22 



BORAGINACEAE— SCROPHULARIACEAE 



I. Nutlets armed with barbed prickles 



II. Nutlets not armed 



1. Corolla tubular, lobes erect 



2. Corolla funnel form, lobes spreading 



a. Flowers yellow or white 



b. Flowers blue-purple 



3. Corolla salverform 



a. Flowers blue 



b. Flowers red-purple 



Lappula — Stickseed 



(L. lappula, a little bur) 

 Leaves entire, rough-hairy; flowers blue 



Onosmodium — Gromwell 



(Gr. onosma, a borage) 

 Stem bristly; leaves entire, rough; flowers yellowish white 



Lithospermum — Puccoon 



(Gr. lithos, stone, sperma, seed) 

 PL 8, fig. F: 1, 2 



1. Flowers bright yellow or orange 



a. Corolla lobes entire 



(1) Rough-hairy, corolla tube bearded at base within 



(2) Smooth-hairy, corolla tube not bearded 



b. Corolla tubes toothed or fringed 



2. Flowers white or yellowish 



a. Flowers white; leaves lanceolate 



b. Flowers yellowish ; leaves ovate 



Mertensia — Lungwort 



(Named for Mertens, a German botanist) 

 PI. 8, fig. G 

 Leaves thin, ovate ; flowers blue-purple 



Myosotis — Forget-me-not 



(Gr. mys, mouse, otis, ear, from the hairy leaves) 

 PI. 8, fig. H 



1. Flowers 2-3 mm. wide 



2. Flowers 6-8 mm. wide 



Cynoglossum- 



(Gr. kynos, dog, 

 Leaves spatulate to lance-oblong, downy 



Lappula 



Onosmodium 



Lithospermum 

 Mertensia 



Myosotis 

 Cynoglossum 



L. lappula 



0. molle 



-Hound's Tongue 



glossa, tongue) 



L. gmclini 

 L. canescens 

 L. angustifolium 



L. arvense 

 L. latifolium 



M. paniculdta 



M. arvensis 

 M. palustris 



C. officinale 



Scrophulariales Snapdragon Order 



Scrophulariaceae — Snapdragon Family 

 Mostly herbs with simple leaves; sepals 5, petals 5, stamens 2-5, ovary 2-celled; flower syncar- 

 pous, sympetalous, hypogynous, mostly irregular, i. e., 2-lipped. 



I. Leaves deeply cut ; flower hooded Pcdicularis 



II. Leaves entire or toothed 



1. Corolla 2-4-lobed 



a. Corolla usually 2-lobed, flowers in a dense spike Synihyris 



b. Corolla 4-lobed, flowers in racemes Veronica 



2. Corolla 5-lobed, 2-lipped 



a. Flowers with large red or yellowish bracts Castilleia 



b. Flowers without colored bracts 



(1) Corolla inflated, flower small, yellowish brown Scrophularia 



(2) Corolla tubular, flower white, purple or yellow, conspicuous 



(a) Fifth stamen present as a sterile filament Pcntstemon 



(b) Fifth stamen entirely lacking 



x. Corolla closed, spurred Linaria 



y. Corolla open, not spurred Digitalis 



