226 WEEDS AND USEFUL PLANTS. 
session of the soil. Although the flowers are somewhat showy, it isa 
rthless and very objectionable weed,—the roots very tenacious 
of life—and r requiring much ee efor to eroeeie them. The 
remarkable variety called nthe —with a regular 5-lobed ventricose 
corolla, 5 spurs, and 5 perfect pies ens—is “oveas ioually to be observed. 
Sometimes these Pelorias are tetramerous ; 7. e. the corolla 4-lobed, with 
4 spurs, &c. They are frequently, if not always, late flowers,—situa 
at the oe de of the raceme of full grown capsules, and Sopeen ntly the 
latest floral developments of the plant. aie other European species 
are sparingly introduced, but they are Aine ee not sufficiently dis- 
seminated to warrant their description here. 
3. PAULOW’NIA, Sieb. § Zucc, Paviownta. 
Calyx eg he 5- page Saag ae thick. Corolla with an elongated de- 
— tube a pias e limb with 5 roundish divisions. Stamens 4, 
ng a without the rudiment of a fifth. Capsule 
atu _accminate, loculcidally 2valv - Seeds numerous, oblong, sur 
rounded by a membranaceous wing, striate. —Trees with the habit of 
Catalpa ; petives of Japan 
1. P. mperta’iis, Sieb § Bide Leaves opposite, balcony heed 
3-lobed or entire, mney ovate cordate: panicle large wi 
many-flowered opposite branches. 
Imperian Pies. Pactewai 
Tree with horizontal tortuous branches. Leaves when young canescent hairy on 
sides, when old on the under side only, with the upper we. finely pubese: ak, wi 
inches to a foot in length, and on the young shoots even large! Calye divided below the 
gs the lobes oblong Aes externally tomentose. Corolla 114-2 inches long, violet 
or rose — — ood thant eaked with brown and yellow within. "Dupalle ka inch in 
Jongth, 2 ed, aa 
Culti ated aa a May, 
oronus and bear leaves 
an enormous fe net is a little too delicate for the climate of 
New York, for three years preceding the — — the flower buds 
have been very generally killed by the severe winters. The e3 
remain on the tree for a very long time and injure its appearance. + 
4. DIGITA’LIS, L. Foxenove. 
[From the Latin, Digitale, the finger of a glove ; from ae SSAA ee Feneed 
Calyx 5-parted. Corolla declined, tabe ventri tracted at 
base, the limb —— upper lipe marginate, the iD ower  3fid with the 
middle lobe the largest. Stamens 4, didynamous. Capsule ovate, with 
a septicidal dehiscence Seales numerous, minute, —- angled. Herbs 
with crowded, petioled, radical leaves ; bearing sho a 
Pee dD. on ee Biennial ; lower leaves ovate or elliptic-oblong, 
