50 



CLASS XII ORDER I. 



Dalibar"da. Calyx 5 or 8-cleft, inferior; I 

 corolla 5 petalled ; styles loui;:, caducous. 5 ! 

 to 8 ; ben-y composell of diy graius. (dry 

 strawben-y.) 



Ge'um. Calyx.inferior, 10 cleft, 5 alter- 

 nate divisions smaller; corolla 5-petalled; 

 seeds with a bent awn ; receptacle colum- 

 jiar, villous, (aven.s, or herb-bennet.) 



Styl"ipus. Calyx inferior, 5-cleft, divis- 

 ions equal ; petals 5, oval, distant ; stamens 

 permanent, on a •;;landular ring ; seeds com- 



Eres.sed, ovate, glabrous, with scattering pu- 

 escence, sub-margined ; receptacle colum- 

 nar, villose, becoming elongated ; awns ge- 

 niculate. 



Potkntil"la. Calyx flat, inferior, 10- 

 clefl, 5 alternate divisions smaller; corolla 

 5-petalled ; petals roundish or obovate ; 

 seeds awnless, roundish, rugose, fixed to a 

 dry, small receptacle, (iive-liuger, cinque- 

 foil.) 



SiEVKu'^siA. Calyx with a concave tube, 

 and 5-cleft limb, and 5 bracts outside ; pe- 

 tals 5 ; cai-pels numerous, caudate ; style 

 persistent ; seeds ascending. 



Fraga'ria. Calyx inferior, 10-cleft, 5 al- 

 ternate divisions smaller; corolla 5-petalled; 

 receptacle ovate, berry-like ; acines na- 

 ked, immersed in the receptacle, caducous, 

 (strawberry.) 



Dry'as. Calyx 8 to 9-parted, tube con- 

 cave ; petals 8 to 9 ; carpels many, crowned 

 by a terminal style. 



Calycan"thus. Lobes of the calyx in 

 many rows, imbricate, lanceolate, colored ; 

 corolla ; stamens unequal ; acines many. iS. 



CLASS XIL POLYANDRIA. 



ORDER I. MONOGYNIA. 



Til'^ia. Calyx 5 or 6 parted, inferior, ca- 

 ducous ; corolla 5 or 6-petalled ; capsule 5 

 or 6-celled, globular, coriaceous, dehiscent 

 at the base, 1-seeded ; 4 of the cells some- 

 times empty, (bass-wood.) 



Corcho'rus. Sepals 4 or 5 ; petals 4 or 

 5, rather shorter than the sepals, inferior ; 

 style very short, deciduous ; stigmas 2 to 5 ; 

 capsule pod-like or roundish; seeds com- 

 monly numerous in each cell. 



Portulac"ca. Calyx 2-cleft, inferior; 

 corolla 5 petalled ; capsule 1-celled, open- 

 ing transversely; columella 5, filiform, 

 (pur-slane.) 



Chelido'nium. Calyx 2-leaved, cadu- 

 cous ; corolla 4-petalled ; silique-like, cap- 

 sule 1-celled, 2-valved, linear ; seeds crest- 

 ed, many, (celandine.) 



PoLANis"iA.See Cleo'me. 



Cis'^TUS. [Helianthcmum.] Sepals 5, 2 

 smaller; petals 5 ; capsule 1-cclled, 3-vaIv- 

 ed ; valves .septiferous in the middle, (rock- 

 rose, irost-weed.) * 



Hud.so'nia. Calyx tubular, 5-parted, un- 

 equal, inferior , petals 5 ; capsule 1-celled, 

 3-valved, 1 to 2-seeded. 



Tali'num. Calyx of 2 x)vate sepals; pe- 

 tals 5; capsule 1-cellcd, 3-valved, many- 

 seeded. 



