CLASS XIV. ORDER II. 71 



BucHNERA. Calyx obsoletely 5-toothed : corol 

 with the limb in 5 equal divisions, the lobes cordate: 

 capsule 2-celled. 40. 34 — americana^ (buchnera) 

 spikes remotely flowered, leaves lanceolate 3-nerv- 

 ed. 11. b. 



Antirrhinum. Calyx 5-leaved or deeply 5- 

 parted, the two lower divisions remote : corol rin- 

 gent, spurred or with a prominent base, the gape 

 closed with a prominent palate : capsule ovate, 2- 

 valved, dehiscent at the apex. 40. 40 — linaria^ 

 (snap-dragon) flowers in terminal spikes, leaves 

 crowded together lance-linear. 11. y. — canadense, 

 (toad-flax) flowers racemed, leaves alternate remote. 



©•p. 



Gerardia. Calyx 5- cleft : corol 2-lipped ; low- 

 er lip 3-parted with emarginate lobes, middle one 

 2-parted : capsule 3- celled, dehiscent at the base. 

 40. 40 — -Jiavay (false foxglove) hairy, leaves lance- 

 olate gash-pinnatifid below, flowers axillary oppo- 

 site. 2/.y. — giiercifolia^ (oak-leaf foxglove) glab- 

 rous, stem panicle-like, pinnatifid leaves with lance- 

 olate divisions, upper leaves entire. Ij. . y, — purfiu- 

 rea, (dwarf foxglove) leaves linear, very branch- 

 ing, ©.p. — -/ift^tcw/ana, (louse wort foxglove) hairy, 

 leaves pinnatifid doubly-serrate. IJi. y. 



Digitalis. Calyx 5-parted : corol bell-form, 

 ventricose, 5-cleft : capsule ovate, 2-celled. (Flow- 

 ers racemed.) 40. 40 — /lur/iurca, (foxglove) corol 

 obtuse with an entire upper lip, leaves hairy. % . p. 



Pedicularis. Calyx 5-cleft or obliquely trun- 

 cate : corol ringent : capsule 2-celled, mucronate, 

 oblique : seeds numerous, coated. (Leaves many- 

 cleft.) 40. o5—'Canaden.^h, (lousewort) calyx ob- 

 liquely truncate, spike leafy short, upper lip of co- 

 rol with 2 bristles. 11. y. ^ p — gladiata^ (high 

 heal-all) spikes leafy rough-haired, flowers alter- 

 nate. 1}.. y-p, 



G 2 



