SYNOPSIS OF THE NATURAL SYSTEM. 13& 



U8 l^tipules (ochrea&) sheathing the stem above the nodes. - Polygonaceje. CX 



118 Stipules 0, or not ochreate. 119 



119 Fruit capsular, 3-carpeied, 3-3eeded, tripartible. - - Euphohbiaceje. CXXI 

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



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



119 Fruit 4-seeded. Calyx 0. Stamens 7. - - - - SAUKrHAcEJB. 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. - - Aristolochiaceje. C V 



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



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



121 Sepals green, minute. -- 122 



121 Sep. dry and scarious, with scarious bracts around. Amaranthace^. CVIII 



122 Flowers perfect. Chenopodiaces. CVI 



122 Flowers monoecious or dioecious. ------- Urticaceje. CXXX 



123 Stipules present. Urticaceje. CXXX 



123 Stipules none. 124 



124 Flowers monochlamydeous (with calyx only). 125 



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



124 Flowers with a calyx-like involucre; capsule 3-seeded. Eitphoebiaceje. CXXI 

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



125 Stamens 10. Calyx green. Scleraj?thacejb. 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. AMARANTACEiE. CVIII 

 129 Leaves verticillate. Ovary 1-seeded. - - - Ceratophyllace^. CXVIII 

 129 Leaves opposite. Ovary 4-seeded. ----- CALUTRicHACEiE. CXIX 



130 Leaves alternate. ------131 



130 Leaves opposite. Flowers declinous. -------- 138 



131 Stipules present, often deciduous. 132 



131 Stipules none. 139 



132 Juice milky. § Moke*. CXXX 



132 Juice watery, &c. -----._--- 133 



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



133 Flowers amentaceous, diclinous. 135 



134 Ovary inferior. Capsule 3 — 6-celled, Aristolochiace*. CV 



134 Ovary superior. Samaraor 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. - - - - Myhicaceje. CXXVI 



136 Ovary 2-celled,2-ovuled, in fruit 1-secded. Betulace^. CXXV 



136 Ovary follicular, 00-ovuled, in fruit 00-seeded. - - - Salicace'^. CXXVII 



137 Fruit 2-cellcd, several-seeded. Baleamifluje. CXXVIII 



137 Fruit a 1-secded, clavate nut. PlatanacejS. CXXIX 



138 Samara double, winged. 62 



138 Achenium enclosed in the berry-like calyx tube, - - - - Eleagnace^. CXV 

 138 Fruit capsular, of 3, l-seeded, slightly united nuts. - - EuphorbiacejB. CXXI 



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



139 Fr, 3— 9-ceHed. Fls, perf. Evergreen undcrshrubs, Empetraceje, CXXII 

 140 Both pistillate and stamin. fls. in oblong aments. Shrubs. Myricaceje. CXXVI 



140 Only the staminate flowers in aments. Trees. 142 



140 None of the flowers amentaceous. 141 



141 Ova. inferior. Fls. greenish. Drupeblue. Large trees. Santalacejb. CXIII 

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

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



142 Leaves pinnate. - JuoLANDACEiK. CXXIII 



142 Leaves simple, straight-veined. -------- Cupulifehjb CXXIV 



Sec. A\ OrdcFH of the Aglumaccous Endogens. 



143 Veinlcts of the leaves diverging from the midvein. - - - 156 



143 Veinlcts of the leaves all parallel with the midvein, Jj* 



143 Veinlcts of the loaves reticulated. 160 



12* 



