FIGWORT FAMILY 763 



2-lipped; lobes 5, unequal, rotately spreading: tube slightly gibbous above. Sta- 

 mens 4, soon ascending, not inclosed; staminodium rudimentan.-. Capsxile ovoid, 

 2-valved. Seeds 1—4 in each cell, oval. 



1. T. floribunda A. Gray. Annual; stem 2-.5 dm. high, glabrous; stem- 

 leaves mostly .3-5-foliolate, \\'ith linear or oblong leaflets, 1-5 cm. long; floral 

 leaves verticillate; corolla blue or purple; lobes broadly obovate. Banks and 

 basaltic rocks: Ida. — Wash. — Ore. Son. Ap.-]\ly. 



6. SCROPHULARIA (Toum.) L. Figwort. 



Perennial, caulescent herbs. Leaves opposite, usually petioled, with broad, 

 toothed or incised blades. Flowers perfect, in terminal, paniculate c^Tnes. 

 Cah-x -with .5 short broad lobes. CoroUa 2-Upped, purple, yellowish, or green; 

 tube usually short; upper hp erect; lower hp ■n'ith a spreading or refle.xed middle 

 lobe. Stamens 4, short; stamiuodimn scale-like, in ours spatulate. Styles 

 imited. Capsule ovoid, 2-valved. Seeds numerous, marginless, rugose. 



Leaves simplj- serrate, none lobed at the base; corolla-tube barelj- twice as long as the 

 calj-x. " 1. 5. serraia. 



Leaves incised or doubly serrate ■with sharp t«eth, the lower inclined to be iacised-lobed 

 at the base; corolla-tube more than twice as long as the calyx. 2. S. occidentalis. 



1. S. serrata Rydb. Stem 1-2 m. high, angled, spariagly puberulent or 

 glabrous, slighth- glandular in the inflorescence; leaf-blades ovate or cordate, 

 5-15 cm. long; coroUa-tube short, 6-7 mm. long; upp>er lip 4-5 mm. long; sterile 

 stamen obovate-spatulate, purple. Wet places: Ida. Submont. Jl. 



2. S. occidentalis fRydb.) Bickn. Stem 1-2 m. high, more or less puberu- 

 lent, or glabrate below, glandular in the inflorescence; leaves ovate; corolla lurid- 

 greenish; tube gibbous below, 5 nun. long; upper hp about 3 mm. long; sterile 

 stamen greenish yellow, ver^- broad, iddney-shaped, on a distinct claw; capsiile 

 ovoid. 8-10 mm. long. Low groimd in thickets and woods: X.D. — Okla. — X.M. 

 — Calif. — Wash. Si(b?nont. — Mont. 



7. PENTSTEMON ..MitcheU) Schmidel. Beard-toxgce, :Matflower, 



Prede-of-the-moxjxtain. 



Perennial, caulescent herbs. Leaves opposite, from petioled to sessile and 

 clasping, entire or toothed, or rarely pinnatifid. Flowers irregular, in terminal 

 racemes or panicles. Cah'x deeply 5-cleft. CoroUa 2-lipped, elongate, open; 

 the tube often somewhat ventricose above, but not gibbous at the base; upper 

 lip mostly erect, with 2 spreading lobes. Stamens 4: filaments nearly equal; 

 staminodimn well developed, spatulate, usually bearded. Styles united; stigma 

 capitate. Capsule usually ovoid, 2-valved. Seeds numerous, wingless. Anther- 

 ceUs either united or confluent. 



Corolla blue, purple, white, or yeUowish, more or less funnelform. or salverform. 

 Anthers bearded. 



Plants suffrutescent ; leaves leathery; anthers densely villous: sterile stamens 



usually glabrous. I. FBUncosi. 



Plants not fruticose: leaves not leathery. 



Plant more or less glandular at least in the rather few-flowered inflorescence; 



anthers densely villoiis; sterile stamen glabroiis. II. Moxt.vni. 



Plants glabrous or puberulent, not at all glandiilar; inflorescence dense cind 

 many-flowered; anthers and sterile stamens sparingly bearded. 



III. Glabei. 

 Anthers glabrous or merely hirteUo-ciliate along the Une of dehiscence. 



Anthers dehiscent for nearly their whole length or at least at their distal end. 

 Plants not suffruticose at the base. 

 Leaves no. Linear-filiform. 



CoroUa decidedlj- ftmneiform, j. e., throat much wider than the tube. 

 Sterile stamen glabrous; plant tall. III. GU-VBRI. 



Sterile stamen bearded. 



CoroUa over 3 cm. long, strongly ventricose; stem-leaves clasp- 

 ing. 

 Leaves strongly serrate. IV. P.vlsieri.\xi. 



Leaves with entire margins. V. GR-VXDITLORI. 



CoroUa about 2 cm. long or less; leaves Unear or oblanceolate, 

 not clasping; plant low. 

 Plants perfectly glabrous. 



