CLASS VL ORDER I. 



43 



obtuse, converging, with intervening tubcr- 

 culate-gi-ooves and pi-oraincnces ; joiniDtr- 

 •jides flat ; germ sub-globose, compressed 

 laterally ; calyx obsolete, 5-toothcd ; petals 

 cordate, inflexed ; partial involucrums 5 or 

 6-leavcd, or wanting, (water hemlock,) 



Si'uM. Fruit somewhat prismatic, with 5 

 obtuse ribs ; periiuith minute ; petals cordate, 

 inflexed ; involucres many-leaved, entire, 

 (water-parsnip.) 



Cuyptot.k'mia. Calyx with the margin 

 obsolete ; petals obovate, sub-entire, nar- 

 rowing mto an inflexed point ; fniit con- 

 tracted at the side, linear-oblong, with a 

 short slender foot-stem, and cro\vned \vith 

 a straight style ; and having many edging 

 fillets, concealed, or nearly so ; fruit-cover- 

 ing bifid at the apex ; plant glabrous ; leares 

 3-cleft, segments curve-toothed. 



Zi'ziA. Margin of the calyx obsolete or 

 very .short, 5-toothed ; petals oval, tapering 

 into a long point : fruit conti-acted horn the 

 side, roundish, or oval ; carpels terete-con- 

 vex, a little flattish before ; flowers yellow, 

 rarely white or dark-purple. 



Bupleu'ruji. Cjilyx none ; flowers reg- 

 ular ; petals 5 ; styles very .short, spreading ; 

 stigmas minute, simple ; fruit egg-bhaped, 

 obtuse. 



Si'soN. Fruit ovate, sti-iate ; involucnims 

 generally 4 -leaved. 



A'piUM. Seeds convex externally; ribs 5, 

 email, a little prominent ; germ sub-globose; 

 perianth entire ; petals equal, roundish, 

 inflexed at the apex ; involucrum 1 to 3- 

 leaved or wanting, (celeiy, parsley.) Ex. 



CoRiAN^DRUM. Seeds sub-spberical ; 

 germ spherical ; perianth 5-toothed ; petals 

 cordate, inflexed, outer ones largest ; invo- 

 lucrum lleaved or wanting, (coriander.) 

 Ex. 



LiGtJs'''TicuM. Genn oblong, with 5 acute 

 ribs ; intervals sulcate ; universal and par- 

 tial involucres. (lovage.) 



iETHu'sA. Fruit ovate, sub-solid, hav-ing 

 bark ; ribs acute and turgid ; intervals 

 acute-angled ; joining-sides flat, striate ; in- 

 volucrum 1-side, or none, (fools' parsley.) 



ORDER III. TRIGYNIA. 



A. Flou-ers superior. 



Vibur^'num. Calyx 5-parted or 5-toothed, 

 small ; corolla bell form, 5-cleft, with spread- 

 ing or reilexed lobes ; stigmas almo.st ses- 

 sile ; berry or drupe 1-soeded. (snow-ball, 

 eheep-berry, high cranberrj'.) 



Sambu'cus. Calyx 5-parted or 5-cleft, 

 small ; corolla sub-urceolated, 5-cleft ; stig- 

 ma minute, sessile ; berry globose, 1-celied, 

 3-sceded. 



B. Flowers inferior. 



Rhus. Calyx 5-parted; petals 5; berry 

 l-.seeded, small, sub-globular, (sumach, poi- 

 bon-ivy.) 



Staphyle'a. Calyx 5-parted, colored; 

 petals 5 on the margin of a glandular 5-an- 

 gled disk; capsules inflated, connate; nuts 

 globular and cicatrized, 1 or 2 remaining in 

 each capsule, though .several appear as ru- 

 diments while in bloom, (bladder-nut.) 



t,EPU'ROP£'T.\L()N. Calyx 5-parted ; pet- 



als 5, resembling scales, inserted into the 

 calyx ; capsule free near the summit, 1- 

 celled, 1-valved. S. 



ORDER IV. TETRAGYN'IA. 



Parnas"sia Calyx inferior, permanent, 

 5-parted ; corolla 5-petalled ; nectaries 5- 

 fringed, with stamen-like divisions ; slig- 

 mas sessile ; ca[>sule 4-valved, 1 or 2-celled; 

 seed mcmbranaceous-margined. (parnas- 

 sus gra.s.s, flowering plantain.) 



ORDER V. PENTAGYNIA. 



Ara'lia. Umbellets involucred ; peri- 

 anth 5-toothed, superior; petals 5; sti,«:ma8 

 ses.^iile, eub-globose ; berry crowned, 5- 

 celled ; cells 1-seeded. (spikenard, wild- 

 sarsaparilla.) 



Li'num. Calyx 5.-Jeaved or 5-parted, per- 

 manent ; corolla 5-petalled, inferior, with 

 claws ; cap-sule 5 or 10-valved, 10-celled ; 

 seeds solitary, ovate, compressed ; filaments 

 spreading or united at the ba.se. (flax.) 



Sibbal^dia. Calyx 10-cleft, with the al- 

 ternating segments narrower ; petals 5, in- 

 serted in the calyx ; styles attached to the 

 germ laterally ; nuts '' \n the bottom of the 

 calyx. 



Stat"ice. Calyx funnel-form, plaited, 

 .scarious ; petals 5 ; stamens inserted on the 

 petals ; styles 5 ; flowers in spikes or heads; 

 capsule 1-seeded, without valves. 



ORDER VI. HEXAGYNIA. 



Dros^era. Calyx inferior, deeply 5 cleft, 

 permanent ; petals 5, marescent ; anthers 

 adnate ; styles 6, or 1 deeply divided ; cap- 

 sule round, 1 or 3-celled, many-seeded,- 

 valves equalling the number of stigmas, 

 (sundew.) The leaves of all the species 

 are beset with glandular hairs resembling 

 dew. 



ORDER XII. POLYGYNIA. 



Xanthorhi'za. Calyx 0; petals 5 ; nec- 

 taries 5, pedicelled ; capsule half 2-valv6d, 

 1-seeded, about 5 in number, (yellow-root.) 



Myosu'rus. Calyx inferior, of few, lan- 

 ceolate, colored sepals ; petals 5, with tu- 

 bular, honey-bearing claws; filaments as 

 long as the calyx ; calyx spurred at the 

 base. 



CLASS VL KEXANDRIA. 



ORDER I. MONOGYNIA. 



A. Flowers complete, having a calyx and 

 corolla. 



Tradesca.v"tia. Calyx inferior, 3-leav- 

 ed; corolla 3 petallcd ; filaments with joint- 

 ed beards ; capsules 3-celled, many-seeded, 

 (spider-wort.) 



Leon"tice. Caui.ophyi.i.um. Calyx of 

 3-G sepals, naked externallj' ; jjetais (i, uu- 

 guiculate, with a scale on each claw; ova- 

 ry superior, ventricose obovoid, obliquely 

 beaked ; seeds 2-4, globo.sc. in.«erted in the 

 bottom of the capsule, wdiich is ruptured at 

 an early period. 



Bkr'beris. Calyx inferior, 6-Ieaved 

 petals 6, with 2 glands at the claw of each, 

 style 0; ben-y I -celled, 2 or 4 -seeded; stig- 



