ANALYSIS OF THE NATURAL ORDERS. 193 



h stamens 5, alternate with the 5 petab. Seeds 00. LnjAOE^. So 



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



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



h Stamens 6 — 24 (twice as many as the petals), distinct. Ckassolaoeje. 00 

 i Ovary one-celled. Leaves radical, irritable. Dboseeacej!. 19 



i Ovary 2 — 5-eelled.— Leaves dotless, mostly radical. Oedek. 73 



—Leaves dotted. Cauline, pinnate. Rvtaoke. 37 



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

 j Style 1, carpels as many as the petals (2 — 6). OHAOKAOEiE. 52 



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

 j Styles 2, carpels 2, fewer than the (5) petals. Seeds two. Umbelifee^. 63 



j Styles 3 — 5, ovary 3 — 5-eelled, 8 — 5-seeded. Abauaoe^. 64 



k Ovaries many, or few, rarely 1, always simple. Eahdhodlaoe^. 1 



k Ovary compound, S-carpoled, open before ripe. EesedaoejE. 15 



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

 1 Sepals 5, very unequal. Petals 3. Stam. 6 — 8. No spur. Poltgalace^. 45 

 I Sepals 4, petals 2, all colored alike. Spur slender. Balsaiosaoe^. 34 



1 Sepals and petals each — 4, not very irregular. No spur. Cappaeidaoe;e. 14 

 — 5. Stamens 8. Spur slender. Thopjbolace^. 35 



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

 — 5. Stam. 10 (or more). Fr. a legume. Leguminos^. 48 

 m Pistils many, entirely distinct, simple. EANUNonLACEiB. 1 



m Pistils 3 — 5, united more or less completely. HTPEEioAOEiE. , 18 



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

 11 Pistil solitary, simple. Petals 6 — ^9. Stamens 12 — 18. Bebbesidaoe^. 6 



n Pistils 3 or more, distinct, simple. Flowers all symmetrical. Ceassuiaoe^. 60 

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



o Carpels as many as the sepals. Anthers open at the top. Melastomace^e. 50 

 o Carpels as many as the sepals. Anthers open laterally. OnageaoejB. 52 



o Carpels fewer than the sepals, — OO-seeded. Styles 2. Saxifbagace*. 61 

 — 1-seeded. Styles 2 or 3. Aealiaoejb. 64 



— 1-seeded. Style 1 (double). Coehace^. 65 

 p Style 3 cleft at the summit. PoETimACACE-s:. 22 



p Style and stigma 1, undivided. Oedee. 78 



q Leaves pinnate, with iuterpetiolar stipules. Zygophyllace^. 33 



q Lvs. simple, toothed or lobed. Flowers cruciform. Stamens 6. Cbucifee^. 13 

 q Lvs. simple, toothed or lobed. Flowers 5-merou8. Stamens 10. Geeamiaoe^. 31 

 q Leaves Smple, entire, (qq) 

 qq Petals and stamens on the throat of the calyx. LYTHEACEiE. 51 



qq Pet. hypogynous.-^Fls. irregular, unsymmetrical. PoLYaAiji.csjB. 46 



— ^Fls. regular — 2 (or 3)-parted throughout. Elatinaoe.«. 20 

 — 5-parted. — Leaves punctate. Hypeeicaoe^. 18 

 — Lvs. dotless. Caeyophyllace^. 21 

 r Pistil a simple carpel, becoming a legume. Stamens 10 — 100. Legominos^. 46 

 r Pistil compound, — 3-carpeled. Fls. perfect. Lvs. digitate. SAPiNDACEis. 41 



— 3-oarpeled. Fls. monoecious. Cultivated. Begoniace^. 59 



5-carpeled. — Stipules present. Cultivated. Geeaniace*. 31 



— Stipules none. Native. EKiOAOEiB. 73 



g Stamens on the receptacle, in several sets. Leaves dotted. Hypeeicace*. 18 



s Stamen on the calyx.— Ovaries many, free, but enclosed. Calyoanthace^. 48 



— Ov. compound, free in the bell-shaped cal. Lttheace^. 51 



— Ov. adherent.^Lvs. with a marginal v^. Myktace^. 49 



— Lvs. withnomarg. vem. Saxifkagaob^. 61 



t Petals imbricate or valvate in aastivation. (n) 



t Petals convolute. — ^Anthers i -celled, turned inwards. MalvacbjE. 24 



— ^Anthers 2-celled, turned outwards. SiBROULiACaffi. 25 



13 



