Orobanche.] OROBANCHEiE. 



91 



cannot find the description of any species which corresponds with this. It is remarkable for the great size 

 and white colour of its flowers, which are nearly an inch broad. The whole plant is exceedingly viscid. 

 A bad specimen, apparently of the same species, is found by Mr. Sheppard at Port au persil, below Mur- 

 ray Bay, Canada, and sent to me as P. lanceolata, from which, however, I consider it perfectly distinct. 



a NICOTIANA. £. 



CaL tubulosus, 5-fidus. Cor, infundibuliformis v. hypocraterifonnis, limbo 5-fido. 

 Stigma capitatum. Caps, bilocularis apice 4-fariam dehiscens. — Herbse v. suffrutices, 

 Flores terminales^ racemosL Br, 



1. N, nana; 2-3-uncialis, foliis lanceolatis pilosis, radicalibus quam flores solitarii lon- 

 gioribus, corolla calyce longiore, laciniis obtusis. — Lindl, in BoL Reg. t 833. 



Hab. N.W. America. A. Menzies, Esq. {Herb, nostr.) Rocky Mountains. PT. Bird, Esq.— A singu- 

 larly dwarf and almost stemless species, originally discovered by the excellent Menzies, 



2. N. guadrivalvis ; annua, caule hiimili erecto diffuse ramoso, foliis lanceolatis brevius- 

 culisacutis sessilibus nunc basi auriculatis, calycibus campanulatis tubo coroUse paululum bre- 

 vioribus subinflatis clausis segnientis acuminatis, corollse limbo patente planiusculo segmen- 

 tis acutis, capsula globosa 4-valvis, NutL — Ph* Am. v. 1./?. 141. Nutt, Gen. v. \. p. 132. 



Hab. Mr. Nuttall was informed that it grew spontaneously on the banks of the Columbia, but probably 

 the following species was there taken for it, if, indeed, the two be really distinct. Pursh gives the present 

 as an inhabitant of the Missouri, and of the Mandan and Ricara Rivers, on the authority of Lewis* Herba- 

 rium. The foliage yields an excellent tobacco, but the most delicate kind is prepared by the Indians from 

 the di'ied flowers, (Ph.) 



3. N. muUivalvis; herbacea viscido-pilosa, foliis lanceolatis inferioribus petiolatis, flori- 

 bus axillaribus solitariis, calyce multipartitOj capsula multiloculari, corollae laciniis obtusis 

 alte venosis. — LindL BoL Reg. t. 1057. 



Hab, Abundant within the recesses of the Rocky Mountains, and westward to the Pacific Ocean, in 

 all dry light soils, Douglas, who further observes that it is greatly esteemed by the different tribes for 

 smoking, and is the only vegetable which the natives of the Columbia cultivate. 



[Obs. I have received the Hyoscyamus niger from Canada, sent by Mrs. Percival. It is doubtless an 

 imported plant.] 



Ord. LXVL OROBANCHE-E. Juss. 



1. OROBANCHE. L, 



CaL bracteatus, varius. Cor. ringens; labium sup. integrum v. bilobum: inf. trifidum, 

 laciniis subsequalibus. Stamina basi planiuscula: Antherm biloculares. Stigma ssepissime 

 bilobum. Caps, unilocularis, bivalvis, placentifera, placentis 2 v, 4. Semina numerosa 

 rugosa. — Plantae aphyllce plerumque parasiticm. 



* Calyx cyathijbrmisy S^-dentatus. Antkerce basi obtuscejacie anteriori dehiscentes. Pla- 

 centcB 2. — Boschnajakia. Bunge, 



1. O. glabra; glaberrima, caule squamato basi incrassato reticulato, squamis cordatis 



