210 ONAGRARIJE. [CEnothera, 



Carol. V. 1. p. 441. Torrey, Fl, of Un, St. v. 1. /?. 388. FL Dan. i. 1752. Be Cand. Prodr, 

 V. 3. p. 47. 



Hab. Throughout Canada, from Lake Huron {Dr. Todd) to north lat. 5(S°. Dr. Richardson, Drum- 

 mond. Shores of the Columhia and Nutka, North-West America. Douglas, Dr. Scolder. (S. Saskatchawan, 

 (e sem. in Hort. 7iost/\ cult.) Drummoiid. Straits of de Fuca. Dr. Scouler. 



2. (E. albicauUs ; caule erecto superne ramoso albido glaberrimo, foliis lineari-lanceolatis 

 subintegerrimis subtus pubescentibus, petalis rotundatis integris (?) stamina aequantibus, cap- 

 sulis prismatico-cylindricis truncatis. — Fraser^ Cat. 1813. Nutt. Gen. v. 1. p. 245. 



Cmdis erectus, superne ramosus, 2-3 pedalis, albidns, nitidus, glaberrimus, ramis longis patentibus. Folia 



sessiHa, lineari-sublauceolata, acuta, integerrisaa xel suhremote denticulata, supra glabra subtus pubescentia, 



caulina 2-3 poU. longa. Flures axiUares sessiles. Calycis tubus apice dilatatus lacinias puberulas paullo 



superans. Petala alba, rotundata, integra (?) calycis laciuiis breviora. Stamina aequalia. ^HMcrtslineares. 



Capsula obtuse tetragono-cylindrica, truncata, subglabra, 



Hab. Banks of the Saskatchawan. Drummond. — The aboTe plant must not be confounded with (E. 

 albicauUs, (Pursh, FL Am. v. 2. p, 733, De Cand. Prodr. v. 3. p. 51, the (E. pinnatifida, Nutt. and Spreng. 

 Syst. Veget.,) which belongs to another section, and has, according to the description, no resemblance at all 

 with the (E. albicauUs, Nutt. 



3. (E. pallida ; radice repeiite, caulibus adscendentibus ramosis foliisque lineari-lanceo- 

 latis acuminatis integerrimis s. dentatis glabris, petalis retusis crenulatis stamina superanti- 

 bus, capsulis cylindricis contortis. — LindL Bat. Reg. t. 1142. 



Radix repens. CauUs adscendens, 1-1 J pedalis, glaber, pallide rirens, superne ramosus; ramis patenti- 

 bus. Folia liueari-lanceolata, aciuuinata, plerumque remote serrata, rarius integerrima aut (e cl. LindJ. I. c.) 

 pinnatiiida. Flares in superiorum foliorum axillis sessiles, nocte odoratissimi. Calycis tubus coloratus, 

 laciniis et petalis subsequalibus. Petala alba ungue flavo mox rubescentia, retiisa, crenulata, stamina super- 



antia, pistillum Eeq^uantia. Stamina aequalia. Stigma lufeo-virens. Capsula cylindrica, curvata, contorta. 



« \ / 



Hab. Common over all the dry sandy soil to the west of the Kocky Mountains. Douglas. 



§, 2. — Calycis tubus abbreviatus infundihuliformis s. ohconicus, laciniis et petalis brevior. 



Stigmatis lacinice lineares^ oblongce, 



a. Floribtis luteis^ antheris adnatis, 



4. (E. leucocarpa ; caule ramoso, foliis rigidis serrulatis inferioribus spathulato-lanceolatis 

 superioribus lanceolatis junioribus subsericeis, petalis laeviter emarginatis apice crenulatis 

 calycis tubum dimidio genitalia duplo superantibus, capsulis cylindricis incano-sericeis. — 

 Comien, MSS. 



Planta spithamaea, habitu foliis floribusque Helianthemum simulans, partibus junioribus subsericeis. Caulis 

 basi ramosus, ramis adscendentibus suupUcibus vel ramosis. Folia rigida, glabriuscula, inferiora spathu- 

 lato-lanceolata, superiora lanceolata, omnia serrulata, basi attenuata, obtusa aut acuta, plerumque mucronulata. 

 Calycis tubus infiiudibuliformis, lacinias paullo superans. Petala late obovata, laeviter emarginata, apice 

 (xenulata, calycis tubxun dimidio, genitalia longiora fere duplo, superantia. Stamina inaequalia, quatuor petalis 

 opposita ceteris breviora. AnthercB oblongw, aduatse. Stigma quadrilobum, luteum, lobis ovatis. Capsula 

 cylindrica, albido-sericea, truncata. 



Hab. Dry banks of the Saskatchawan. Drummond. Common upon limestone rocks on the Red and 

 AssinabojTie Kivers. Douglas. 



