4 
TETRADYNAMIA. SILTQUOSA. 71 
cuspidate, rather broad, somewhat lanceolate-linear or 
attenuated at either extremity, terminating cusp 1-4 of 
an inch long. 9. hirsuta, Brown. Turritis hirsuta, Willd. 
A genus of about 25 species, almost exclusively indige- 
nous to Europe. 
465. TURRITIS. L. (Tower-Mustard.) 
s¢ Silique elongated, ancipital: valves nervose 
or carinate, Seeds disposed in a double series. 
Cotyledones accumbent.” R. Brown. 
Stem erect, simple or divided; spike long and terminal. 
‘Pubescence in this and the preceding genus forked.— 
Calix and corolla érect. 
Species. 1. T. levigata. Is this plant distinct from 
Arabis canadensis? 
A small European genus. 
466. * STANLEYA} 
Calix very large, rectangularly cruciate, di- 
vergent, coloured. Petals erect, claws exceeding — 
the laminz in length and connivent in a tetrahe- 
draltube. Slamina subequal. Glands 4: 2 out- 
side and 2 inside the corolla.  Sifique stipitate, 
dilocular, bivalve. Seeds oblong, flattish. Em- 
bryon flat and erect, 
Herbaceous and perennial; leaves ulternate and pinna- 
tifid; flowers densely racemose, conspicuous; sil que slen- 
der and very long, producing a distinct yp parallel dis- 
sepiment. me 
Specres. 1. §. pinnatifida. Glaucous and smooth; 
leaves thickish and undulated, interruptedly pinnat fid, 
lobes sublanceolate, remotely toothed; racemes terminal, 
amany-flowered; flowers yellow, upon longish peduncles. 
» ©, — Cleome pinnata. Pu. In suppl. 2. p. 739. 
Oss. Stem about 3 feet high, terete. Leaves large and 
t This genus is dedicated as a tribute of respect to the Right 
— Lord Stanley, whose pe Med taste and ta- 
are too well appreciated to require any further illustration. 
