SYNOPSIS OF THE NATURAL ORDEBS. 13 



LXXXII. Gesnebace^, Cal. 5-lobed, valvate. Cor. often 2-lipped ; 

 lobes 5, imbr. Stam. 2-5, often only 2 perf. ; anth. more or less conflu- 

 ent. Ovary 1-celled ; ovules many, on 2 parietal placentas. Caps. 

 2-4-valvedj many- seeded.— Herbs with altern. opp. or whorled leaves ; 

 stip. 0. 



LXXXIII. BiGNONiACBiE. Cal. campan. or spathulate. Cor. campan- 

 or tubular, 5-lobed. Stam. 4, didynamous, or 5. Dislc cushion-like 

 or annular. Ovary 2-celled by confluence of placentas ; oTules many. 

 Ca]ps. elongate, 2-celled and 2-valved, septum thick. Seeds large, 

 winged, endosp. 0.— Trees with opp. compound leaves. Fl. in racemes 

 or panicles. 



LXXXIV. PEDALiACEiE. Oai.5-part.Cor. ventricose, sub-2-lipped ; 

 lobes 5, imbr. in bud. Stam. 4, didynamous, or 5. Ovary 1-celled, or 

 2'4-celled by confluence of pariet. placentas ; ovules 2 or more, super- 

 posed, stigmas 2. i^rwit dehiscent (beaked with spines in Martynia). — 

 Herbs with opp. or altern. leaves. PI. axillary, large. 



LXXXV. AcANTH ACBiE3. Cal. 4i-5part., or (in Thunhergia) many- 

 part. Cor. ii-lipped, or upper lip wanting ; lobes imbr. or contorted. 

 Stam. 4 or 2; anth. 2-or 1-celled. Ovary 2-celled; ovules 1 or more, 

 superposed in each cell, style usually bifid. Caps, loculicidal. Seeds 

 usually compressed and often hairy. — Herbs or shrubs, with opp. simple 

 exstip. leaves. Inflor. various ; fl. often with conspicuous bracts. 

 ***.» Flowers mostly irreg. and 2-lipped. Cal. infer. Ovary-cells I'ovuled 

 or ovules 2 and collateral. Fruit indehiscent. 



LXXXVI. Verbenaceje. Flotvers Teg. or not. Cal. 2-or 4-6-part, 

 2-lipped or not, persist. Cor. 4-6-lobed, 2-lipped or not. Stam, 4, 

 didynamous, rarely more or 2. Dish present. Ovary 2-4-celled (1-celled 

 in Verbena), cells. 1 2-ovuled. Fruit usually a drupe, rarely capsular, 

 — Herbs shrubs or trees, with opp. or ternate simple or compound 

 leaves ; stip. 0. Fl, in heads, spikes or racemes. 



LXXXVII. Labiate. Flotvers iiveg. Cal. 5 rarely 6-10-cleft, persist. 

 Cor. 2-lipped or upper lip 0, rarely nearly reg., 4)-5-lobed,) Stam. 4, 

 didynamous; anth. i or 2-celled. Disk present. Ovary 4-lobed, or 

 of two 2-celled carp. ; ovules solitary and erect in each cell ; style 

 slender, usually bifid. Fruit of 4 small indehiscent nutlets.— Herbs or- 

 undershrubs, usually aromatic. Stem usually 4-gonous. Leaves opp,, 

 or whorled, stip 0. Fl. in cymes or fascicles or whorledl 



An order of doubtful affinity, 

 LXXX\n. Plantagine,^:. (Plantago). Fl. reg. Cal. infer. -, 

 sepals 4, imbr., persist. Cor. scarious, tubular ; lobes 4, imbr. Stam. 

 4, on cor.- tube ; fil. long, flexuous. Ovary 2 celled, with many ovules in 

 each cell. Caps, circamsciss* Seeds peltate.— Scapigerous perennial 

 herbs. Leaves radical. Fl. in spikes. 



Division III. Monoclilamydese. Perianth single, rarely 0. Lobes 

 or segments 1-seriate, or if 2 seriate both usually calycine. 

 'Exceptions •.~Cov. present in Loranthus and in a few of the 

 EuPHOKBiACE.®.— In the genus iJtip/iorfeiia several male-fl. surround- 

 ing a single fem.-fl. are inclosed within a common involucre.— In 



