40 



CLASS V. ORDER I. 



numerous, sub-imbricate, surrounded with 

 a very small membranaceous margin. jS'. 



Phace'lia. Calyx 5-parted ; corolla 

 somewhat bcUform. 5-clcft; stamens ex- 

 serted ; capsule 2-celled. 2-valved, 4 seeded. 



Phlox. Calyx prismatic, Scleft, seg- 

 ments converging; corolla salver-form, 5- 

 lobed, with a tube somewhat curved ; fila- 

 ments unequal in length, attached to the 

 inside of the tube of the corolla ; stigma 3- 

 cleft; cells 1-seeded ; seeds oblong, con- 

 cave, (lichnidia.) 



Datu'ra. Calyx tubular, angled, cadu- 

 cous, with a permanent orbicular base ; co- 

 rolla funnel-form, plaited ; capsule 4-valved, 

 2-celled, and each cell half-divided ; gener- 

 ally thorny, (thorn-api)le.) 



Aza'lea. Calyx 5-partcd ; corolla tubu- 

 lar, 5-cleft, somewhat oblique ; stamens on 

 the receptacle, declined ; stigma declined, 

 obtuse, u.sually ending with 5 short capillae ; 

 capsule 5 celled, 5-valved, opening at the 

 top. (vvild honeysuckle.) 



Diapen"sia. Capsule 3-cellcd, 3-valved, 

 many-seeded ; corolla salver-form ; calyx 

 5-parted, bracted at base ; stigmas 3. 



Vin'^ca. Corolla salver-form, twisted, 

 border 5-cleft, with oblique divisions ; throat 

 5-angled ; seed naked, oblong ; follicle-like 

 capsules 2, erect, terete, narrow. Ex. 



Physa MS. Calyx 5-cleft ; corolla wheel- 

 form, Scleft ; stamens converging ; berry 

 globose, (winter-cherry.) 



Sola'num. Calyx 5 to 10-parted, perma- 

 nent ; corolla bell or wheel-form, 5-lobed, 

 plaited ; anthers thickened, partly united, 

 with two pores at the top ; berry contain- 

 ing many .seeds, 2 to 6-celled. (potato, 

 nightshade, bitter-sweet.) 



Atro'pa. Corolla bell-form; stammis dis- 

 tant; berry globose, 2celled, sitting on the 

 calyx, (deadly nightshade.) Ex. 



Cap"sicum. Corolla wheel-form ; beny 

 juiceless, inflated ; anthers converging ; ca- 

 lyx angular, (red pepper.) 



Andhoce'Ra. Calyx inflated, 5-cIeft, ca- 

 ducous ; corolla sub-ringent. wheel-form, 

 5-cleft ; stamens unconnected, unequal, de- 

 clined, one larger, and horn-formed ; anthers 

 with 2 terminal pores; style simple, de- 

 clined ; stigma not distinct ; berry dry ; seed 

 without margins, rugose. S. 



Spige'lia. Calyx 5-parted; corolla fun- 

 nel-fonn, border 5 cleft, equal ; anthers con- 

 vergent ; capsule 2-celled, 4-valved, many- 

 seeded. Ex. 



Hyocya'mus. Calyx tubular, Scleft ; co- 

 rolla funnel-form, irregular, lobes obtuse ; 

 stigma capitate; capsule ovate, covered 

 with a lid. 



Polemo'nium. Capsule bell-form, 6-cleft ; 

 corolla wheel-form, S-partcd ; stamens in- 

 serted upon the S valves which close the 

 orifice of the corolla. 



C. Flowers 1-petalled, superior. [Seeds 

 in a capsule] 



Campa\"ula. Calyx mostly 5-cleft ; co- 

 rolla bell-form, closed at the bottom by 

 valves bearing the flattened stamens ; stig- 

 ma 3 to S-cleft; capsules 3 to 5-celled, 

 opening by lateral pores, (bell-flower.) 



