FIGWORT FAMILY 



20: 



Lip 1-saccate. 20. Orthocarpus. 



Lip 3-saccate. 21. Triphysarl\. 



Calyx 2-phyIloas, /. p., cleft to the base on the sides or, by the 

 absence of the lower leaf, l-phylloiis. 22. Adenostegia. 

 Anther-sacs alike, parallel; leaves mostly opposite. 



Mai-gins of the 2-lobed upper lip of the corolla recurved; caly.x 



4-cleft. . 23. Euphrasia. 



Margins of the upper lip of the corolla not recurved. 



Ovules several or numerous; capsule several or many-seeded. 

 Calyx split below, or below and above, not inflated; cap- 

 sule ovoid or oblong, obhque. 

 Galea prolonged mto a flhform recurved beak; throat 



with a tooth on each side. 24. Elephaxtell.a. 

 Galea if prolonged into a beak, the latter not flhform, 

 straiglit or incurved ; tlu-oat without teeth. 



25. Pedicularis. 

 Calyx 4-toothed, inflated and veiny in fruit. 



26. Rhinanthus. 

 Ovules 2 in each cell; fruit 1-4-seeded. 



27. Meu\mpyrum. 



1. VERBASCUM (Tourn.) L. Mullen. 



Plant densely woolly; flowers in a dense spike. 

 Plant glabrous or glandular; flowers racemose. 



Pedicels longer than the fruit; plant glabrous or sparingly glandular. 



Pedicels shorter than the fruit; plant densely glandular. 



2. LINARIA (Tourn.) L. Butter-axd-eggs, Toad-fl.\x. 



Corolla yellow, -nith an orange throat, 2-3 era. long. 

 Corolla blue or white, 12 mm. or less long. 



3. ANTIRRHINUM (Tourn.) L. Snapdragon. 



Stem erect, 1-4 dm. liigh, with very short straight pedicels. 



Stem 6-12 dm. liigh, cllmbmg bj' means of long Aliform cui-ved pedicels. 



1. V. Thapsus. 



4. COLLINSIA Nutt. 



5. TONELLA Xutt. 



Blue-eyed ^NIary, Blue-lips. 



6. SCROPHULARIA (Tourn.) L. Figwort. 



Leaves simply serrate, none lobed at the base; corolla-tube barely twice as long as the 

 calyx. 1. S. serrata. 



Leaves incised or doubly serrate with sharp teeth , the lower inclined to be incised-lobed 

 at the base ; corolla-tube more than twice as long as the calyx. 2. 5. occidcntalis . 



PENTSTEMON (Mitchell) Schmidel. 



OF-THE-MOUNTAIX. 



Beard-tongue, Mayflower, Pride- 



Corolla blue, purple, wliite, or yellowish, more or less funnelform or salverform. 

 Anthers bearded. 



Plants sutf rutescent ; leaves leathery; anthers densely viUous; sterile stamens 



usually glabrous. I. Fruticcsi. 



Plants not fruticose; leaves not leathery. 



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



anthers densely villous ; sterile stamen glabrous. II. Montani. 



Plants glabrous or puberulent, not at all glandiUar; inflorescence dense and 

 many-flowered; anthers and sterile stamens sparingly bearded. 



III. GL.ABRI. 



Anthers glabrous or merely hirtello-ciliatc along the line of dehiscence. 



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

 Plants not sufl'ruticose at the "base. 

 Leaves noj hnear-flhforni. 



Corolla decidedly funnelform, i. e., throat much wider than the tube. 

 Sterile stamen glabrous; plant tall. III. GL-ABRI. 



Sterile stamen bearded. 



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

 ing. 

 Leaves strongly serrate. IV. Palaieriaxi. 



Leaves with entire margins. V. Graxdiflori. 



Corolla about 2 cm. long or less; leaves linear or oblanceolate, 

 not clasping; plant low. 

 Plants perfectly glabrous. 



Corolla strongly ventricose-gibbous ; tube proper very 



short. VI. Halliaxi. 



Corolla not ventricose-gibbous; tube gradually dilated 

 into a funnelform tliroat. VII. Acumix.ati. 



Plants glandular at lefust on the inflorescence. 



Stem-leaves distinctly petioled; blades broadly ovate or 

 suborbicular, coarsely dentate. VIII. Petiolati. 



