BORAGINACEAE (BORAGE FAMILi) 421 



open: sepals lance-Iinear: filaments broadly and spatulatjely dilated. — Range 

 of the species. , . < : 



4. Mertensia ciliata (Torr.) Don, Gen. Syst. 4: 322. 1838. Pale and gla,u- 

 eeseenti glabrous and smooth, very leafy, 3-12 dm. high: leaves ample, veiny; 

 cauline oblong or lanceolate-ovate, ciliate-margined, mostly acute, the upper 

 becoming acuminate; basal leaves ovate or subcordate, 6-10 cm. long, petioled: 

 short racemes panicled: corolla bright blue; the tube exceeding the Umb and 

 3-5 times as long as the ovate or oblong-obtuse, ciliate calyx-lobes: filaii^ents 

 as broad as the anthers, inserted in the throat: styl^ long a,pd, capillary, M. 

 sibirica Don. {M. pida Rydb. 1. c. 638.) — ^Throughput, our range. , , , 



4a. Mertensia ciliata polyphylla (Greene) A. Nels. Stem stript, . closely 

 and equably leafy. M. polyphylla Gresene, Pitt. 4: 87, 1899.-^olorado. 



4&. Mertensia ciliata punctata (Greene) A. Nels. Foliage green, nearly 

 devoid of bloom, the leaves and pedicels roughened-puncticulate. M. punc- 

 tata Greene, Fitt. i: 88, 1899.— Colorado. 



4r. Mertensia ciliata longipedunculata A. Kels, Bull. Torr. Bot. Club 

 29: 402. 1902, Size of the species; stems more freely branched.; , stem and 

 branches few-leaved, terminatmg in long naked peduncles; cajyx-lpbes ovate, 

 subacute, — Eastern Wyoming and southward, 



5. Mertensia cynoglossoides Greene, PI. Baker. 3: 19. 1901. Stents de- 

 pressed, 3-5 dm. long: leaves large, glabrous below, sparsely papiMose- 

 scabrous .above, ciliate-scabrous on the margins; basal leayes oblong, obtuse, 

 6-10 cm. long, petioled; cauline ovate to lanceolate, subacute: racemes few, 

 sparse,, often long-peduncled: sepals small, lanceolate or broader, obtusish, 

 hispid-ciliolate as are also the pedicels: corolla-tube broad, as long as the limb, 

 3-4 timqs as long as the calyx. M. murio/daiq. Greene, 1. c. — Western Colorado. 



6. Mertensia brevistyla Wats. Bot. King's Expd. 239. 1871. Low, 1-2 dm. 

 high, piiibescent with short, appressed, rigid hairs, the lower surface of the leayes 

 excepted: leayes oblong or oblong-lanceolate, very obtu§e; flowers iji a loose 

 panicle: calyx deeply 5-clrft or 6-parted, very hirsute; lobes oblong or ovate- 

 lanceolate, usually acute: coroljd-tube short, equaling or but little exci^^ding 

 the calyx, and rarely as long as the deep. blue limb: anthers ii;ise!rted near the 

 base of the tube, and included within it: style very ^hprtiTT-Western cejpLjtra,l 

 Rocky Mountains, 



6a. Mertensia brevistyla obtusiloba (Rydb.) A, Nels, Calyx-lobes obtuse, 

 noticeably shorter than the corolla,Ttube, merely ciliate on the margips. M. 

 obtusiloba Rydb. Bull, Torr. Bot. Club 28: 32. lOOL— Southern Cdloradp, 



7. Mertensia papillosa Greene, Pitt. 3: 361, 1898. Sparingly leafy, 1-3 |dm. 

 high: leaves oblong, revolutej densely papillose above, the low papillae bear- 

 ing a minute, short, setose hair at summit; lower face of leaf smooth, and. gla- 

 brous, margin .scabrous: dowers panicled: fruiting calyx short and campan- 

 ulate, cleft to the middle, the lobes triangular, their margins pubescent, each 

 lobe traversed by a strong carinate midnerve: corolla small and alpaosl, tu- 

 bular, the narrow limb with its shallow lobes, apparently erect. — Mountains 

 of Colorado, • ' .]. , 



7a. Mertensia papillosa fusifoimis (Greene) A. Nels. Root Isi,rgei and 

 fusiform: calyx parted to the base, the segments crinite-hirsute: corolla; more 

 campanulate, M. fusiformis Greene, Pitt. 4: 89. 1899; M. congesta Greene, 

 PI. Baker. 2: 17. 1901.— Southern Colorado. 



7b. Mertensia papillosa lineariloba (Rydb.) A. Nels. Smaller, the stem 

 leaves nearly linear, very closely shprt-strigose above: pedicels strigose: 

 calyx-lobes narrow, merely hispia-«iliate on the margins. M. lineariloba 

 Rydb.'BuU. Torr. Bot. Club 29: 32. 19Q1.— Mountains of Colorado. 



8. Mertensia ovata Rydb. Bull. Torr. Bot. Club 28: 32. iQCll. The low 

 stems numerous and tufted, 1-2 dm. high: leaves minutely strigose above, 

 broadly ovate, 20-25 mm. long, all but the lowest sessile: flowers. crowded, on 

 short pedicels: sepals ciliate, shorter than the eorolla-tube; corplla ,10-12 mm. 

 long, the tube longer than the hmb and throat: stamens nearly as' long as the 

 corolla, the laments broader than the anthers. (,M. Parryi R,ydb. 1. c, 34; 

 639.) — Nearly alpine, among rocks; Colorado. 



