CLASS XIII. ORDER II. 55 



C. Calyx 4 or b-cleft, or b-toothed ; plant without green herbage. 



Oroban"cue. Corolla ringent, capsule ovate, acute, 1-celled; seeds numerous; 

 a gland beneath the base of the germ. 



Epiph"egos. Polygamous; calyx abbreviated, 5-toothed ; corolla of the bar- 

 ren flowers ringent, compressed, 4-cleft ; lower lip flat ; of the. fertile flowers 

 minute, 4-toothed, caducous; capsule truncate, oblique, I-celled, imperfectly 3- 

 valved, opening on one side, (beech-drops, cancer-root.) 



D. Cahjz 5-leaved, or b-cleft ; plant with green herbage. 



Scrophola'ria. Corolla sub-globose, resupinate, short bi-labiate, with an in- 

 ternal, intermediate scale ; capsule 2-celled. 



Bigno'nia. Calyx 5-toothed, cup-form, sub-coriaceous; corolla bell-form, 5- 

 lobed, ventricose beneath ; capsule silique-like, 2-celled ; seed membrane wing- 

 ed, (trumpet-flower.) 



Buciine'ra. Calyx 5-toothed ; corolla with a slender tube, and the limb in 5 

 equal divisions, the lobes cordate ; capsule 2-celled. (blue hearts.) 



Antirrhi'num. Calyx 5-leaved or deeply 5-parted ; the two lower divisions 

 remote; corolla personate or ringent, spurred or with a prominent base; the 

 throat closed with a prominent palate ; capsule ovate, 2-yalved, dehiscent at the 

 apex, with reflexcd teeth, (snap-dragon, toad flax.) 



Gerar"dia. Calyx 5-cleft or 5-toothed ; corolla sub-campanulate, unequally 

 5-lobed; segments mostly rounded; capsule 2-celled, dehiscent at the top. 

 (false foxglove.) 



Pedicula'ris. Calyx ventrico.se, 5-cleft, or obliquely truncate; corolla rin- 

 gent ; upper lip arched, emarginate and compressed; capsule 2-celled, mucro- 

 nate, oblique ; seeds numerous, angular, coated ; leaves many-cleft, (louse- 

 wort, high heal-all.) 



Mi'mulus. Calyx prismatic, 5-toothed ; corolla ringent ; upper lip folded back 

 upon iis sides, lower lip with a prominent palate; stigma thick, 2-cleft ; capsule 

 2-celled, manv-seeded ; seeds minute, (monkey-flower.) 



Chki.o'ne. Calyx 5-cleft or 5-leaved, 3-bracted; corolla ringent, inflated; the 

 upper lip emarginate obtuse, under lip slightly 3-cleft; the rudiment of a smooth 

 filament between, and shorter than the two tallest stamens; anthers woolly ; 

 capsule 2-celled, 2-valved ; seeds with membranous margins, (snake head.) 



Pentste'mon. Calyx 5-cleft or 5-leaved ; corolla ringent, inflated; the rudi- 

 ment of a bearded filament between, and longer than the two tallest stamens; 

 anthers smooth; capsule 2-celled, 2-valved, ovate; seeds numerous, angHlar. 

 Taken from the last genus, (beard tongue.) 



Zapa'nia. Flowers capitate; calyx 5-toothed; corolla 5-lobed; stigma pel- 

 tately capitate, oblique ; seeds 2, at first enclosed in an evanescent pericarp, 

 (fog-fruit.) 



Herpes"tis. Calyx unequal, bi-bracted at the base ; corolla tubular, some- 

 what 2-lipped ; stamens included ; capsule 2-valved, 2-celled ; dissepiment 

 parallel with the valves. 



Limosel'la. Calyx 5-cleft ; corolla 4-5-lobed, equal ; stamens approaching by 

 pairs; capsule 2-valved, partly 2-celled, many-seeded, (mad wort.) 



Ruel"lia. Calyx often 2-bracted; corolla somewhat bell-form; border 5- 

 lobed; stamens approaching by pairs; capsule smaller at the ends, toothed, 

 dehiscent, (ruel.) 



Coi.lin'sia. Calyx 5-cleft ; corolla 2-lipped, throat closed ; upper lip 2-cleft; 

 lower lip 3-cleft; the bag-like, keeled segrment, closed over the declined stamens 

 and style; capsule globose, seeds 2-3-umbilicate. 



Martyn"ia. Calyx 5-cleft ; corolla ringent, with a ventricose tube ; capsule 

 4-celled, 2-valved ; each of the valves terminating in a long, hooked beak, 

 (unicorn plant.) /S. 



Capra'ria. Calyx 5-parted; corolla bell-form, 5-p3rted, acute; capsule 2- 

 valved, 2-celled, many-seeded. S. 



Seyme'ria. Calyx deeply 5-parted ; corolla sub-campanulate, 5-lobed ; sta^ 

 mens; near the throat ; style declined ; capsule inflated, ovate, acute. S. 



Sesa'mum. Calyx 5-parted ; corolla bell-form, 5-cleft ; the lower lobe largest. 

 The rudiment of a fifth stamen ; stigma lanceolate; capsule 4-angled, 4-celled. 

 (oily grain.) 



Digita'lis. Calyx 5-parted; corolla bell-form, ventricose, 5-cleft ; stigma sim- 

 Die or bilamellate: capsule ovate, 2-celled ; flowers racemed. (fox-glove.) Ex. 

 26 



