3S5 I 

 ANALYTICAL KEY. 



Calyx A- -nr of either more or less than 6 parts, 



Exogens. 



Calyx A cor together of just 6 parts, petals nev- 



er 5, stamens 3 or 6 or ;-}any with 3 green 



sepals or 1 or 2 united to the style with in- 



ferioTov;-. Endogens. 



POLYPETAL.E calyx i cor both present, the cor 



of separate pet. " 

 A stamens y . at k-ast ^ore thad 10 A more than 



twice the number of pet. 

 lhytiopynous (i.e. on the receptacle free from 



the ovary A calyx. 



*pistiis few-many distinct carpelsor 1 rare. 

 a calpx mostly deciduous; juice of herbage 

 colorless Kanunruiace* 



b calyx tarly cecitincus, juice y'ish Platys- 

 temon" 

 **pistil of 1 carpel forming a pod Acacia 



u compound, cells. pla t entae, or stigmas 



more than I. a OH- more rumen -us toan sep 



twice as many (4 r6), iboth usually caducous 



Papavern 

 A more numerous than the persistent sep 



Portulacaceii? 



b pet of ssmp number as sep 

 4 A both deciduous .................... Capparidacea? 



4 or less, but cleft, A calyx persi-tent Kesa- 



c 



tent, 



set) valvate in bud, sta-v.ens monadelphous 



Malvaceae 

 tep imbricated in the bud 



- .tpp, entire, pellucid-punctate Hypen- 



cacese 



Ivs alt. not y.ur.ctate, plane 

 _ eor ephemeral: 2 outer sep small * bract- 

 lj ke ........... ... ......... ____ ristacea? 



- ror sramopetaious, tubular: sep round 



f ouquiera 



2 pengynous or grpigynous. borne on the 



(either free o r aduate) calyx 



*Fleshy plants 

 Leafless mostly prickly fleshy plants: 



ovary 1-celled. Cactaceae. 

 Leafy "fleshy plants, with 3 or more cells 



to ovary. " Ficoideae. 



Leafy fleshy herbs, with 1-celled ovary. 

 Pcrtulacaceae. 



**Not fleshy. 

 a Ivs opp. simple 



SD * ret ~ ....Calvcanthacese 



^4??V! ............. ..-. ..... Saxlfragace* 



z. Lvs alt with stipules. Rosaceae. 



b Lvs alt without stipules. 



Carpels 2 or more, superior, becoming 



follicles. Crossosoma. 

 Ovary inferior with 3 or more parietal 



placentae 



Fls mainly dioecious: pet minute or 

 none. Datiscaceae. 



Fls perfect; pet conspicuous; Ivs rough. 

 Lcasaceae. 



B Stamens 10 or less, or if more not ex- 

 ceeding twice the number of the petals, 

 or sep when the pet are wanting. 



1. Ovary or ovaries superior or mainly 



ut"sometimS enclosed in the calyx 

 -tubeV 



fpistils more than 1 A distinct 

 *pistilsof sxme number *s pet A as sep. 

 L'-s simple, fleshy. Crassulaceae. 

 Lvs pinate (styles partly united). Lim- 



386 



nanthes. 



* Pistils not corresponding in number 

 with pet or sep. 

 a Sta borne on receptacle Fammculace* 



b. Stamens borne on the caylx. 

 Stiples persistent: Ivs alt. Rosaceae. 

 Stiples caducous: Ivs opp, compound. 

 Staphylea. 



Stipules none or distinct. Saxifragaceae, 

 +tpi?ttl l. 



* * Simple, i. e.. of 1 carpel, as shown by 

 the single style, stigma and cell (the lat- 

 ter sometimes with a false division in 

 Astragalus). 



Anthers opening by uplifted valves or 



tracseversely- Berberida; 

 Anth opening lengthwise or at the top. 

 a legume. Leguminosae. 

 a. Fls irregular Ivs simple. Polygala- 



ceae. 



c. Fls regular. 



V>, punctate.... Cneoridium 



Lvs alt. not punctate, mostly stipulate. 



Fr a drupe or akene. Rosaceae. 



Fr a coriaceous follicle. Glossopetaloru 



* * Pistil compound as shown by the 

 number of cells or placentae, styles or 

 stigmas. 



a. Ovary 1-celled, with (2-4 or rarely 

 more parietal placentae. 



Pet (long-clawed) and teeth of long tu- 

 bular calyx 4 or 5. Frankeniaceae.. 



Pet and sep or lobes of the cleft calyx 5. 



Cor irregular: lower pet spurred. Vlol- 



aceae. 



Cor regular or nearly so. 



* - Styles or sessile stigmas entire. Sax- 

 ifraeaceae. 



les ?,. each 2-parted: placentae 3, 



Drosera^eae, 

 Pet 2, but persistent sep 4; fl irregular. 



Resadaceae. 

 Pet 4, but bract like sep 2: fl irregular. 



Fumariac 

 Pet 4 or 6, sep % as many caducous. 



Papaveraceae. 



Pet 4. sep 4; stamens 6. Capparidaceae. 

 b Ovary and pod 2-celled: 2 placentae 

 parietal:" stamens tetradynamous. Cruci- 



ferae. 

 c. Ovary and capsule 1-celled. several to 



many seeded on a central placenta. 

 Truly so, the partitions wanting or very 



incomplete. 



Sep 2: Ivs often alt. Portulacaceae. 

 Sep or calyx-lobes 5. or sometimes 4: Ivs 

 all opp. Caryophyllaceae. (See also the 

 apetalous Glaux.) 



Apparently so; the partitions at length 

 vanishing 1 . 

 Stipules between the opp Ivs. Elatina- 



ceae 



No stipules. Lythraceae. 

 d Ovary and fr 1-celled with a single sd 



on a stalk from the base. 

 Shrubs: styles- or stigmas 3: fr drupe-like. 



Anacardiaceae. 

 Style at most 2-cleft: stipules scarious, 



Tllecebra^eae. 

 Stinule? 5: calyx scarious. Plumbagina- 



ceae. 



e. Ovary more than 1-celled: sds at- 

 tached to the axis, or base, or summit. 



