47^) CONTKIBUTIONS FROM THE NATIONAL HEEBARTUM. 



CYNOGLOSSUM. 



1. Cynoglossum grande Dougl.; Lehm. Pug. 2: 25. 1830. 

 Type locality: "Shad}' Woods, N. W. Coast." Collected b}- Douglas. 

 Range: Washington to California in the coast region. 

 Specimens examined: West Klickitat County, S^/^s'io// 92; Fort Vancouver, ToZmie. 



ASPERXJGO. 



1. Asperugo procumbens L. Sp. PI. 1: 13S. 1753. 

 T\pe locality; European. 

 Specimens examined: Spokane, Pi'/^f/- 2721. 



MERTENSIA. 



Plants tall and leafy, .50 to 100 cm. high, the leaves tliin and 

 broad. 



Leaves glabrous on both sides or merely papillose al)ove; 

 calyx smooth on the back. 

 Calyx lobes elongate, acute, much longer than the fniit. 

 Leaves few, green, oblong-lanceolate, obtuse or 



acutish 1 . M. infirma. 



Leaves many, pallid, ovate, acuminate 2. M. laevigata. 



Calyx lobes short and obtu.se, or triangular and acute, 

 not longer than the fruit. 



Leaves acute, mostly sessile; calyx lobes obtuse. . . 3. M. ambigva. 

 Leaves acuminate, short-petioled; cah'x lobes acute. 4. M. hrachgcalyx. 

 Leaves pilose beneath. 



Upper leaf surface strigose. 



Cah' X lobes canescent 5. M. memhranacea. 



Calyx lobes not canescent. 



Dorsal surface of calyx lobes glabrous 6. J/, jiamculata. 



Dorsal surface of calyx lobes pubescent 7. M. plafyphyUa. 



Upper leaf surface smooth or merely papillose. 



Calyx lobes pubescent on back 8. M. svhcordata. 



Caly.x lobes gla])rous on back 9. M. leptophylla. 



Plants low, 15 to 40 cm. high, the leaves narrow or tliickish. 

 Roots tuberous or fasciculate-tuberous, shallow-seated; 

 basal leaves, none. 



Leaves glabrous or merely papillose above. 



Herbage not glaucous 10. M. jmldieUa. 



Herbage glaucous 10a. M. pulcheUa glauea. 



Leaves strigose above. 



Corolla tube 3 or 4 times as long as the limb 11. M. nhlongifolia. 



Corolla tube once or twice as long as the limb . 12. M. horneri. 



Roots not tuberous, vertical; basal leaves numerous, their 

 dry bases persistent on the crown. 



Leaves pubescent on both sides 13. M. qmhescens. 



Leaves not pubescent on both sides. 



Leaves glabrous on both sides 14. M. nutans. 



Leaves strigillose above 14a. M. nutans suhcalva. 



1. Mertensia infirina sp. nov. 



Glabrous throughout except the ciliate margins of the leaves and calyx lobes; stems 

 weak, erect or nearly so, 50 to 60 cm. high; basal and lower cauline leaves oblanceolate, 



