256 PROCEEDINGS OF THE AMERICAN ACADEMY 



b. Brachyphyllce : calyx sinubus scariosis vix replicatis subteres. 



23. P. adsurgens, Torr. in herb. Praeter inflorescentiam glabra ; 

 caulibus diffusis adscendentibus gracilibus (subpedalibus) ; foliis ovatis 

 seu ovato-lanceolatis acutis semipollicaribus plerumque internodiis mul- 

 to brevioribus ; pedunculis subcymosis calyceque glanduloso-pubescen- 

 tibus ; corolla? tubo calyce subduplo longiore, lobis obovatis integris ; 

 ovarii loculis uniovulatis. — " Canon Pass, Oregon," Prof. A. Wood. — 

 Tube of the corolla nearly an inch, its lobes five lines, long. Style 

 exserted. — Peculiar as this appears, some of the short-leaved forms 

 referred to the preceding species make an approach to it. 



-l— -h- Brevistylce, nempe stylo quam stigmata ovariumque vulgo 

 breviore. Calyx membranulis intercostalibus baud replicatis 

 cjlindraceus, lobis subulatis. 



24. P. speciosa, Pursh. Subviscoso-puberula vel glabrata, 1-4- 

 pedalis ; ramis e basi lignosa decumbente adsurgentibus ; foliis lanceo- 

 latis seu linearibus (sesqui-bipollicaribus), supremis basi plerumque 

 dilatatis ; floribus corymbosis ; corollas rosea? seu alba? tubo calycem 

 parum superante, lobis obcordatis ; ovulis in loculis solitariis. Pursh ! 

 Fl. 1, p. 149. P. speciosa, var. latifolia, Hook. Kevv Jour. 3, 

 p. 289. P. occidentalis, Durand in Pacif. R. P. 4, p. 125, forma 

 latifolia. — Interior plain of the Columbia, Washington Territory, to the 

 foot hills of the Sierra Nevada, California. — Determined from an 

 original specimen of herb. Lamb., now of herb. Kew, collected on the 

 " Plains of the Columbia, about 4 feet high, May 7, 1806," Lewis and 

 Clarke: although injured, the obcordate lobes of the corolla are con- 

 spicuous. Corolla in the larger specimens an inch or even more in 

 diameter. 



Var. Sabini : corolla? lobis obovatis basi cuneatis integerrimis vel 

 retusis. — P. speciosa, var. elatior, Hook. Fl. 1. c. P. Sabini, Dougl. 

 in Hook. & Benth. 1. c. — Spokan River, Washington Territory. 



Var. Woodhousii: nana; foliis linearibus basi nee dilatatis; flori- 

 bus dimidio minoribus ; corolla? lobis cuneatis obcordatis. — P. Wood- 

 housii, Torr. ined. P. nana, Torr. Sitgreaves Rep. p. 165, non 

 Nutt. — Arizona (lat. 35°, long. 112° 20'), Woodhouse in Sitgreaves 

 Exped. 



25. P. nana, Nutt. PI. Gamb. 1. c. Glanduloso-pubescens vel hir- 

 tella, nunc glabrata, e basi frutescente patenti-ramosa, spithama?a ad 

 pedalem ; foliis linearibus, ramealibus sa?pe alteruis ; floribus sparsis ; 



