TETRADYNAMIA. SltT^UOSA. 71 



cuspidate, rather Dioad, somewhat lanceolate-linear or 

 attenuated at either extren.ity, terminating* cusp 1-4 ot" 

 an inch long-. 9. hirs-aiUy Brown. Turritis hirsuta, Willd^ 



A g-enus of about 25 speciCs, almost exclusively indige- 

 nous to Europe. 



465. TURRlTiS. /.. (Tower-Mustard.) 



<« Silique elon.^ated, ancipital: valves nervosa 

 or rarinate. Seeds disposed in a double series. 

 Cotijledones acciimbent." R. Brown. 



Stem erect, simple or divided; spike long- and terminal. 

 Pubescence in this and the preceding- genus forked. — 

 Calix and corolla erect. 



Species 1 T. lavigaia. Is this plant distinct from 

 Arubis canadenMs? 



A small Kuiopean genus. 



466. ^STANLEYA.f 



Calix very large, rertan.j^ularly crncjate, di- 

 vergent, coloured. Petals erert, claws exceeding 

 the laujin?8 in len.q:h and coniiivf^nt in a tetrahe- 

 draltube. Stamina swheiyv^\, G'ands 4: 2 oi^t- 

 side and 2 insidt* the corolla. Silique stipitate, 

 bilocuJar, bivalve. Seeds obiong, ilattish. Em- 

 ■bryon fiak and erect. 



Ilerbaceoiis and perennial; leavf s alternate and pinnar 

 tifid; flowers densely racemose, corspicnous; sil q!!£ slen- 

 der and very long-, producing- a distinct and parallel dis- 

 sepiment. 



Species. 1. S. pinnatin<!a. Olaucons and smooth; 

 leaves thiokish and undulated, inierruptecUy p nnat fid, 

 lobes s-.bu.nceoiate, remotely toothed; racemes terminal, 

 many-flowered; flo-A-ers yellow, urynn lon-f-ish peduncles. 



C'leome pinnata. Ph. In snppl. 2. p. 739. 



Obs. Stem about 3 feet high, terete. Leaves larg-e and 



t This genus is dedicated as a tribute of respect to the Right 

 Honourable I^ord Stanlev, whose distinguished taste and ta- 

 lents for natural history, and more particuhuly ornithology/^ 

 are too weii appreciated to reqiure any funber illustratyioR. 



