128 LEGUMINOS^. [Thermopsis, 



Hab. Canada. " La Grande Chaudierc." Pursh, MSS. Thence, as far north as the Saskatchawan. 

 Dr. Richardson, — Mr. Pursh says the R, suaveoleiis. Ait., is only the male of this species. The inflorescence 

 is -widely different from that of any other of the genus. 



Ord. XXVIIL LEGUMINOS^. Juss. 



\ 



SUBORD. I. PAPlLIONACEiE. LlUn, 



Trib. I. SoPHOREiE* Spr, Cor. papilionacea. Stam, libera. Cotyledones foIiacesD. DC. 



1. THERMOPSIS. Br. 



CaL oblongus campanulatusve 4-5-fidus subbilabiatus postice convexus basi attenu- 

 atus. Pet 5 subeequalia, vexillo lateribus reflexis, carina obtusa. Stam, persistentla. 

 Legumen compressum falcatum aut lineare polyspermum. — Herbae perennes sericeo-villos<B. 

 Folia trifoliolata. Stipulae ovato-lanceolatm foliace(B, Racemi terminales^ Jioribus pedicellatis 

 geminis aut suhverticillatis Jiavis, DC. 



1. T. rhomhifolia ; foliis petiolatis, foliolis rhombeo-ovatis subcuneatis, stipulis ovatis 

 cordatisve acutis petiolo subasque longis, racemo interrupto, legumliiibus falcatis com- 

 pressis. (Tab. XLVIL) — Nutt. Gen. v. 1. p. 283, (sub Thennia.) Rich, in Frankl. \st 

 Joum. ed. 2, p. 13. De Cand. Prodr. v, 2. p. 99. — Cytisus rhombifolius. Pursh, Fl» Am, 

 V, 2. p, 741. 



Radix perennis, subfosiformis, superne divisa. Caules 3-4 es eadem, radice, erecti, herbacei, parce ramosi. 

 i'/an^a junior caulibus foliisque pilis sericeis vestita, demum glabriuscula. Folia petiolata, trifoliolata, foliolis 

 sessilibus subrhombeo-obovatis, acutiusculis, infeme cuneatis. Stipidte maximae, ovatae cordataeve, foliaceae, 

 persistentes, virideSj non raro unciam longse, petiolo subseque longse. Pedunmlus subterminalis, sed fere 

 semper e basi rami annotini, et ita lateralis, racemosus, Racemus oblongus, 10-12-florus, floribus inferiori- 

 bus subinterruptis, pediceUis brevibus, sericeis. Bractece obovafee, longitudine fere calycis. Calyx oblongo- 

 campanulatos, sericeus, 5-fidus, seu potius 4-fidus, segroentis subaequalibus, superiore bifido. Corolla flava. 

 Vexillum obovatum, obtusum, primum lateribus inflexis demum suhreflexis. Aim obtusse, longitudine 

 vexilli et carinse obtusse. Stamina 10, libera, membranacea. Anther £b omnes fertiles, subrotundse. Germen 

 lineare, rectiusculum, dense sericeum. Stylus sursum curvatus, carina rix longior. Stigma obtusum, Legu- 

 men valde falcatum, fere digitale, compresso-planum, marg;inatum hie iUic constrictum, 3-6-spennum, stylo 

 perslstente acuminatissimum. 



Hab. About the Saskatchawan. Dr. Richardson; Douglas; Drummond. — In general aspect, this bears 

 a great resemblance to the Sophora alpina of Pallas ; but there the leaflets are much narrower, and the 

 stipules ternate. 



Tab. XL VII. Fig, 1, Vexillum ; fy. 2, Alae ; Jig. 3, Carina ; ^g. 4, Calyx, bractea, stamens, and pistil : — 

 magnified. Fig. 3, Fruit : — natural size. 



2. T. fabacea ; foliis petiolatis, foliolis lato-ovalibus, stipulis lato-ovatis obtusis petiolo 

 brevioribus, racemo alternifloro. — De Cand, frodr, v. 2. p, 99. — " Sophora fabacea. PalL 

 Astr, p. 122. t. 90. / 2,"— S. lupinoides, «. Linn. Amcm, v. ^. p. 250.? 



+ 



Hab. Kamtschatka. Pallas. Near the sources of the Rivers « Utalla " and " Wallawallah," in the 

 vallies of the Blue Mountains in North -West America. Douglas. — My specimen under this name from Mr. 

 Douglas, has the leaves thrice as large, and the peduncles thrice as long as in the preceding species. 



3. T, lanceolata ; " foliis subsessilibus infimis summlsque simplicibus stipulaefprmibus. 



