132 SYNOPSIS OF THE NATURAL SYSTEM. 



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



30 Pods 3 — 6-carpeled, one-celled. Resedace;e. XV 



31 Ovaries (3 — 20) as many as the sepals. Cbassulace;e. LXIV 



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



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



32 Flovi'ers in racemes, solitary, &c. --------- Onaghaces. LV 



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

 33 Carp. 2 — 6, inseparably combined into a berry or drupe. Ahaliace^e. LXVIII 



34 Flowers regular. --.... 35 



34 Flowers irregular. --------------- 36 



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

 35 Stamens distinct. ------------ Rosacea. XL VIII 



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



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



37 Caps.with 3 broad wings. Monoecious and monadelphous. Begoniace.e. LVIII 

 37 Capsule not winged. Flowers perfect. ...... VioLACEiE. XVII 



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



38 Stipules none. ---------------------41 



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

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



40 Sepals, petals and stamens 5. - ------- Jllecebrace*. XXII 



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



41 Flowers very irregular. Polygalaceje. XVI 



41 Flowers regular or slightly unequal. - .-... ..49 



42 Ovaries inferior. .-.-.-.-.43 



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



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

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



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

 44 Involucre 0. Leaves (3 only, compound, lxviii.) many. - Onageace*. LV 



45 Ovaries 00, distinct, simple, acheniate, caudate. - - - Ranunculace^. I 



45 Ovaries compound, (or simple, with 2 Ivs and I. fl. vi.) 46 



•16 Sepals 2, fewer than the petals. PoRTULACACEi:. XXIV 



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



47 Styles united into one. --- ......---48 



47 Styles distinct. 49 



48 Sepals equal, combined into a tube. --------- Lythrace*. LIl 



48 Sepals unequal, nearly distinct. - CisxACEiE. XIX 



49 Stamens hypogynous (arising from the receptacle). 50 



49 Stamens perigynous (arising from the calyx). 51 



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



50 Ste^ often ancipltal. Leaves with pellucid and black dots. Hypehicace.e. XX 



51jBtamens 20 or more, indefinite. Exotic. - - - Mesembrvace.e. LXII 



5]^tamens fewer than 20, definite. -----52 



52 Cupels (follicles) distinct, always as many as the sepals. Chassulaceje. LXI V 



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



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



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



54 Leaves opposite. ....- 55 



54 Leaves alternate. --......--.---------65 



55 Stipules present, deciduous. -----... Celastrace.e. XLV 



55 Stipules none. ---..--.--. 56 



56 Flowers irregular. Hippocastanace*. 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.e. XX 

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



60 Styles united into one. Myrtace;e. L 



60 Styles 4, distinct. § Philapelphe^. LXV 



61 Ovary superior. --------------- -----g2 



61 Ovary inferior. --------- ..---..----(;3 



62 Fruit a one-celled capsule. Depressed shrubs. Cistace^. XIX 



62 Fruit 2 united samarce (116, 10). Erect shrubs and trees. - Acerace^e. XLll 

 C2 Fruit a 2-seeded berry. Climbing by tendrils. - - - ViTACEiE. XXXVIII 



