132 SYNOPSIS OF THE NATURAL SYSTEM. 



30 Pods 2-carpeled, one-celled. Capparidace^. XIV 



30 Pods 3 — 6-carpc!cd, one-celled. -- RESEDACEiC. XV 



31 Ovaries (3 — 20) as many as the sepals. ----- Crassulace^. LXIV 



31 Ovaries (2) fewer than the sepals. Saxifragace.e. LXV 



32 Flowers in simple or compound umbels. ------- 33 



32 Flowers in racemes, solitary, &c. --------- Onagrace^. LV 



33 Carpels 2, dry, separable, 1-seeded, indehiscent. - - Umbellifer^. LXVII 



33 Carp. 2 — 5, inseparably combined into a berry or dnipe. Araliace^. LXVIII 



34 Flowers regular. - -- 35 



34 Flowers irregular. 36 



35 Stamens monadelphous (74, xvi). ------ Malvace^. XXXVII 



35 Stamens distinct. -.-. Rosacea. XLVIII 



36 Fruit a three-celled capsule. --- 37 



36 Fruit a legume (116, 4). Leguminosje. XLVIj 



37 Caps, with 3 broad wings. Monoecious and monadelphous. Begoxiace^. LVIIJ 

 37 Capsule not winged. Flowers perfect. ------ Violace^. XVII 



35 Stipules present, sometimes minute. -------- 39 



38 Stipules none. 41 



39 Ovaries 5, distinct and one-seeded in fruit. - - - Geraniace.e. XXVII 



39 Ovary compound, 1 — 5-celled. - 40 



40 Sepals, petals and stamens 5. Illecebrace^. XXII 



40 Sepals, petals, stamens and styles 2 or 3. Aquatic. - Elatinace^. XXV 



41 Flowers very irregular. Polygalace^. XVI 



41 Flowers regular or slightly unequal. - ----- -42 



42 Ovaries inferior. ----- 43 



42 Ovaries superior. --------------- 45 



43 Calyx adhering only to the angles of the ovary. - - - - MELAsxoMACEiE. LI 

 43 Calyx tube wholly adherent to the ovary. --- 44 



44 Involucre 4-leaved, white, subtending the small cyme. - - - Cornace^:. LXIX 

 44 Invol. 0. (Lvs. 2 only. Berb. vi. Lvs. 3, Comp. Aral, lxviii.) Onagrace^. LV 



45 Ovaries 00, distinct, simple, acheniate, caudate. - - - Ranunculaceje. I 



45 Ovaries compound. 46 



46 Sepals 2, fewer than the petals. Portulacace^. XXIV 



46 Sepals 3 — 5, more or less united. 47 



47 Stvles united into one. 48 



47 Styles distinct. 49 



43 Sepals equal, combined into a tube. --------- Lythrace^. LII 



48 Sepals unequal, nearly distinct. - -- Cistace^. XIX 



49 Stamens hypogynous (arising from the receptacle). 50 



49 Stamens p'erigynous (arising from the calyx). 51 



50 Stem tumid at the nodes. Leaves not punctate. - Caryophyllace^. XXIII 



50 Stem often ancipital. Leaves with pellucid and black dots. Hypericace^. XX 



51 Stamens 20 or more, indefinite. Exotic. - - - Mesembryaceje. LXII 



51 Stamens fewer than 20, definite. -----52 



52 Carpels (follicles) distinct, always as many as the sepals. Crassulace^. LXIV 



52 Carpels 2 — 5, partly or completely united. 53 



53 Embryo coiled around the albumen. Styles 3 — 5. Caryophyllace^. XXIII 

 53 Embryo straight, in the midst of the alb. Styles 2. - Saxifragace^. LXV 



54 Leaves opposite. ---------- _--55 



54 Leaves alternate. -65 



55 Stipules present, deciduous. CelastracejK, XLV 



55 Stipules none. - 56 



56 Flowers irregular. Hippocastanaceje. XLIII 



56 Flowers regular. -------- 57 



.57 Stamens (00) indefinite, 20 or more. 58 



57 Stamens definite, fewer than 20. 61 



58 Ovary superior (§ 97). . - . 60 



58 Ovary inferior. 59 



59 Ovary compound, of 3 — 5 carpels. Leaves dotted. - - Hypericace^. XX 

 59 Ovaries 00, simple, enclosed in the fleshy calyx. - Calycanthace.e. XLIX 



60 Styles united into one. Myrtace^. L 



60 Styles 4, distinct. - - § Philadelpheje. LXV 



61 Ovary superior. - 62 



61 Ovary inferior. - 63 



62 Fruit a one-celled capsule. Depressed shrubs. CisTACEiE. XIX 



62 Fruit 2 united samarcE (116, 10). Erect shrubs and trees. - Acerace.k. XLII 

 62 Fniit a 2-8ec<led berry. Climbing by tendrils. - - - Vitace^. XXXVIII 



