4:54 ORDER XC. SCROPHTJLARIACEJ3. 



12. Calyx 5-leaved fferpextte, 7 



Calyx 5-toothed Mimulus, 6 



13. Calyx and corolla curved Buchnera, 12 



Corolla campanulate 14 



14. Flowers yellow 15 



Flowers not yellow 16 



15. Tube of the corolla long Dasystoma, 17 



Tube of the corolla short SeymeHa, 13 



16. Leaves auriculate Otophylla, 14 



Leaves not auriculate Gerardia, 16 



17. Calyx 4-cleft 18 



Calyx 5-cleft Macranthera, 15 



i8. Flowers without bracts Scoparia, 1 1 



Flowers bracteate Polyp remum. 



19. Stamens 5 Verbaseum, 1 



Stamens 2 20 



20. Capsule 1-cellcd Micranthemum, 10 



Capsule 2-celled 21 



21. Capsule obcordate Veronica, 11 



Capsule not obcordate Gratiola, 8 



Genus I.— VERBAS'CUM. L, 5—1. 



(From barbascum, bearded, in allusion to its filaments.) 



Calyx 5-parted. Corolla rotate, 5-lobed, unequal. Stamens 

 5, declined, usually hairy. Capsule 2-valved, 2-celled, ovate or 

 globose. 



1. V. Thap'sus, (L.) Stem erect, winged, tomentose. Leaves alter- 

 nate, lanceolate, decurrent, tomentose, hoary. Flowers in terminal 

 spikes. Calyx tomentose, persistent. Corolla tomentose on the outer 

 surface. Seed dotted. — Yellow. $ . May — Aug. Common. Intro- 

 duced from Europe. Mullein. 



2. V. ltch'nitis, (L.) Stem erect, angled. Leaves oblong, cuneate, 

 naked above, tomentose beneath. Flowers in paniculate spikes, lateral 

 and terminal. — Yellow. ^ . June — July. Car. and Geo. Introduced 

 from Europe. 



3. V. Blatta'kia, (L.) Stem slightly angled, simple, pubescent. 

 Leaves sessile, amplexicaul, slightly cordate, serrate. Flowers in termi- 

 nal racemes; peduncles 1-fiowered, solitary. — Yellow, tinged with 

 purple. $ . May — Aug. Common. Middle Geo. 2 — 3 feet. Intro- 

 duced from Europe. 



Genus II— LLNA'RIA. Juss. 13—2. 



(From linum, flax, from its resemblance.) 



Calyx deeply 5-parted. Corolla large, personate, spurred at 

 the base. Capsule thin, many-seeded. 



1. L. vulga'ris, (Mill.) Smooth and glaucous. Stem erect. Leaves 

 numerous, linear. Flowers in terminal racemes, on short pedicels ; 

 spur long; lower lip bearded. — Orange-yellow. 11. In cultivated 

 grounds. Introduced from Europe. Toad-flax. 



2. L. Canadensis, (Dum.) Stem assurgent, glabrous, simple. Leaves 

 scattered, erect, linear, dotted, alternate on the fertile branches, verti- 

 cillate on the sterile ; the spur of the corolla long, subulate. Seeds an- 

 gled. — Blue. 2f. March — April. Common. 1JJ — 18 inches. 



Antirrhinum Canadensis. 