Lor.E'i.iA. Calyx 5-cleft; corolla irrega 

 lar, often irregularly slitted ; anthers cohc 

 ring and somewhat curved ; stigma 2-lohcd ; 

 capsule 2 or 3-celled. (cardinal-flowerj 

 wild tobacco.) 



Pinckne'va. Capsule 2-celled, bearing 

 the partition in the middle of the valves; 

 calyx with 1 or two segments resembling 

 bracts ; filaments inserted at the base of the 

 tube ; seeds winged. S. 



Psycho'tria. Tube of the calyx ovate, 

 crowned ; limb short, 5-lobed, S-toothed or 

 sub-entire ; corolla funnel-form, short, 5- 

 cleft; throat bearded ; stigma 2-cleft; berry 

 drupe-like. <S'. 



Diervil^la. Calyx oblong, 5-cleft, with 

 2 bracts ; corolla Scleft, twice as long as 

 the calyx, funnel-form; border Scleft, 

 spreading; stigma capitate; capsule ob- 

 long, 4-celled, naked, many-seeded, (bush 

 honeysuckle.) 



Chiococ"ca. Calyx 5-toothed ; corolla fun- 

 nel-form, equal ; berries compressed, twin- 

 ned, 2-seeded ; seeds oblong, compressed. 



Sympho'ria. Calyx minute, 4-toothed-, 

 corolla tubular, short, 4 or 5-lobed ; stigma 

 globose ; beny crowned by the calyx ; 

 4-celled, 4-seeded. (snow-beriy.) 



Lonice'ra. Calyx 5-toothed ; corolla tubu- 

 lar, long, 5-cleft, unequal ; stamens exsert ; 

 stigmas globose ; berry 2 or 3-celled, dis- 

 tinct ; seeds many, (trumpet honeysuokle.) 



Xylos"teum. Calyx S-toothed, with 2 

 conate bracts ; corolla tubular, border 5 

 parted, nearly equal ; berries in pairs, uni- 

 ted at their bases, or combined in one ; 2- 

 celled. (fly honey.suckle, twin-berry.) 



Trios"t£UM. Calyx 5-cleft, with linear di- 

 visions ; corolla tubulai-, 5-lobed, gibbous at 

 the base , beny 3-celled, 3-seeded. (fevei 

 root.) 



Mirab'^ilis. Corolla funnel-form, coarc- 

 tate below ; calyx inferior ; germ bet^\'een 

 the calyx and corolla; stigma globular, 

 (four o'clock.) Ex. 



D Flowers 4 to 6-pctaUed, infe^-ior. [Seed 

 in a capsule.] 



Ftea. Calyx Scleft, bell-fonn ; petals 

 linear, reflexed, spreading, inserted into 

 the calyx ; stigma capitate, 2lobed ; cap- 

 sule 2-cclled, 2-valved, many-seeded. 



Impa'tiens. Calyx 2-leaved, deciduous; 

 corolla irregular, spurred; anthers cohering 

 at the top ; capsule 5-valved, bursting elastic- 

 ally when ripe, (ladies' slipper, jewel-weed.) 



Vi'oLA. Calyx 5-leaved, or deeply 5- 

 cleft ; corolla irregular, with a horn behind 

 (sometimes the horn is wanting, or a mere 

 prominence) ; anthers attached by a mem- 

 branous tip, or slightly cohering; capsule 

 1-celled, 3-valved. (violet.) 



Ioni'dium. Ionia. (From Viola.) Calj'x 

 S-sepalled, with bases extended; corolla 

 somewhat 2-lipped, not spurred.; stigma 

 simple ; capsule 1-celled, 3-valved, seeds 

 on the middle valve. 



Sole'a. Sepals 5, not auricled at the 

 base, decurrent into a pedicel ; petals near 

 ly equal, the lower a little larger, and some 

 what gibbous at the ba-ss; filaments wiU> 

 short, broad claws at the base. 



