ANALYSIS OF THE NATURAL OUDERS. 193 



h Stamens 5, alternate with the 5 petals. Seeds 00. Linaoe^. So 



h Stamens 5, opposite to the 5 petals. Seed 1. Okdkb. 80 



h Stamens 10, the filaments united at the base. Oxalidace^. 32 



h Stamens 6 — 24 (twice as many as the petals), distinct. CjEAssuLAut^. 60 

 i Ovary one-celled. Leaves radical, irritable. Dboseeace^. 19 



i Ovary 2 — 5-oelled.— Leaves dotleas, mostly radical. Oedke. 73 



—Leaves dotted. Cauline, pinnate. Edt4oe^. 37 



j Styles 5 or more. Ovary 1-celled, half-adherent. Sepals 2. Poetolaoaoe^. 22 

 j Stylo 1, carpels as many as the petals (2 — 6). Onageacej!. 52 



j Styles 2, carpels 2, fewer than the (5) petals. Seeds several. Saxifeaoaoeji. 61 

 j Styles 2, carpels 2, fewer than the (5) petals. Seeds two. TTmbelifeh/e. 63 



j Styles S — 5, ovary 3 — 5-oelled, 3 — 5-seeded. Aealiaoe^. 64 



k Ovariea many, or few, rarely 1, always simple. Eandnoduice^. 1 



k Ovary compound, S-oarpeled, open before ripe. Eesedaoe^. 15 



1 Sepals 2. Petals 4 (2 pairs). Stam. 6. Spurs 1 — 2, blunt. Fumaeiace.si. 12 

 1 Sepala 5, very unequal. Petals 8. Stam. 6 — 8. No spur. Polyoalace^. 45 

 1 Sepals 4, petals 2, all colored alike. Spur slender. Balsamoace/E. 34 



I Sepals and petals each — i, not very irregular. No spur. Cappaeidaoeje. 14 

 — 5. Stamens 8. Spur slender. TEOPiEoLACE^. 36 



— 5. Stamens 5. Spur blunt or none. Violaoe^. 16 

 — 5. Stam. 10 (or more). Fr. a legume. Legdminos^. 46 

 m Pistils many, entirely distinct, simple. Eanunculace^. 1 



m Pistils 3 — 5, united more or less completely. Hyfeeicaoe*. 1& 



m Pistils 5 — 10, united, with sessile stigmas and many petals. Mesembryace^. 23 

 n Pistil solitary, simple. Petals 6 — 9. Stamens 12—18. Berbebidace^. 6 



n Pistils 3 or more, distinct, simple. Flowers all symmetrical. Cras^clace-^. 60' 

 n Pistils 2, consolidated with the 5 stamens. Juice milky. Okdee. 97 



o Carpels as many as the sepals. Anthers open at the top. MELAsroMAOEyK. 50- 

 o C&Tffls as many as the sepals. Anthers open laterally. Onaqrace^. 62 



o Carols fewer than the sepals,— CO-seeded. Styles 2. Saxiheaoaoe*. 61 

 — ^1-seeded. Styles 2 or 3. Abaliace^. 64 



— 1-aeeded. Style 1 (double). Cornace.s. 65 

 p Style 3 cleft at the summit. PoETDLAOAOEis. 22 



p Style and stigma 1, undivided. Okdeb. 78 



q Leaves pinnate, with interpetiolar stipules. Ztgophyllace^. 33 



q Lvs. simple, toothed or lobed. Flowers cruciform. Stamen3.6. CBuoiEERiB. 13 



q Lvs. simple, toothed or lobed. Flowers 5-merous. Stamens 10. Geeamiaoe^. 31 

 q Leaves simple, entire, (qq) 

 qq Petals and stamens on the throat of the calyx. Lttheace^. 51 



qq Pet. hypogynous. — FIs. irregular, unsymmetrioal. Poltgalaoe^. 46 



— FIs. regular — 2 (or S)-parted throngliout. Elatinaoe>«. 20 

 — 5-parted. — Leaves punctate. HypEEicACEiB. 18 

 — Lvs. dotless. Oartophtllaoejb. 21 

 r Pistil a simple carpel, becoming a legume. Stamens 10 — 100. Legdminosj;. 46 

 r Pistil compound, — 3-carpeled. FIs. perfect. Lvs. digitate. Sapindace.b. 41 



— 3-carpeled. FIs. monoecious. Cultivated. Begoniace*. 59 

 — 5-carpeled. — Stipules present. Cultivated. Geeaniaoe.b. 31 

 —Stipules none. Native. Ebioao£«. 73 



8 Stamens on the receptacle, in several sets. Leaves dotted. Htpeeicaoe^. 18 



g Stamen on the calyx. — Ovaries many, free, but enclosed. Caltoanthace*. 48 



— Ov. compound, free in the bell-shaped eal. Ltthbacea;. 51 

 — Ov. adherent. — Lvs. with a mar^al vein. Mtetaoe^. 49 

 — Lvs. with no marg. vein. Saxifraoaoe^. 61 

 t Petals imbricate or valvate in sestivation. (u) 



t Petals convolute. — Anthers i -celled, turned inwards. Maevace*. 94 



— Anthers 2-celled, turned outwards. Steeoduaoii^. 26 



13 



