34 



GENTIANE^. [Gentiana. 



s- 



7. A, quadrifolia ; cauleerectosimplicipaucifoliato, foliisovatis acuminatls ciliatis oppositis 

 subverticillatisque petiolatisj umbellis terminalibus solitariis v. gemiiiis laxis, coronge fbliolis 

 patentibus oblongis obtusis intus basin versus bidentatis cornu longioribus. Jacq, Obs. 2. 

 p, 23. Fursh, FL Am. v. 1. p. 183. Elliott, Carol v \. p. S\9. Torrey, Fl. v, 1. p. 283. 



Hab- Canada. T>r. Beck. 



* # 



Folia sparsa seu verticillata. 



8. A. tiiherosa; erecta ramosa pilosa, foliis alternis lanceolatis subsessilibus, umbellis 

 numerosis terminalibus laxis, coronas foliolis erectis lanceolatis intus bidentatis longitudine 

 cornu subulati stricti. — L. — Mich, Am, v, 1. p. 117. Fursh^ FL Am. v. I. p. 183. 

 Elliott, Carol, v. \.p. 325. Bot Reg. t 76. Torrey^ FL v. 1. p. 285. 



Hab, Lake Huron. Dr. Todd. — Readily distinguished by its alternate leaves and bright orange-col- 

 oured flowers. 



9. A. verticillata; erecta simplex gracilis, foliis sparsis verticillatisque linearibus, umbellis 

 terminalibus axillaribusque, columna breviuscula, coronse foliolis ovalibus cucullatis cornu 

 curvato brevioribus. — (Tab. CXLIV.) — L.— Mich. Am. v. I, p. 116. Pursh^FLAm.v.l. 

 />. 183. Elliott, Carol v, I. p. 324. Torrey, Fl v. \. p. 284. 



Hab. Abundant on the alluvial plains of the Red River, and banks of the Saskatchawan, near Carlton 

 House. Douglas. 



Tab. CXLIV. — Fi^. I, Flower; Jig. 2, Leaflet of the corona, with its horn: — magnified. 



Ord. LIX. GENTIANE-S:.* Juss. 



t 



Trib. I. SwERTiE.'E. Ivflorescentia r acemiformis. Sepala suhlibcra, memhrana scariosa 

 intracalycinajuncta. Antherce imwvtatm, riwa loculorum sursum dehiscente. Capsula co- 

 rolla marcescente plerumque cincta^ placentis L cum endocarpio valvules connatis [semina ex 

 ipsis valvulis oriunda,) L in sutiira valvularum spongiosis unilocularis^ I rarissime placenta 

 centrali hiloctdaris. Corolla ccereula, ochroleuca, I purpurascens, scspissime punctis con- 

 spersa. — Herbce, plermque zonam arciicam suharcticam, tractusque alpinos, paucce temper- 

 atas terras incolentes. 



\. GENTIANA. X. 



Fovece epipetate glanduliferse 0. Filamenta basi ^qualia. Stigmata terminalia, Cap- 

 sula unilocularis, placentis cum endocarj3io connatis. 



Sectio I. Cyane, Ren, — Coroll<B plica intermedia auctce, eglandulosce, lobi cum tuba con- 

 tinui. Stigmata distincta, revohita, Capsula stipitata. Testa scspius ala discolori cincta. 

 HerbfB perennes, 



• I am indebted to the kindness of Dr. Grisebach for the following account of the British North American Cen- 

 tianecBj which he has drawn up purposely for this work. 



