lappula BORAGINACE.E 479 



tube of the blue corolla longer than the lanceolate lobes of the calyx and 

 twice or thrice as long as its own roundish lobes : style wholly filiform : 

 nutlets almost globular, 4 lines long. In the mountains of southern Ore- 

 gon and northern California. 



5 LAPPULA Moench Meth. 416 



ECHINOSPERMUM Sw, Lehm. 



Pubescent or hispid herbs with narrow and entire alternate 

 leaves and blue or white flowers in terminal racemes. Calyx 5- 

 parted, persistent, spreading or reflexed in fruit. Corolla short- 

 salverform and with conspicuous arching crests in the throat. 

 Filaments short. Style short, with minute capitate stigma, 

 nutlets laterally attached to a more or less elevated gynobase, 

 armed either along a distinct margin or more or less over the 

 whole back with glochidiate prickles, forming burs. 



L. floribunda Greene Pitt, ii, 182. Echinospermum floribundum Lehm. 

 Herbage soft-pubescent or the stem soft-hirsute: stems rather strict, 2-5 

 feet high, from a biennial or perennial root: leaves from oblong to linear, 

 2-4 inches long, sessile or the lower tapering into margined petioles ; ra- 

 cemes numerous, erect or nearly so, densely flowered: pedicels mostly 

 shorter than the fruit, at length reflexed : corolla short-funnelform, blue or 

 white, the limb 3-5 lines in diameter: nutlets keeled, papillose-tuberculate 

 on the back, the margins armed with a single row of flat subulate prickles. 

 Eastern Washington to Brit. Columbia Minnesota and Ontario. 



L. diffusa Greene Pitt, ii, 182 Echinospermum diffusum Lehm. Soft- 

 pubescent or at most soft-hirsute : stems erect, 1-3 feet high, from a per- 

 ennial root: leaves usually lanceolate, the lower ones tapering below to a 

 margined petiole, the upper sessile and passing into small bracts: racemes 

 panicled, erect or merely spreading: pedicels lorjger than the fruit : corolla 

 from blue to nearly white or pinkish, rotate, its tube shorter than the calyx 

 and the lobes, the limb 4-6 lines in diameter : dorsal disk of the nutlets 

 triangular-ovate, obscurely caiinate, rough-tuberculate, and with a few 

 short glochidiate prickles, the marginal prickles flat-subulate, as long as 

 the width of the disk. Rocky places and base of cliffs, Brit. Columbia to 

 California and Utah. 



L. hispida Greene 1. c. Echinospermum hispidum Gray. Hispid with 

 spreading papillose-based hairs: stems usually erect, 1-3 feet high, from 

 a perennial root : leaves lanceolate, 3-5 inches long, the lowest long-petioled, 

 the upper sessile and gradually reduced upward to bracts ; racemes lax, 10- 

 15-flowered: corolla rotate, greenish white 2-3 lines in diameter: marginal 

 prickles of the obcompressed nutlets small and narrow, much shorter than 

 the width of the oval or ovate and either sparsely or copiously^ glochidiate 

 dorsal disk, their bases confluent into a thin margin or distinct wing which 

 is sometimes reflexed or cup-shaped ; inner face smooth and lucid, with 

 scar almost central. Rocky hillsides, eastern Oregon to Idaho. 



L. ciliata Greene I. c. Cynoglossum ciliatum Dougl. Cinereous with 

 a much appressed pubescence, and bristly-hirsute, especially along the 

 margins of the linear or lanceolate leaves : stem strict, a foot or more high : 

 corolla rather large, blue or violet : fruit unknown. Banks of the Spokane 

 river Washington to Idaho. 



L. myosotis Moench Meth. 417. Hispid or appressed-pubescent: stem 

 leafy, branching, 1-2 feet high, from an annual root : leaves linear to ob- 

 long or spatulate, sessile or the lower ones narrowed into petioles, erect or 

 ascending, obtuse or obtusieh at the apex, 9-18 lines long: racemes leafy. 



