262 BORRAGINACE^, (BORAGE FAMILY.) 



oblong-ovate, somewhat rugose-tuberculate on the back. — Loc. cit. 279 — 

 Eritrichium g/omemtum, var, humi/e. Gray. Alpine and subalpine, from Colo- 

 rado and Utah to Montana and Oregon. 



+- +- Tube of the salverform corolla longer than the calijx and 2 or 3 times the 

 length of the lobes : tie ring inconspicuous, its glands indistinct : silky-canes- 

 cent, and with contracted thijrsoid inflorescence. 



11. K. fulvocanescens, Gray. A span or so high, cespitose: leaves 

 linear-spatulate or oblanceolate, silky-strigose or even tomentose ; the lower 

 with bright white and soft hairs ; the upper and the thyrsoid glomerate in- 

 florescence and calyx with fulvous-yellow more hirsute hairs and some hispid 

 bristles: nutlets ovate, more or less papillose or tubercuiate rugose on the 

 back. — Loc. cit. 280. Eritrichium fulvocanescens. Gray. Mountains of Texas 

 and New Mexico to those of Nevada and Wyoming. 



6. MERTENSIA, Roth. Lungwort. 



Either glabrous or with some pubescence : the leaves usually broad, and 

 the lowermost petioled : the flowers usually showy, blue, purple, or rarely 

 white, paniculate-racemose or cymose. — In our species the corolla has a con- 

 spicuously 5-lobed limb, with small crests in the throat. 



* Filaments enlarged, as broad as the anthers, always inserted in the throat of the 



corolla : style long and capillary, generally someivhat exserted. 



••- Tube of the corolla twice or thrice the length of the limb and of the calyx. 



1. M. Oblongifolia, Don. A span or so high, smooth or nearly so: 

 leaves mostly oblong or spatulate-lanceolate, rather succulent : flowers in a 

 somewhat close cluster : lobes of the calyx lanceolate or linear, mostly acute. 

 — From British Columbia southward, through the mountains of Montana to 

 Utah and Arizona. 



-I- •»- Tube of the corolla little or not twice longer than the throat and limb. 



2. M. Sibirica, Don. Stems tall, I to 5 feet high ; pale and glaucescent, 

 glabrous and smooth or nearly so, very leafy : leaves ample, veiny ; cauline 

 leaves oblong- or lanceolate-ovate, hirsute-ciliate ; the xipper with very acute or 

 acum'nate apex,- the lowest ovate or subcordate (3 or 4 inches long): short 

 racemes panicled : calyx-lobes oblong or oblong-linear, obtuse, commonly ciliolate, 

 I or ^ the length of the tube of the bright light-blue corolla. — From the moun- 

 tains of Colorado westward to the Sierra Nevada, and far northward. 



3. M. paniculata, Don. Greener, roughish and more or (ess pubescent: 

 size and leaves about as in the last : racemes loosely panicled : calyx-lobes 

 lanceolate or linear and mostly acute, hispid-ciliate or hirsute, equalling or only 

 I shorter than the tube of the purple-blue corolla. — From Nevada and Utah to 

 Hudson Bay and northward. 



4. M. lance Dlata, DC. Either glabrous or hirsute-pubescent, simple or 

 paniculately branched : stems a span to a foot high : leaves pale or glaucescent, 

 from spatulate-oblong to lanceolate-linear, \ or 2 inches long, obtuse or barely acute: 

 racemes at length loosely panicled : calyx-lobes lanceolate, acute or obtuse, 

 ciliate or hirsute or glabrous, more or less shorter than the tube of the blue 



