1 38 LEGUMmO S^. , [ Tephrosia, 



Purshi Fl, Am, v. 2, p. 461. Bot. Mag, t 1707. — Dalea violacea. Willd, — D. purpurea. 

 Vent Cels* t 40. — Psoralea violacea. Polr* 



Hab. In the same situations as tlie preceding species, Douglas ; Di-ummond. — Petals purple. 



S. P. ornatum; spica oblongo-cylindracea, bracteis calyce villosissimo longioribus, 

 follolis 2-3-jugis elliptico-oblongls glabris. — Douglas^ MSS. in HerL Hort Soc, 



Radix perennis. Caulis pedalis, glaber, striatus, valde ramosus. Folia pinnata ; foliolis uncialibus ob- 

 longo-ellipticis obtusis vel retusis, basi nunc subcuneatis, subtus pallidis glanduloso-punctatis, supra, siccitate, 

 pulcberrime eeruginosis. Spica solitaria, terminalis, pedunculata, oblong-o-cylindracea, crassa, multiflora. 

 BractecB yalde hirsutse, subulatae, calycibus hirsutissimis longiores. Petala violacea. 



Hab. Frequent in the arid Prairies near the Blue Mountains of Lewis River, North-West America. 

 Douglas, — This is perhaps the most beautiful species of the genus, and well deserving of the name 

 which ^Ir. Douglas has given to it. The spikes are large, densely clothed with spreading silky hairs, among 

 which the rose-coloured petals appear. The leaves are perhaps more remarkable in their dry than in their 

 fresh state ; for in the Herbarium, the upper-side becomes of a rich verdigris-green. The same change of 

 colour takes place, though in a very inferior degree, in some of the specimens of P. candidum in my collection. 



9. GLYCYKHIZA. Zinn, 



Cat, nudus, tubulosus, 5-fidus, bilabiatus, lobis iiempe 2 superlorlbus ultra alios con- 

 cretis. Cor, vexillum ovato-lanceolatum, rectum, carina biceps aut dipetala recta acuta, 

 Stam. diadelpha. Stylus filiformis. Legu7nen ovatum aut oblongum, compressum, 

 ^-loculare 1-4-spernium. — Herbge perennes. Radices dulcissiince. Folia impari-pinnata, 

 Racemi axillares* Flores ccerulei violacei aut albi, DC, 



L G. lepidota ; foliolis oblongo-lanceolatis mucronatis subtus vix strigosis glanduloso- 

 sublepidotis, racemis spicatis oblongis laxis pedunculatis folio brevioribus, leguminibus 

 oblongis 2-4-seu 6-spermis setis uncinatis echinatis. — Nutt, in Fraser^s Cat Pursh^ Fl, 

 Am, V, 2, p, 480. Nuft, Gen, v. 2. p, 106. Bot, Mag. t, 2150. 



Hab. Banks of the Saskatchawan. Drummond, — " This," Mr, Douglas observes, " has perhaps a greater 

 range than almost any other plant in North America. It is common in the western territories of the United 

 States, (where, on the banks of the Missouri, at St. Louis, it was first discovered by Bradbury,) throughout 

 the temperate parts of the British Possessions, (as about Hudson's Bay, the Ked, Saskatchawan, Assinaboin, 

 and Athabasca Rivers,) and upon all the intervening plains; and is equally abundant on the west side 

 of the Rocky Mountains, from the source of the Columbia to its confluence with the sea, and from 

 Cape Mendociua, in lat. 47°, to Puget Sound on the shores of the Pacific." It is, therefore, not without 

 reason that Mr. Nuttall suspected this was the Liquorice, mentioned by Sir A. Mackenzie as indigenous to 

 the coasts of the Pacific Ocean, which Dr. Richardson determined to be tbe Hedysarum Mackenzii. It 

 will be remarkable if this species should prove the same as a North African one, Mr. Nuttall, indeed, 

 alludes to its similarity with the G. fcetida of Desfontaines ; observing, that, like that, it emits a somewhat 

 disagreeable resinous odour: but he does not say how they differ, I have compared our American species 

 hoth with Desfontaines' description and figure, and with specimens gathered by Saltzmau at Tangiers; and 

 I confess, as far as can be judged from these authorities, I can find no distinguishing character whatever. 

 The number of seeds is variable in both. The little scales on the underside of the leaves are the same in 

 both, and they are formed by a resinous exudation from the glands, which abound, as in Psoralea and 

 Petalostemon, and which are scarcely different in colour from the leaf itself, 



10. TEPHROSIA. Pers. 



CaL ebracteolatus subaequalis 5-dentatus. CaroUcB vexillum amplum subrotundum extus 



