FIGWORT FAMILY 207 



Lip 1-saccate. 20. Orthocarpus. 



Up 3-saccate. 21. Tbiphtsahia. 



Calyx 2-phyUous, i. e., cleft to the base on the sides or, by the 

 absence of the lower leaf, 1-phyllous. 22. Adenostegia. 

 Anther-sacs aUke, parallel; leaves mostly opposite. 



Margins of the 2-lobed upper lip of the corolla recurved; calyx 



4-cleft. 23. Euphrasia. 



Margins of the upper Up 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, obUque. 

 Galea prolonged into a filiform recurved beak; throat 



with a tooth on each side. 24. Elephantella. 

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

 straight or incurved ; throat without teeth. 



25. Pedicularis. 

 Calyx 4-toothed, inflated and veiny in fruit. 



26. Rhinanthus. 

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



27. Mei^amptrdm. 



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-and-eggs, Toad-plax. 

 Corolla yeUow, with 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. high, with very short straight pedicels. 

 Stem 6-12 dm. high, climbing by means of long ftUform curved pedicels. 



4. COLLINSIA Nutt. Blue-eyed Mary, Blue-lips. 



5. TONELLA Nutt. 



6. SCROPHULARIA (Tourn.) L. Figwoet. 



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

 calyx. 1. S. serrata. 



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

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



7. PENTSTEMON (Mitchell) Schmidel. Beard-tongue, Mayflower, Pride- 



OP-THE-MOUNTAIN. 



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

 Anthers bearded. 



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



usually glabrous. I. Pruticcsi. 



Plants not fruticose; leaves not leathery. 



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



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



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

 many-flowered; anthers and sterUe stamens sparingly bearded. 



III. Glabri. 

 Anthers glabrous or merely hirtello-ciliate along the Hne of dehiscence. 



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

 Plants not suffruticose at the base. 

 Leaves noj linear-filiform. 



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

 Sterile stamen glabrous; plant tall. III. Glabri. 



Sterile stamen bearded. 



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

 ing. 

 Leaves strongly serrate. IV. Palmeriani. 



Leaves with entire margins. V. Grandiflori. 



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

 not clasping; plant low. 

 Plants perfectly glabrous. 



Corolla strongly ventrlcose-gibbous; tube proper very 



short. VI. Haluani. 



Corolla not ventricose-gibbous; tube gradually dilated 

 into a funnelform throat. VII. Acdminati. 



Plants glandular at least on the inflorescence. 



Stem-leaves distinctly petioled; blades broadly ovate or 

 suborbicular, coarsely dentate. VIII. Pbtiolati. 



