CLASSIFICATION. 



Order VI.— Polemoniales. 

 80. The Convolvulus Family. 



Climbers, rarely erect, often with milky juice. L. alt. 

 mostly simple cordate and palmi- nerved, sometimes palmately 

 compound (Pinnate in Ipomcea Quamoclit, in Cuscuta) 

 ex stipulate. Fls. regular completely gamopetalous with 

 frequently an entire or only slightly 5-lobed limb. Sep. 

 sometimes free and unequal. St. 5. Disc usually prominent. 

 Carpels 2 (rarely 3-5) combined into a 2-celled, rarely 1 

 (Hewittia) -3- or 4=celled ovary. Style 1, stigmas 2 (styles 

 2 in E volvulus). Ovules 2 to each carpel. Fr. capsular or 



baccate. 80. Convolvulaceas (p- 459). 



Order VII.— Lamiales. 



Trees, shrubs, or herbs very often with glands and 

 aromatic, with alt., whorled or usually opposite simple 

 exstipniate leaves. Fls. zygomorphic (or in most Boraginaceae- 

 regular) usually cymose. Calyx gamosepalous often tubular. 

 St. 4 or 2 (5 in Boraginaceae) with or without a rudimentary 

 5th. Ovary entire and 2-celled or deeply lobed and 4-celled by 

 the formation of a septum. Ovules 2 to each carpel, collateral. 

 Fruit 1-4-seeded, usually of 1-seeded pyrenes or nutlets. 



Exceptions : — 



L. are digitate in Vitex. 



Corolla is regular and 6-12-merous in Symphorema, regular 4-6-lobed 

 id Cordiaceaa. 



Styles 2 in Coldenia (a BoraginaceOus herb), twice bipartite in Cordia, 

 capitate in Bhabdia. One stigmatic lobe sometimes suppressed in 

 various genera, as also occurs in Personales. 



81. The Borage Family. Sub- family Cordiaceae. (Allied 

 to Polemoniales). 



Trees or shrubs with alt. leaves. Fls. in dichotomous 

 scorpioid cymes which are often corymbose (in few-8d. racemes 

 in Rhabdia) regular. Calyx sometimes sub-entire. Corolla 



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