COHORTS AND ORDERS. (BY THE EDITOR.) 1011 



, 



Disk annular or unilateral. Ovary 1-celled, 

 superior ; placentas 2, parietal, inany-ovuled. 

 Fruit a berry or capsule. Seeds minute. 

 Embryo straight, albuminous or not. Herbs, 

 rarely shrubs; leaves usually opposite or 



whorled, exstipulate 595 



105. RAMONDIE.E. Corolla nearly regular, 

 rotate ; lobes 5, imbricate. Stamens 5, sub- 

 equal ; anthers with short terminal slits. 

 Ovary 1-celled ; placentas parietal, many- 

 ovuled. Capsule septicidally 2-valved. Seeds 

 minute, hispidulous. Embryo straight, albu- 

 minous A scapigerous herb . . . 599 



166. BIGXONUCE^E. Corolla usually 2- 

 lipped ; lobes 5, imbricate. Stamens usually 

 4 didynamons, or 2. Disk glandular. Ovary 

 1-celled with parietal placentas, or 2-celled 

 with placentas along the edges of the septum ; 

 ovules oo. Capsule 1-2-rvalved. Seeds 

 large, imbricate, usually broadly winged. 

 Embryo straight, exalbuminous ; cotyledons 

 broad, flat. Trees or shrubs, rarely herbs, 

 erect or climbing ; leaves usually opposite, 

 often compound and cirrhose, exstipulate . 600 



167. CRESCENTIEJE. Corolla sub- 2-lipped j 

 lobes imbricate. Stamens 4 didynamous. 



Disk annular. Ovary 1- or spuriously 2-4- 

 celled ; placentas 2 -4, parietal, many-ovuled. 

 Fruit woody or fleshy, indehiscent. Seeds 

 large, buried in pulp ; embryo exalbuminous; 

 cotyledons fleshy. Trees or shrubs ; leaves 

 alternate opposite or whorled, exstipulate . 603 



168. ACANTHACE^;. Corolla usually 2- 

 lipped ; lobes imbricate or twisted. Stamens 

 4 didynamous, or 2. Disk cupular or annular. 

 Ovary 2-celled ; cells 2-ao -ovuled ; placentas 

 usually on the septum ; ovules often inserted 

 on processes of the placenta. Capsule 2- 

 valved. Embryo exalbuminous ; cotyledons 

 large, sometimes crumpled. Herbs, rarely 

 shrubs ; nodes tumid ; leaves opposite or 

 whorled, exstipulate 604 



169. SESAMES. Corolla 2-lipped; lobes 

 imbricate. Stamens 4 didynamous, or 2 ; 

 anther-cells shorter than the connective ; 

 tip glandular. Disk annular or cupular. 

 Ovary 1-4-celled ; stigma 2-lamellate ; pla- 

 centas axile or parietal ; ovules few or many. 

 Fruit a capsule or drupe, often of remarkable 

 form. Embryo straight, exalbuminous or 

 nearly so. Herbs with vesicular glands; 

 leaves opposite or alternate, exstipulate . 607 



Cohort XXVI. Lamiales. Corolla usually 2,-lipped, rarely sub-regular or quite 

 regular, hypogynous, Stamens fewer than the corollaTlobes, rarely as many, unequal, most 

 often 4 didynamous, or 2. Ovary 2-4-eelled ; style simple ; ovules solitary in the cells 

 (rarely 2 or more in some Myoporinece and Verbenaceaa). Fruit an. indehiscent 2-4-celled 

 drupe or of 2-4 nucules. Leaves exstipulate. 



170. MrOPOBINEJS. Corolla sub-regular 

 or 2-lipped ; lobes 5, imbricate. Stamens 4, 

 sub-equal or didynamous ; anthers-cells con- 

 fluent. Ovary of 2 carpels, usually 4-celled, 

 with 2 ovules in each cell, separated by a 

 septum. Fruit a 2-4-celled drupe. Embryo 

 cylindric in scanty albumen. Shrubs or 

 undershrubs, leaves alternate, often gland- 

 dotted 610 



171. SELAGINE^E. Corolla sub-regular or 

 2-labiate ; lobes 4-5, imbricate. Stamens 4 

 sub-equal, or 2 ; anthers 1-celled. Ovary 2- 

 celled ; stigma simple ; ovules 1, pendulous 

 in each cell. Fruit of 1 or 2 unequal 

 achenes or utricles. Embryo straight in 

 fleshy albumen. Herbs or undershrubs ; 

 leaves alternate fascicled or sub-opposite, 

 narrow 611 



172. STILBINB^. Corolla sub-regular ; 



3x 



lobes 5, imbricate. Stamens 4, equal ; 

 filaments slender, exserted ; anthers 2-celled. 

 Ovary dicarpellary, 1-2-celled ; cells 1- 

 ovuled or one cell empty; stigma simple; 

 ovule 1, erect. Fruit a 1-seeded utricle, or 

 2-celled 4-valved loculicidal capsule. Em- 

 bryo sub-cylindric in fleshy albumen. Heath- 

 like shrubs ; leaves whorled . . . 618 



173. VEEBENACEJS. Corolla regular or 

 1-2-lipped ; lobes 4-5, imbricate. Stamens 

 4 didynamous, or 2, very rarely 5 ; anthers 

 2-celled. Ovary 2-4-8-celled ; stigma simple 

 or 2-fid ; ovules 1 or geminate in each cell. 

 Fruit a drupe, with 2-4 1-2-celled pyrenes; 

 or a 1-4-celled berry. Embryo straight in 

 scanty albumen ; cotyledons foliaceous. 

 Herbs, shrubs, or trees; leaves opposite or 

 whorled, rarely alternate, simple or compound 615 



174. GrLOBULARiEJi. Corolla 1-2-lipped ; 



