1915] 



BESSEY — PHYLOGENETIC TAXONOMY 147 



cluster of small irregular flowers ; ovary 1-celled, with a single 

 ovule; endosperm fleshy. Globularia. (Pf. 4 3b :270.) 



Family 187. Acanthaceae. Herbs (shrubs and trees) with 

 opposite leaves; ovary 2-celled; placentae axile; fruit a dry 

 pod which splits open vertically ; seeds 2-many, without endo- 

 sperm. Thuribergia, Ruellia, Acanthus, Justicia. (Pf. 



4 3b :274.) 



Order Lamiales. Corolla mostly zygomorphic (irregular or 

 oblique) ; stamens fewer than the corolla-lobes, usually 4 or 2; 

 ovules mostly 2 in each carpel; fruit indehiscent. (Species 

 about 4119.) 



Family 188. Myoporaceae. Mostly Australasian shrubs 

 and trees, with usually alternate leaves ; flowers axillary ; fruit 

 a 1-4-seeded drupe; endosperm scanty. Myoporum. (Pf. 

 4 3b : 354. ) 



Family 189. Phrymaceae. Erect, perennial herbs, with 



opposite leaves, and small spicate flowers; calyx and corolla 



cylindrical, 2-lipped; stamens 4; ovary 1-celled, 1-ovuled; 



stigma bifid; endosperm 0. Phryma. (Pf. 4 3b : 361.) 



Family 190. Verbenaceae. Verbenas. Herbs, shrubs, and 

 trees, with usually opposite leaves; ovary of 2 carpels, but 

 2-8-celled, with 1 ovule in each cell ; stigma usually undivided ; 

 endosperm scanty or 0. Verbena, Lantana, Lippia, Tectona, 

 Vitex. (Pf. 4 3a :132.) 



Family 191. Lamiaceae. Mints. Mostly aromatic herbs, 

 shrubs (and trees) with opposite or whorled leaves; ovary 

 4-celled, 4-lobed with 1 ovule in each cell ; stigma usually bifid ; 

 endosperm scanty or 0. Lavendula, Nepeta, Stachys, Salvia, 

 Thymus, Mentha, Coleus. (Pf. 4 3a : 183.) 



With this order {Lamiales), and especially with this family 

 {Lamiaceae), we attain the summit of the cone-flowers {Stro- 

 biloideae). We next return almost to the point of beginning, 

 and there start on a new phyletic line. 



Sub-Class OPPOSITIFOLIAE - COTYLOIDE AE. < * Cup 

 Flowers. ' ' Axis of the flower normally expanded into a disk 

 or cup, bearing on its margin the perianth and stamens (or 

 the latter may be attached to the corolla). 



