1012 



SYNOPSIS OP THE CLASSES, 



lobes imbricate. Stamens 4, didynamous ; 

 anther-cells confluent. Ovary 1-celled ; style 

 slender, stigma simple or 2-lobed; ovule 

 solitary, pendulous. Caryopsis invested by 

 the calyx, mucronate. Embryo straight, in 

 fleshy albumen. Herbs or shrubs; leaves 

 alternate, quite entire ; flowers in an iuvolti- 



crate head 



175. LABIATE. Corolla 2-lipped, rarely 

 sub-regular ; lobes 2-5, imbricate. Stamens 

 4, didynamous, rarely sub-equal, or 2 ; anther- 

 cells often confluent at the tip, sometimes 

 separated. Disk thick. Ovary of 2 2- 

 partite carpels; lobes 1-ovuled; style slender, 

 simple, unequally 2-lobed, gynobasic ; ovule 

 solitary, erect in each lobe. Fruit of 4 

 nucules. Embryo straight, rarely curved, 

 exalbuminous or with thin albumen Herbs, 

 rarely shrubs, often strong-scented ; leaves 



618 



PAGE 



opposite or whorled ; flowers usually in false 

 whorls .. . . G20 



ANOMALOUS ORDER. 



176. PLANTAGINEJS. Flowers $ or uni- 

 sexual. Corolla scarious, monopetalous, 

 hypogynous, 3-4-lobed, lobes imbricate, or 

 0. Stamens 4, inserted on the corolla, or 

 hypogynous ; filaments very slender, ex- 

 serted, persistent; anthers large, versatile, 

 deciduous. Ovary free, with 2-4 1-8- 

 ovuled cells, or 1-celled and 1-ovuled ; style 

 filiform with 2 lines of stigmatic papillte. 

 Fruit a circumsciss capsule or bony nucule. 

 Seeds peltate ; embryo straight or curved ; 

 albumen fleshy. Scapigerous herbs, rarely 

 shrubby below ; leaves alternate or radical, 

 rarely opposite ; scapes axillary from the 

 lower leaves ; flowers inconspicuous . . 623 



DIVISION III. APETALOUS or INCOMPLETE-FLOWERED. 



Flowers with a single floral envelope (the calyx), or 0. 



Exceptions. A double floral envelope occurs in some Faronychita, Eupfiorliaccte, Rafflesiaceee, LorantJiacete, 

 Santalaceie, and Podostimacea. See various incomplete genera under the exceptions to Divisions I. and II. 



SUB-DIVISION I. Ovary superior (inferior in Cynocranibene and Gyrocarpecc) . Peri- 

 anth usually distinct. 



Cohort XXVII. Chenopodiales. Flowers usually g Perianth green or coloured, 

 usually regular ; tube short or 0; segments imbricate in bud. Ovary superior (except 

 Cynocrambece), of 1 (rarely several) carpels. Ovules solitary (2 or more in some Amaran- 

 tliacece and Paronychiece), basal. Embryo usually coiled or curved. Herbs or shrubs. 

 (This Cohort is closely allied to Nos. IV. and XIV.) 



177. NYCTAGINEJE. Perianth petaloid, 

 gamophyllous ; tube slender ; base persistent, 

 enclosing the 1-seeded achene or utricle. Sta- 

 mens hypogynous. Embryo large, convolute 

 or conduplicate ; albumen scanty. Herbs 

 and shrubs; nodes tumid ; leaves opposite 



178. PHYTOLACCEJE. Perianth green or 

 petaloid; tube short or 0. Stamens hypo- 

 gynous or nearly so. Ovary of several free 

 or connate 1-ovuled carpels. Embryo usually 

 curved or coiled ; albumen floury or 0. 

 Herbs, shrubs, or trees ; leaves usually alter- 

 nate, stipulate or not .... 



179. POLYGONS^. Calyx green or coloured. 

 Stamens 1 or 5-9, perigynous; anthers 2- 

 celled. Ovary 1-celled ; styles 2-4; ovule 

 basal. Achene usually enclosed in the often 



625 



628 



accrescent perianth. Embryo straight or 

 curved, sometimes foliaceous; albumen floury. 

 Herbs or shrubs, rarely trees ; leaves 

 alternate ; stipules 0, or membranous and 

 sheathing . . . . . . . . 631 



. 180. AMARANTHACE.E. Sepals 3-5, 1- 

 seriate, more or less scarious. Stamens 

 hypogynous, opposite the sepals; anthers 

 often 1-celled. Ovary 1-celled ; stigmas 

 2-3 ; ovules 1 or more, basal. Embryo an- 

 nular or curved; albumen floury. Herbs, 

 rarely shrubs ; leaves opposite or alternate, 



exstipulate 636 



181. CHENOPODIEJE. Sepals herbaceous, 

 3-5, 1 -seriate, or perianth utricular or 0. 

 Stamens 1-5, opposite the sepals, hypogynous 

 or perigynous ; anthers 2-celled. Ovary 1- 



