SYNOPSIS OF THE NATURAL SYSTEM. 135 



118 Stipules (pchreae) sheathing the stem above the nodes. - POLYGONACES:. CX 



118 Stipules 0, or not ochreate. 119 



119 Fruit capsular, 3-carpeled, 3-seeded, tripartible. - - EUPHORBIACEJE. CXXI 

 119 Fruit baccate, 10-carpeled, 10-seeded. Fls. purple. PHYTOLACCACE.E. CXI 

 119 Fruit capsular, 3 6-celled, many-seeded. ------___. 120 



119 Fruit 4-seeded. Calyx 0. Stamens 7. - - - - SAURURACEJE. CXVII 



119 Fruit a solitary, 1-celled, 1-seeded utricle. 121 (or many distinct achenia. 13) 



120 Flowers with a petaloid or colored calyx. Aerial. - - ARISTOLOCHIACE^E. CV 



120 Flowers with a green calyx or 0. Aquatic. - - - PODOSTEMIACE.E. CXX 



121 Sep. white, petaloid, connected to the anthers by threads. SANTALACEJE. CXIII 



121 Sepals green, minute. --_ 122 



121 Sep. dry and scarious, with scarious bracts around. AMARANTHACE.E. CVIII 



122 Flowers perfect. - CHENOPODIACE*:. CVI 



122 Flowers moncecious or dioecious. URTICACE.E. CXXX 



123 Stipules present. URTICACE.E. CXXX 



123 Stipules none. 124 



124 Flowers monochlamydeous (with calyx only). --.---____ 125 



124 Flowers achlamydeous (with neither calyx or corolla.) 129 



124 Flowers with a calyx-like involucre ; capsule 3-seedea. EUPHORBIACE.E. CXXI 

 125 Stamens numerous, indefinite. Sepals distinct, colored. ----- 13 



125 Stamens 10. Calyx green. - SCLERANTHACE.E. CVII 



125 Stamens 1, 3, 4, 5, 8. 126 



126 Calyx large, colored, limb entire, funnel-shaped. - - NYCTAGINACEJE. CIX 



126 Calyx small, limb 3 5-lobed, or annular. 127 



127 Ovary (inferior) adherent to the calyx tube. 32 



127 Ovary (superior) free from the calyx. ------ 128 



128 Capsule 1-celled, 5-seeded. Calyx colored. 101 



128 Capsule 1-celled, 00-seeded. 50 



128 Capsule 2 4-celled, 00-seeded. 48 



128 Utricle 1-seeded. Calyx dry, with dry, colored bracts. AMARANTACE.E. CVIII 

 129 Leaves verticillate. Ovary 1-secded. - - - CERATOPHYLLACE.E. CXVIII 



129 Leaves opposite. Ovary 4-seeded. CALUTRICHACE^E. CXIX 



130 Leaves alternate. - - 131 



130 Leaves opposite. Flowers declino us. 133 



131 Stipules present, often deciduous. 132 



131 Stipules none. 139 



132 Juice milky. - MORE*. CXXX 



132 Juice watery, &c. v 133 



133 Flowers not in aments, mostly perfect and monochlamydeous. - - - 134 

 133 Flowers amentaceous, diclinous. -------_-____ 135 



134 Ovary inferior. Capsule 3 6-celled. ------ ARISTOLOCHIACE.E. CV 



134 Ovary superior. Samara or drupe 1-seeded. Trees. - - - ULMACEJE. CXVI 

 135 Aments pistillate and staminate, globular and pendulous. Trees. - - 137 

 135 Aments pistillate and staminate, cylindric and oblong. ----- -136 



136 Ovary 1-celled, 1-ovuled, in fruit 1-seeded. - - - - MYRICACEJE. CXXVI 



136 Ovary 2-celled, 2-ovuled, in fruit 1-seeded. BETULACE^E. CXXV 



136 Ovary follicular, 00-ovuled, in fruit 00-seeded. - - - SALICACE',E. CXXVII 



137 Fruit 2-celled, several-seeded. - BALSAMIFLUJE. CXX VIII 



137 Fruit a 1-seeded, clavate nut. PLATANACEJS. CXXIX 



133 Samara double, winged. 62 



138 Achenium enclosed in the berry-like calyx tube. - - - - ELEAGNACE^E. CXV 

 138 Fruit capsular, of 3, 1-seeded, slightly united nuts. - - EUPHORBIACE.E. CXXI 



139 Fruit 1-celled (ovary 1 2-ovuled). - - - 140 



139 Fr. 3 9-celled. Fls. perf. Evergreen undershrubs. EMPETRACEJE. CXXII 

 140 Both pistillate and stamin. fls. in oblong aments. Shrubs. MYRICACEJE. CXX VI 



140 Only the staminate flowers in aments. Trees. 142 



140 None of the flowers amentaceous. -----------___ 141 



141 Ova. inferior. Fls. greenish. Drupe blue. Large trees. SANTALACEJE. CXIII 



141 Ova. super. Fls. greenish, deeply cleft. Shrubs or sm'll tr's. LAURACEJE. CXII 



141 Ova. superior. Fls. tubular, yellow or white. Shrubs. THYMELACE.E. CXIV 



142 Leaves pinnate. ----_,------ JUGLANDACE^E. CXXI1I 



142 Leaves simple, straight-veined. CUPULIFER.E CXXIV 



Sec. V. Orders of the Aglumaceous Eudogens. 



143 Veinlets of the leaves diverging from the midvein. ._- 156 



143 Veinlets of the leaves all parallel with the midvein. 144 



143 Veinlefs of the leaves reticulated. 160 



