lU SYNOPSIS OF THE NATURAL SYSTEM. 



75 Leaves alternate. Floweis 5-partod. - - Campanulacej;. LXXVII. 



75 Leaves opposite. Flowers 5-parted. - - - - Capkifoliace^. LXXl. 



75 Leaves opposite. Flowers 4-parted. Kubiace.e. LXXll. 



76 Plants with a milky juice. Ovaries 2, follicular. ... 86 

 76 Plants with a watery juice. Ovaries not follicubr. . . 77 



77 Stamens opposite to the lobes of the corolla .... 78 



77 Stamens alternate with the lobes of the corolla. ... 79 ,^^v^7 



73 Ovary with 5 stvles and but one seed. - - - Plumdaginace;e. LXXXV. 

 73 Ovary with 1 style and many seeds. Peimulace^e. LXXXIL 



79 Shrubs, trees or under-shrabs. ... SO 



79 Herbs. Leaves opposite or all radical. ... 82 



79 Herbs. Leaves alternate, cauline 84 ^r^^rm 



79 Herbs (vine?) leafless. § Cuscutineje. XGVxli. 



80 Stamens hypoijvnous or slightly cohering to the base of the corolla. . . . 81 



80 Stami'ns inserted on the corolla tube inside. ----- Solanace«. XCIX. 



eO Stamens inserted on the summit of the corolla tube. Diapensiace^. ^^^GVji. 



81 Ovary forming a dry, many-seeded capsule. - - Ericace^. LXXVIII. 



81 Ovary forming a fleshv, 4— 6-seeded drupe. - Aquifoliace.s. LXXIX. 

 82 Leaves with stipules. Corolla bud valvate. - - - - Rubiacek. LXXH. 

 82 Leaves without stipules. ... 83 



83 Ovarv l-ce!led, ope;iingby a lid. Lvs. radical. Plantaqinace;e. LXXXIv. 



83 Ovary I-celled, opening by 2 valves. Leaves cauline. Gentianace^. C. 



83 Ovary 3-celled, opening by 3 valves. Lvs. cauline. Polemoniace«. XCVL 

 84 Ovary 4-parted, separating into 4 achenia. - - - - BoRnAGiNACE.E. XCIV. 

 B4 Ovary compound, not separating, 1-celled. - - - HYr>EOPHYLLACE.E. XCV. 

 84 Ovary compound, not separaiiiiy, 2- or 3-celled. ... 83 



85 Cor. bud twisted-imbricate. Embryo less than albumen. Polemon. XCVL 



83 Cor. bud twisted-plicate. Embryo farmer than albumen. Convolv. XCVIH. 



85 Corolla bud imbricated, not twisted. Verbascum. Scrophulariaces. XCL 



85 C;.rolla laid plicate or iudiiplicate-valvate. - - - - Solanace.e. XCIX. 

 86 Flowers (in umbels) with a 5-lobed carona. - - - - Asclepiadaceje. CH. 

 86 Flowers (in cymes, &c.) with no corona. ------ Apocynace*. CI. 



87 Stamens distinct. Style L Ericaceae. LXXVHI. 



87 Stamens distinct. Styles 4. Ehesacem. LXXX. 



87 Stainens united, all into one set. STVRACACEiE. LXXXL 



87 Stamens united into 2 equal sets (3 & 3). ... 18 (XH.) 



87 Stamens united into 2 unequal sets (9 & 1). ... 34 - - - - (XLVH.) 

 88 Herbs. Calyx adherent to the ovary. . . 89 

 88 Herbs. Caly.x free from the ovary. ... 90 

 88 Shrubs or trees. Caly.K free from the ovary. ... 94 



89 Stamens 4. Linnaa. CAPRiroLiACE.E. LXXL 



89 Stamens 3. Valerianace.e. LXXHI. 



90 Plants brown, leafless. - - - Okobanchace.e. LXXXVH. 



90 Plants. verdant, leafy. ... 91 



91 Leaves all radical and the corolla spurred. - Lentibulace.e. LXXXVI. 



91 Leaves cauline, or if radical the corolla spurless. . 92 

 92 Ovary deeply 4-lobed, forming 4 achenia. ------ Labiat^e. XCIH. 



92 Ovary entire, but splitting into 1—4 little nuts. - - - Verbenace.e. XCII. 

 92 Ovary entire, capsular, 2-carpeled. ... 93 



93 Corolla bud valvate. Capsule (falsely) 4-celled. Pedaliace.b. LXXXIX. 



93 Corolla bud convolute. Capsule 2-celled. - - - - Acanthace.'e. XC. 

 , 93 Corolla bud imbricate. Capsule 2-celled. - - Scrophulariace-e. XCl. 

 94 Flowers regular, diandrous. ... 98 

 94 ^''lowers irregular. ... 95 



95 Shrub climbing or tree diandrous. - - - Bignon-iacb.e. LXXXVIII. 



95 Tree tetradynarnous. Paulotimia. - - - - Scrophulariace.e. XCI. 



96 Corolla imbricated and twisted in the bud. Jasminace.e. CIH. 



96 Corolla valvate in the bud. - Oleacejs. ClV. 



§ 4. Orders of tlie Apetalous Exogeus. 



97 Herbs with alternate leaves, or leafless. ... 98 



97 Herbs with opposite or verticiliite leaves. . . . 106 



97 Siirubs or trees. Leaves alternate. . . .. 115 



97 Shrubs or trees. Leaves opposite. . . . 125 

 93 Stipules sheathing the stem. Lvs. simple, entire. - - Polygonaces. CX. 

 93 Stipules not sheathing, serrate. Leaves pinnate. ... 15 - - - (XLVHL) 

 98 Stipules 0, or if any, not sheathing or serrate. ... 99 



99 Flowers with a regular calv.-s or an involucre. . . . 100 



