66 



CLASS XVI. ORDER X. 



ed, inner 5-leaved, unequal ; seed 1, cover- 

 ed by the converging calyx. S. 



Philox^'ehus. Cal.yx 5-parted ; corolla 

 none ; stamens united at the base into a 

 small entire cup, .shorter than the germ ; 

 anthers 1-celled; stigmas 2; bladder-like 

 capsule membranaceous, 1-seeded, valve- 

 less. ^. 



Malachoden"duon'. Calyx bracted ; pe- 

 tals 56; limb crenulate ; germ 5-striate ; 

 stigmas capitate ; cap.sules 5, united, seed 

 I. S. 



OKDKR Vll. HEPTANDRIA. 



Pklargo'nium. Calyx 5-parted, upper 

 division broader, ending in a capillary nec- 

 tariferous tube ; corolla 5-petalled, irregu- 

 lar ; the 2 upper petals usually broader, 

 witli colored veins ; fihiments ]0, 3 of them 

 usually without anthers; arils 5, each 1- 

 eeeded, awned ; some of the awns spiral, 

 (stork geranium.) PJx. 



ORDER VIII. OCTA.NDUIA. 



Pis'tia. Spatha ligalate, hooded; co- 

 rolla ; filament lateral ; anthers 3 to 8 ; 

 style 1 ; capsule 1-celled, many-seeded. S. 



ORDKR X. DECANDRIA. 



Gera'mUxM. Calyx 5-leaved ; coroha 5- 

 petalled, regular; nectariferous glands 5, 

 adhering to the base of the 5 alternating 

 long filaments ; arils 5, 1-secded, awned, 

 beaked at the elongated top of the recep- 

 tacle ; awn naked or .«mooth within, straight, 

 (r.ranebill, false crowfoot, herb robert.) 



Aca'cia. Polygamous; calyx tubular, 5- 

 toothed ; petals 5 ; stamens 5 to 10, exsert ; 

 pod 1-celled, 2-valved. 



Darlixgto'nia. CaljTC bell-form, 5-7- 

 toothed ; petals 5, di.stinct ; stamens 5 to 10, 

 sub-exsei't ; legume bivalve, juiceless, small- 

 Bceded, lanceolate-falcate. 



Schrank"ia. Mimo'sa. Polygamous; 

 caljTC 5-toothcd, tubular; petals 5; stamens 

 8 to 10, ex.sert; pod 4-valved. 



ORDER XII. POLYANDRIA. 



Si'da. Abu'tillon. Calyx simple, an- 

 gular, 5.-cleft ; style many-parted ; capsules 

 many, arranged circularly, 1 celled, 1 or 3- 

 seeded ; pedicel articulate under the apex. 

 (Indian mallow.s.) 



Ar/'TH.EA. Calyx double, outer one 6 or 

 9-cleft; cap.sules many, arranged circulai'ly, 

 1 seeded, (hollyhock.) 



M al"va. Calyx double, outer one 3-lea,v- 

 ed, inner one 5-cleft ; capsules many, ar- 

 ranged circularly, 1-celled, 1-seeded. (mal- 

 lows.) 



Malvavis"cus. Calyx surrounded by a 

 many-leaved involucre ; petals erect, convo- 

 lute ; stigmas 10 ; carpels 5, 1-sceded, some- 

 times sub-distinct, and often united in 5- 

 celled fniit. 



Hinis"cus. Calyx double, outer one 

 "any-leaved ; inner one about 5-cleft ; stig- 

 mas 5 ; capsule 5 or lO-celled, many -seeded, 

 (marsh mallows.) 



Lavate'ra. Calyx, double, outer one 3- 

 cJeft ; capsules many, seeds numerous. Ex. 



STUART"rA. Calyx .'? parted ; petals 5 : 



stigma 5-lobed ; capsule 5-celled, 5valved 

 cells 1 or 2-seeded ; seeds long, ovate. <S 



Ho'l-EA. Calyx superior, 5-cleft ; petals 

 5 ; stamens united in 5 groups ; style 1 

 ! drupe 3-celled. (yellow -leaf.) S. 

 1 NuTTAL^LiA. Calyx 5-cleft, simple ; cap- 

 j eules many, 1-seeded, annular. S. 

 I Hale'sia. Calyx superior, 4-toothed ; co- 

 j rolla 4-cleft ; imt 4-sided, winged, covered 

 I with bark ; 2 to 4-celled, 2 to 4-seeded. 

 (snow-drop-trce.) iS. 



Mal"ope. Calyx double, the exterior 

 one 3-leaved ; capsules clustered withoul 

 order, 1-seeded. iS. 



St y 'rax. Calyx inferior, bell-form, 5- 

 toothed ; corolla 5 to 7-parted ; stamens 6 

 to 1(3, united at the base, standing in the 

 throat of the corolla ; anthers oblong, lin 

 ear. S. 



Gordo'nia. Calyx connate at the base 

 simple, 5-leaved ; style 5-sided ; stigmas 5 

 cap.sule 5-celled, 5-valved ; receptacle co- 

 lumnar; cells 2seeded ; seeds winged. S. 

 GossYP"iUM. Calyx double, outer one 3- 

 cleft ; capsule 4-celled ; seeds involved in a 

 tomentose mas^ (cotton.) Ex. 



CLASS XVL DIADELPHIA. 



, ORDER V. PENTANDRIA, TO ORDER VIII. 

 I octandria, or PENTOCTANDRIA. 



I Coryda'lis. Calyx 2-leaved ; corolla rin- 

 ! gent, 1 or 2-spurred at the base ; filaments 

 j 2, membranaceous, each Avith 3 anthers ; 

 I capsules siliqiTe-like, 2-valved, compressed, 

 I many-seeded. In some species the stamens 

 1 are separate, ^vith broad membranaceous 

 I bases, (colic-weed.) 



I Diely'tra. Petals 4, 2 outer ones equal- 

 ly spuiTcd at the base ; pod 2-valved, many- 

 seeded. (Dutchman's breeches.) 

 j Fuma'ria. Calyx 2-leaved, caducous; 

 corolla iiTegular, spuired, or gibbous at the 

 base of one petal ; filaments 2, each with 3 

 anthers ; capsules or silicle drupe-like, 1- 

 celled, 1-seeded, not opening by valves ; 

 seeds affixed to the side of the cell, (fumi- 

 toiy.) 



I Adlu'mia. Sepals 2 ; petals united in a 

 I spongy persistent ; monopetalous corolla, bi- 

 gibbous at the base, 4-lobed at the apex ; 

 capsule pod-shaped, linear-oblong, many- 

 seeded. 



Petalos^teiviox. Petals 5, nearly equal 

 4 petals alternating with the stamens, ana 

 forming with them a cleft tube ; legume iR- 

 eluded in the calyx, 1-seeded. S. 



Polyg"ala. Calyx 5-leaved, permanent, 

 unequal, 2 of the leafets wing-like, larger, 

 colored; corolla irregular (or rather calyx 

 3-leavcd; corolla imperfectly papiliona- 

 ceou.s) ; capsule obcordate, 2-celled, 2- 

 valved ; keel of the corolla sometimes ap- 

 pendaged ; seeds hairy (snake-root, milk- 

 wort, low centaury, mountain-fiax). 



order X. DECANDRIA. 



A. Legume u-'dhout transverse divisions oi 

 partitions ; seeds numerous. 



Pi'suM. Calyx with the divisions leaf-like 

 aho.if ...iiiol- banner protruding 2 f-.I.!-. 