Calandrin"ia. Sepals 2, inferior, persist- 

 ent, united at the base; petals 3 to 5 with- 

 o'. t claws i stamens 4 to 15 ; style short. 



stigmas 3, thickisb, short ; capsule 3-valved. 

 many-seeded; seeds turgid, smooth and 

 shining. 



Meconop"sis. Petals 4 ; stigma 4 to 6 

 rayed ; capsule prickly, 4 to 6-valved. 



Argejio'ne. Petals 4 to 6 ; stigma 4 to 

 7lobed ; capsule obovate, 1 -celled, opening 

 at the summit by valves, (prickly poppy.) 



Sanguina'ria. Calyx caducous, 2-leaved; 

 corolla about 8-petalled ; stigma sessile, 

 twinned, 2-grooved ; capsule pod-like, ovate 

 1-celled, 2-valved, acute at each end ; valves 

 caducous; columella 2, permanent, (blood- 

 root.) 



Gi.Au'ciUM. Calyx 2-i3epalled, caducous; 

 corolla 4-petalled ; capsule 1-celled, linear ; 

 seeds many, punctate. 



Podoi'hyl"lum. Calyx 3-leaved, minute; 

 corolla about 9 petalled ; stigma large, ere- 

 nate, sessile ; berry 1-celled, crowned with 

 the stigma, large, many-seeded; columella 

 1-sided, (wild mandrake.) 



Actje'a. [Cimcifuga.] Calyx 4-leaved, 

 deciduous ; petals 4, often w^anting ; stigma 

 sessile, capitate ; beny superior, 1-celled, 

 many-seeded ; seeds hemispherical, (neck- 

 lace-weed, baneberiy.) 



Macro'tis. Calyx about 4-leaved, be- 

 coming colored before expanding, cadu- 

 cous; corolla many minute petals, very ca- 

 ducou.s, or wanting; stigma simple, sessile, 

 curving towards the gibbous side of the 

 germ; capsule 2-valved, dehiscent at its 

 straight suture, (cohosh, blacksuake-root, 

 bug-bane.) 



Sarrace''nia. Calyx double, permanent, 

 3 or 5-leaved ; corolla 5-petalled, caducous 

 stigma peltate, permanent, very large, cov- 

 ering the stamens; capsule 5-celled, 5- 

 valved, many-seeded, (side-saddle flower.) 



Nu'PHAR. Calyx 5 or Cleaved; petals 

 many, minute, inserted on the receptacle 

 \vith the stamens, nectariferous ; stigma 

 with a broad disk, and radiate furrows, ses- 

 sile ; pericarp berry-like, many-celled, ma- 

 ny-seeded, (water-lily, yellow pond-lily.) 



Nymph.«'a. Calyx 4 to 7-leaved ; corolla 

 many-petalled, petals about equalling the 

 length of the calyx leaves attached to the 

 germs beneath the stamens ; stigma with a 

 broad disk, marked with radiated lines ; pe- 

 ricarp berry-like, many-celled, many-seed- 

 ed, (pond-lily.) 



Papa'ver. Calyx 2-leaved, caducous; 

 corolla 4-petalled ; stigma a broad disk, 

 with radiating lines; capsule 1-celled, de- 

 hiscent by pores imder the permanent stig- 

 ma, (poppy.) Ex. 



The'a. Calyx 4 or 6-leaved ; corolla 6 or 

 9-petalled ; capsule 3-seeded. (tea.) Ex. 



Cit"rus. Calyx 5-cleft; petals 5, oblong; 

 filaments dilated at the base, in several par- 

 cels ; beny 9 or 18-celled ; polyadelphous 

 (orange, lemon.) Ex. 



Chry'seis. Receptacle dilated, salver- 

 formed ; limb expanding, entire; calyx 

 mitre-form, deciduous ; corolla 4-petalled, 

 inserted by the claws in the throat of the 

 receptacle, and bearing the stamens ; cap 

 sules silique-form, 2-valved; seeds aflixed 

 the margins of the valves. 



