COHOETS AND ORDERS. (BY THE EDITOR.) 



1011 



Disk annular or unilateral. Ovary 1-celled, 

 superior ; placentas 3, pari«tal, inany-ovuled. 

 Fruit a berry or capsule. Seeds minute. 

 Embryo straight, albuminous or not. — Herbs, 

 rarely shrubs; leaves usually opposite or 

 whorled, exstipulate 595 



165. Ramondiea Corolla nearly regular, 

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

 equal ; anthers with short terminal slits. 

 Ovary 1-celle'd ; placentas parietal, many- 

 ovuled. Capsule septicidally 2-valved. Seeds 

 minute, hispidulous. Embryo straight, albu- 

 minous — A scapigerous herb . . . 599 



166. BiGNONiACEiE. Oorolla usually 2- 

 lipped ; lobes 5, imbricate. Stamens usually 

 4 didynamous, or 2. Disk glandular. Ovary 

 1-celled with parietal pljicentas, or 3-celled 

 with placentas along the edges of the septum ; 

 ovules 00. Capsule 1-2-valved. Seeds 

 large, imbricate, usually broadly winged. 

 Embryo straight, exalbunjinous ; cotyledons 

 broad, flat. — Trees or shrubs, rarely herbs, 

 erect or climbing ; leaves usually opposite, 

 often compound and cirrhose, exstipulate . 600 



167. Ceesceniib^. Corolla sub- 2-lipped; 

 lobes imbricate. Stamens 4 didynamods. 



Disk annular. Orary 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. AcANiHACEiB. CoroUa 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, SESAjfEiE. Corolla 2-lipped; lobes 

 imbricate. Stanjens 4 didynamous, or 2 ; 

 anther=.cells shorter tha» the connective; 

 tip glandular. Disk annular or cupular. 

 Ovary J.-4-eelled ; stigma 2-lamellate ; pla- 

 centas axile or parietal; ovules few or many. 

 Frujt a capsule or drupe, often of remarkable 

 form. Embryo straight, exq,lbuminous or 

 nearly so.^^^Herbs with vesicular glands; 

 leaves opposite or alternate, eystipuJate . 607 



Cohort XXVI. Lamiales. — Corolla usually 2rlipped, rarely sub'Peg»lar or quite 

 regular, hypogynous. Stamens fewer than the corollarlobes, rapely as iaa»y, unequal, most 

 often 4 didynamous, or 2. Ovary 2-4-eelle<J. ; style sinjple ; ovules solitary in the cells 

 (rarely 2 or more in some Mi/oporinece aijd VerbenacacB) . Fruit s-ij. jadebiscent 2-4- celled 

 drupe or of 2^4 nucules. — Leaves exstipulate. 



170. MroFOKiNE^. Corolla sub-regular 

 or 2-lipped ; lobes 6, imbricate. Stamens 4, 

 sub-equal or didynamous ; a«ther=-cells con- 

 fluent. Ovajy of 2 cai-pels, usually 4-celled, 

 with 2 ovules in each cell, separated by a 

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

 cylindric in scanty albumen. — Shrubs or 

 imdershrubs, leaves alternate, often gland- 

 dotted «10 



171. Selagine^. Corolla swb-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 undej-shrubs •; 

 leaves alternate fascicled or sub-opposite, 



611 



Corolla sub-regular ; 



narrow 



172. STILBINEiE, 



3t 



lobes 5, imbricate. Stamens 4, equal ; 

 filaments slender, exserted ; anthers 2-celled. 

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

 ovuled oy one cell empty; stigma simple; 

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

 2-celled 4-valyed ioculicidal capsule. Em- 

 bryo sub-cylindricip fleshy albumen. — Heath- 

 like shrubs ; leaves whorled . . . 613 



173. Veebbnace^. Corolla regular or 

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

 4 didynamous, or 2, very rarely 6 ; anthers 

 2-celled. Ovajry 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. Qlobulakiejs. Corolla l-2-lipped| 

 2 



