516 Obdee 86.— SCROPHULARIACB^. 



common name of the Jessamine.) Calyx 5-parted, lobes oblong ; cor- 

 olla funnel-form, witli 5, short, rounded lobes, quincunnctial in bud ; 

 filaments 5, on the corolla ; ovary smooth, short-stiped ; style filiform ; 

 stigmas 2, each 2-parted, and with the anthers dimorphous, i. e., in 

 some plants the stamens exceed the stigmas, in others the stigmas ex- 

 ceed the stamens, as in Houstonia; capsule twin, compressed, with a very 

 narrow dissepiment (or ?), valves each 2-cleft at top, cells few (4 to 6)- 

 seeded, seeds winged. — Shrub slender, smooth, climbing, with evergreen 

 Ivs. and large, showy yellow fls. Stip. reduced to a raised rim. 

 G. sempervirens Ait Woods and banks of streams, Ta. to Ala. and Fla., veiy 

 abundant. A slender vine, twining and overrunning bushes and low trees, and 

 profusely ilowering. Lvs. coriaceous, shining, revolute at edge, lanceolate, acute 

 at each end, short-petioled. Cor. tube 1' long, of a rich golden yellow. In one 

 variety the stamens equal the corolla and the style but half as long ,■ in the other 

 vice versa (a fact first pointed out to the author by Professor Pond, March, 1851). 

 Pis. in Mar. — May. 



Order LXXXVI. SCROPHTJLAEIACE.^. Figworts. 



Herbs chiefly, without fragrance, the leaves and inflorescence various. Flowers 

 irregular, 5-merous, didynamous or diandrous (rarely pentandrous). Calyx free from 

 the ovary, persistent. Corolla monopetalous, imbricated in bud. Staimems inserted 

 in the tube of the corolla, 1 or 3 of them usually rudimentary. Ovary free, 2-oeIled, 

 with 1 style, a 2-lobed stigma, and becoming in fruit a 2-celled, many-seeded cap- 

 sule, with axile plaoentse. Seeds albuminous. (Fig. 204, 326, 362, 899, 427, 463.) 



G-vnira 130, species 1800, abundant in every part of the world, from the equator to the 

 ^regions of perpetual frost. They constitute about 1-86 of the Phfienogamia of N. America. 



PropeHies. — Generally acrid, bitter and deleterious plants. The most remarkable officinal 

 species of the tribe is the Foxglove (Digitalis), which exercises a wonderful control over the 

 action of the heart, in regulating its pulsations. It is also employed in cases of dropsy, hemor- 

 rhage, &o. Taken in excess it speedily causes death. The Veronica Virginica (Culver's Physic) 

 and Linaria vulgaris (Toad-flax) are purgative and emetic Numerous species are cultivatea for 

 ornament. Many aro parasiUo and turn black in drying. 



SUBOEDEES, TRIBES AND GENERA. 

 ■\ Leaves alternate (in one garden plant mostly opposite. No. 6.) (*) 



* Inflorescence compound, centrifugal, (Showy garden exotics.) (Tribe 1.) 



* Inflor. simple, centripetal. — Stamens 5. Corolla rotate. (Tribe S.) 



— Stam. 4. Corolla spurred or saccate at base. (Tribe 4, a) 

 — Stam. 4. Climbing vines, in gardens. (Tribe 4, b) 

 — Stam. 4 or 2. Herbs small, creeping, leaves linear. (Tribe 7) 

 — Stam. 4 or 2. Herbs erect Cor. not galeate, (Tribe 8) 

 —Stam. 4. Cor. upper lip galeate, vaulted. (Tribe 12, n) 

 ^ Leaves opposite (or in one southern species, scattered No. 29). (2) 

 2 Stamens 2, included. Corolla 2-lobed, the lower inflated. (Tribe 2) 

 2 Stamens 2, included. Corolla tubular, labiate. (Tribe 6, t) 

 2 Stamens 2, exserted. Corolla rotate or salver-form. (Tribe 9) 

 2 Stamens 4, perfect, the fifth rudiment about as large, conspicuous. (Tribe 5, c) 

 2 Stamens 4, perfect, the fifth rudiment minute or none. (3) 



3 Inflorescence compound, in panicles or vertlcillasters. (Tribe 6, d) 

 3 Inflorescence simple. — Corolla Labiate, not galeate. (Tribe 6, e) 

 — Corolla labiate, and galeate. (Tribe 12, o) 

 — Corolla salver-form. Anthers 1-celled. (Tribe 10) 

 —Corolla bell or funnel-form, &o. Anthers 2-celled. (Tribe 11) 

 L SALPIGLOSSIDK^. (Corolla in bud plicate at the clefts. Inflorescence centriibgal.) 



Tkibe 1. SAl.PiOLOSSK.ii. — Stamens 2. Corolla deeply cleft SOHlzAHTnus. 1 



— Stamens 4. Corolla salver-form, tube long Beowallia. 2 



II. ANTIEEHINIDEjE. (Corolla in bud imbricate, upper lip covering the lower). 



Tbibe 2. OALOEOLAniK.E. Infloi'oscenco Compound. Calyx 4-cleft Oaloeolabu. 3 



TftiBU 3. VEBBASOE.E. Inflorescence Simple, Centripetal. Cor. rotate Vkebaboitm. 4 



