350 PROCEEDINGS OF THE AMERICAN ACADEMY 



two lateral lobes : fruit oblong-ovate to depressed-globose, 4 or 5 lines 

 long. — Fl. Bor.-Am. 1, 295. R. ruhifoUa, Ait. f. Ilort. Kew. 2 ed. 

 3. 2G0; Redout. Ros. 3. 71, t. 152; Lindl. Ros. Monogr. 123, t, 15. 

 R.fenestrata, Donu. R. mutalilis, Bradbury. 



Hab. From Ontario and Wisconsin to Northern Texas, and eastward to S. 

 Carolina and Florida. — Oiiio {Sliort, Sultivant, II. P. Smith]; Illinois {Mead, 

 Buckley, E(jrjert, Ilali) ; Kentucky {Short, Peter) ; Missouri {Duhlwin, Beck, Broad- 

 head, Lindheimer, Engel mann) ; Arkansas {Bigeloio, Ilarveji); Indian Territory 

 {Butler, Palmer) ; Northern Texas {Reverchon) ; Louisiana {Carpenter) ; Alabama, 

 Hale County ( Watson), Mobile {Muhr) ; Georgia {Chapman) ; S. Carolina {Bach- 

 man). It is credited also to Ontario by Macoun, to Michigan by Torrcy & Gray, 

 Austin, Palmer, Wheeler, and Coleman, to Wisconsin by Gray, to Nebraska by 

 Augliey, and to Florida by Chapman, but I have seen no specimens. 



Extensively cultivated as Miciiigan or Prairie Hose, Baltimore Belle, Queen 

 of the Prairie, etc. Tiie more tomentose form is tlie var. tomentusa, Torr. & Gray 

 (R. riibi/olia, Ait. f.). Tlie flowers are often very numerous, in compound 

 corymbs, the petals varying from 6 to 15 lines in lengtli. The teeth of the 

 leaflets liave occasionally a gland-tipped toothlet. 



C. — Styles few, distinct, dt^ciduous with the entire calyx from the very con- 

 tracted top of the naked fruit. Sepals short, entire. 



18. R. GYMXoc.ARPA, Nutt. Stem slender and rather weak, 2 to 

 10 feet high, with straight slender infrastipular and scattered spines, 

 and more or less densely prickly, or nearly naked : stipules usually 

 narrow, glandular ciliate ; leaflets 5 to 9 (usually 7), from round- 

 elliptic and obtuse to narrowly oblong and acute, glabrous (rarely 

 somewhat tomentose or resinous), doubly glandular-toothed, sessile or 

 nearly so, usually small ; rhachis more or less prickly and hispid : 

 flowers solitary or few, on hispid or sometimes glabrous pedicels; 

 sepals rarely hispid, usually 3 or 4 (rarely C) lines long: fruit oblong- 

 obovate (3 to 6 lines long) to globose (3 or 4 lines broad), few-seeded. 

 — Torr. & Gray, Fl. 1. 461 ; Torr. Bot. IMex. Bound, t. 24. R. spitha- 

 mcea, var. subinermis, Engelm. in Coult. Bot. Gaz. 6. 23G. 



Hab. From British Columbia to Monterey and the Yosemite, and in the 

 mountains of Northern Idalio and northwestern Montana. — British Columbia, 

 on Fraser River {[jijaU, Enrjehnann, ^farolln), and Vancouver Island {Enrjelmnnn, 

 Meehan); Washington Territory (Pickering, Brandegpe),&X Seattle {Engelmann), 

 Falcon Valley {Suksdoif), and Fort Colville ( Watson) ; Western Oregon {Doug- 

 las, Nultall, Pickering, Hall, Engclmann, Sargent, Howell); California (Bigelow, 

 94 Bridges, 225 Kellogg ^' Harford, G. R. Vasey, Engclmann, Mrs. A. E. Bush), at 

 Yreka {Greene), Upper Sacramento {Hooker ^ Gray), Mendocino County and 

 Oakland (/Jo/anJpr), Napa Valley (7onP2/), mountains above Chico {Mrs. Bid- 

 well), Emigrant Gap {.Jones), Silver Mountain (Brewer), at Sisson's (Gray), 

 Monterey (Parry); Northern Idaho, at Coeur d'Alene Lake and in the Bitter- 

 Poot Mountains ( Watson) ; Northwestern Montana, at head of Bitter-Pont Piver 

 (Watson), Flatliead Lake (Sargent). It is said in the Botany of the Mexican 



