46 MONOTROPE^. [Ptjroia. 



mackf Miss Brenton)^ and Labrador (ZJr. Morrison)^ to the Height of Land on the Rocky Mountains (Vrvm- 

 mond)y and the shores of the Pacific, at the mouth of the Columbia {Douglas)^ and ObserTatory Inlet 

 {Dr. Scolder.) Bay of Eschscholtz. Chamisso. — /3. Woods of Portage River, near La Grande Cote. 

 Drurariiond. 



* * 



Stylus declinatus. Stamina adscendentia. 



4. P, chlorantha; foliis (parvis) rotunclatis subintegerrimis petiolo brevioribus upacis 

 subtus praecipue venosis, racemo paucifloro, calycis (parvi) laciniis ovatis, antheris poris tu- 

 bulosis, stylo dccnrvo snbflexuoso exserto annulato, disco laciniis 5 erectis. (Tab. CXXXI V.) 



Sir. Kongl Acad. HandL p. 190. t, 5. Nutt, Gen. Am. v, 1. p. 273. Rich in Fi^ankl. \st 

 Journ, ed. 2. App, p. 13. {excL syn. P. asarifoliee Mich.) Don. in Wern. Trans, v. 5. 

 p, 232. — P. convoluta. Banks, (fide Don,) — P. asarlfolia. Torrey^ Ft, of Un. St. v. 1. 

 p, 433. (exci. syn. Mich. Pursh et Gold.) 



Radix subrepens, (gracilis. Folia radicalia aut snbradicalia, orbicularia, rarius elliptica, petiolo duplo bre- 

 viora, coriacea, opaca, integerriraa vel obscure crenata, vix f unciam lono^a, supra obscure venosa, subtus 

 venis retlculatis magis conspicuis. Scapus spithamseus, nudus vel squama parva solitaria instructus, Ra- 

 cemus 5-6-florus. Flores undique versi majusculi. Calyx parvus. Petala subpatentia elliptica. AnthcrcB 

 poris tubulosis. Stylus declinatus subflexuosus, 



Hab. Lake Wicipeg {Douglas) to the Saskatchawan and the Rocky Mountains, thence to Bear Lake. 

 Drummond. Dr. Richardson. Newfoundland. Miss Brenton. Labrador. Dr. Morrison. — This is most 

 allied to P, rotundifolia ; but the leaves are smaller than their smallest state in that species, and singu- 

 larly opaque. The flowers are nearly the same in size, but the calyx is much smaller and more appressedj 

 the anthers have two tubular horns, at the top of which the pores are situated. The style is shorter and 

 less flexuose. It agrees in every respect with an original specimen from Swartz, and in America s-eems to 



-I 



be peculiarly abundant in the latitude of the Saskatchawan, from Hudson's Bay to the Mountains. The 

 P. chlorantha of Hook, in Parry*s 3d Voy. App., should be referred to P. rotundifolia '^. pvmila. 



Tab. CXXXIV. — Fig. 1. Flower; Jig. 2, Stamen xjig. 3, Back view of an Anther;^?^. 4, Pistil: — magnijitd. 



5. P. rotundifolia ; foliis subrotundis coriaceis nitidis reticulars petiolls brevioribus, scapo 

 bvacteato, racemo plurifloro, calycis foliolis elongatis membranaceis, antherae poris non tubu- 

 losisj stylo decurvo flexuoso exserto, stigmate annulato, disco laciniis 5 erecto. — Linn. 

 Engl BoL /. 213. Mich. Am. v. 1. jd. 251? Pursh, Fl. Am. v. ]. p. 299. Biyel FL Bost. 

 ed. 2./?, 173. Torrey^ Fl. of Un. St. v. \, p. 432. — (3, asarifolia; foliis majoribus reniformi- 

 rotundatis. — P. asarifolia. Mich. Am. v. 1. p. 251, Pursh, FL Am. v. \. p, 299. Goldie in 

 Ed, Phil, Journ, v. 6- p. 22G. Don, in JVern. Trans, v, 5. p. 230. — y. floribus purpureo- 

 roseis, — P. incarnata. Fisch. MSS. in Herh. nostr .—I . pumila ; minor, stylo breviore minus 

 flexuoso. — P. pumila. Horn, in Linncea^ i\ 1. p. 514. — P. Groenlandica. Horn. FL Dan. 

 t. 1817. 



Hab. «. /3, y. (which all appear to grow in the same situations) from Lake Huron {Dr. Todd) thruu^'h- 

 out Canada to Bear Lake {Dr. Richardson)^ and from Hudson's Bay to the Rocky Mountains. Drunimond. 

 North-West Coast, Douglas. Unalaschka and Kotzebue's Sound. Chamisso. — B. Labrador. Dr. Morrison. 

 Arctic Islands, Copt. Sir E. Parry. — Very numerous specimens of this plant in my Herbarium have satis- 

 ii«'d me that, in regard to foliage, this is a very variable species, and that none of them can \\ ith propriety be 



