like the last, differing chiefly 
in having dark orange-coloured flowers. 
Flowers in May. 
*f Trollius acaulis, (Stemless Globe- 
flower.) — A handsome dwarf kind, with golden 
yellow, spreading, cup-like flowers ; height, 
six inches. Flowers in July. 
Tulipa oculis solis, (Agen Tulip.) — 
Bulbous ; the leaves are lanceolate ; the. flow- 
ers, of six-pointed spreading petals, red, with 
black centre ; height, one foot. Flowers in 
May. 
*Tulipa Cluslana, (Clusius's Tulip.) — 
Bulbous ; the leaves are linear lanceolate ; 
the flowers small, spreading, white, with 
purple centre ; height, one foot. Flowers in 
June. 
Tulipa Celsiana, (Cels's Tulip.) — Bulb- 
ous ; the leaves linear lanceolate ; the flowers 
yellow ; height, one foot and a half. Flowers 
in June. 
*Tupa blanda, (Pale-coloured Tupa.) — 
These are allied to the Lobelias ; the stem is 
erect, triquetrous ; the leaves lanceolate acu- 
minate ; the flowers pale rose-coloured ; height 
one foot and a half. Flowers in August. 
Scarcely hardy. 
Tupa Feuillei, (Feuille's Tupa.) — The 
stem is erect, simple ; the leaves oval ; the 
flowers scarlet or crimson ; height, one foot 
and a half. Flowers in September. 
Tussilago Farfara, (Common Coltsfoot.) 
— This has cordate angulated leaves, and 
yellow-rayed flowers, produced earlier than 
the leaves, on short stems about three inches 
high. Flowers in March. 
* Veronica Cham^edrys, (Germander Speed- 
well.) — This has ovate leaves, and axillary 
few-flowered racemes of large rotate blue 
flowers ; height, six inches. Flowers in June. 
This varies with flesh-coloured and with white 
flowers. 
Veronica latifolia, (Broad-leaved Speed- 
well.) — This has sub-cordate ovate leaves, and 
axillary dense racemes of blue flowers ; height, 
two feet. Flowers in May. 
*Veronica caucasica, (Caucasian Speed- 
well.) — A dwarf plant, with bi-pinnatifid leaves ; 
and axillary, few-flowered racemes of pale 
red flowers ; height, six inches. Flowers in 
June. 
* Veronica maritima, (Sea-side Speed- 
well.) — This is erect, with ovate-lanceolate 
tufted leaves, three or four in a whorl ; the 
flowers are small, rotate, in dense terminal 
racemes, or long narrow spikes ; they are 
blue, varying to purple, and white; height, 
two feet. Flowers in August. 
