CLASS XIII. ORDER XL 



acuminate brac*.s ; leafets placed under the 

 whorls of flowers; upper lip of the corolla 

 erect, eniarginate, lower one the longest, 

 emarginate. (Held thyme.) 



Dracoceph"alum. Calyx sub-equal, 5- 

 cleft ; orifice of the corolla inflated ; upper 

 lip concave, notched ; stamens unconnect- 

 ed, (dragon head.) 



Ocy'mum. Calyx with the upper lip or- 

 biculate, lower lip 4-cleft ; corolla resupi- 

 nate ; one lip 4-cloft, the other undivided. 

 A process at the base of the outer fila- 

 ments, (sweet basil.) Ex. 



Thy'mus. Calyx sub-campanulate, the 

 throat closed with hairs ; corolla with the 

 upper lip flat, eniarginate, low^er lip longer, 

 (thyme.) Ex. 



Mf,lis"sa. Calyx dry, flattish above, with 

 the upper lip sub-fasligiate ; corolla with 

 the upper lip somewhat vaulted, 3-clcft, 

 lower lip with the middle lobe cordate, 

 (balm.) Ex. 



Macbri'dea. Calyx top form, Scleft, 2 

 segments large ; corolla 2-lippcd, the up- 

 per entire, tbe under 3-parted ; anthers 2- 

 lobed ; the lobes spreading, fringed with 

 small spines. <b'. 



Calamin"tha. Calyx closed with hairs 

 after flowering ; throat of the corolla some- 

 what inflated, upper lip emarginate ; low- 

 er one 3-parted. (S^. 



Ceran"thera. Calyx 2-lipped, the upper 

 lip emarginate, the lower one 2-cleft; upper 

 lip of the corolla 2-lobed, the lower one 3- 

 parted, stamens exsert ; anthers horizontal, 

 awned at each end. (S. 



Tul"lia. Calyx with the upper lip 3- 

 toothed, lower one 2-toothed : teeth appen- 

 daged ; corolla 2-lipped, with the upper 

 lip very entire, lower one 3-parted, middle 

 division largest. S. 



ORDER II. AXGIOSI'ER.MIA. 



A. Calyx 2 or 2-ckjt. 

 Obola'ria. Calyx bract-like ; corolla 4- 



deft, bell-form ; capsule 1-celled, 2-valved, 

 many-seeded ; stamens proceeding from the 

 divisions of the corolla ; stigma 2-cleft or 

 emarginate. (penny-wort.) 



Castille'ja. Calyx spathe-form, upper 

 lip 2 cleft, lower one wanting ; corolla 2- 

 lipped, lower one very short, 3-cleft, with 

 2-glands between the divisions ; capsule 2- 

 celled. *S\ 



Phry'ma. Calyx cyhndric, upper lip 

 longer, 3-c!eft, lower lip 2-toothed ; upper 

 lip of the corolla emarginate, smaller; seed 

 solitary, (lop-seed.) 



B. Cahjx 4 or 5-ckn. 

 Euchro'ma. Calyx inflated, 2 or 4-cleft ; 



corolla 2 lipped, upper lip long, linear, cm- 

 bracing tlie style and stamens ; anther.s 

 linear, with unequal lobes, cohering so as 

 *o form an oblong disk ; capsule ovate, com- 

 pressed, 2 celled ; seeds numorou.s, sur- 

 rounded with an inflated membrane. 



Bart"sia. Calyx lobcd, emarginate, 

 colored ; corolla le.ss than calyx, upper lip 

 longest, concave, entire, lower lip 3-cIeft 

 and reilexed; anthers with equal lobes, not 



cohering; capsule 2-cellen ; seeds angled, 

 (painted cup.) 



Melamfy'kum. Corolla with the upper 

 lip compressed, the margin folded back, 

 lower lip grooved, 3-cleft, sub-equal ; cap- 

 sule 2-celled, oblique, dehiscent on ono 

 side ; seeds 2, cylindric, gibbous, cartila 

 ginous, and smooth, (cow-wheat.) 



Schwai/'bea. Calyx ventrico.se, tubular, 

 upper segment shortest, lower large and 

 emarginate ; corolla ringent, upper lip en- 

 tire, arched; capsule 2-celled, 2-valved; 

 seeds imbricate, winged. (chafF-seed.) 



RniNAN^THUS. Calyx inflated, 4-toothed , 

 corolla ringent, upper lip compressed, low- 

 er lip flat, 3-Iobed; capsule 2-celled, obtuse, 

 compressed, (yellow-rattle.) 



Lanta'na. Flowers capitate ; calyx 4- 

 toolhed ; corolla unequally 4-parted ; throat 

 open; stamens within the tube; stigma 

 hooked ; drupes aggregated. S. 



ORTHocAR"rX'S. Calyx tubular, 4-cleft; 

 corolla 2 lipped, closed, upper lip smaller, 

 compressed, margin inflexed, lower lip 

 concave, 3-toothed; capsule 2-celled, 2- 

 valved. S. 



Euphra'sia. Calyx cylindric ; corolla 2- 

 Hpped, the upper lip 2-cleft, lower lip 3 

 lobed, with the divisions 2-cleft ; lower an 

 thers lobed, spinose. (eye-bright.) S. 



C. Calyx 4 or o-clcft, or 5-toothed ; plant 



untlwiit green herbage. 



Oroban"che. Corolla ringent; capsule 

 ovate, acute, 1-celled; seeds numerous; a 

 gland beneath the base of the germ. 



Epiph'^egus. Polygamous; calyx abbre- 

 viated, 5-toothed ; corolla of the barren 

 flow^ers ringent, compressed, 4-cleft, lower 

 lip flat, of the fertile flowers minute, 4- 

 toothed, caducous; capsule truncate, ob- 

 lique, 1-celled, .imperfectly 2-valved, open- 

 ing on one side, (beech-drops, cancer- 

 root.) 



D. Calyx 5-leaved, or 5-clcfi ; plant with 



green herbage. 



Scrophula'ria. Corolla sub-globose, 

 resupinate, short bi-labiate, with an inter- 

 nal, intermediate scale ; capsule 2-celled. 



Bigno'nia. Cal>-x S-tcothed, cup-form, 

 sub coriaceous ; corolla bell-form, 5-lobed, 

 ventricose beneath ; capsule eilique-like, 

 2-celled ; seed membrane winged, (trump- 

 et-flower.) 



Buchne'ra. Calyx 5-toothed ; corolla 

 with a slender tube, and the limb in 5 equal 

 division.s, the lobes cordate ; capsule 2-cell- 

 ed. (blue hearts.) 



Antirrhi'.n'um. Calyx 5-leaved or deep- 

 ly 5-parted, the two lower divisions re- 

 mote ; corolla personate or ringent, spurred 

 or with a prominent base ; the throat clos- 

 ed with a prominent palate; cansule ovate. 

 2-valved, dehiscent at the p'<:x, with re- 

 flexed teeth, (snap-dragon, toad flax) 



Gerar"dia. Calyx 5-cIeft or 5-tootheQ, 

 corolla. sub canipanulatcuneijually 5 lobed 

 segments mostly rounded ; capsule 2 celled 

 dehi.scent at the top. (false loxulove.) 



Pedicula'uis. Calyx veutrico.<c. 5-cIell 



IS-" 



