SYNOPTICAL KEY. 277 



+► Seeds albuminous. 



68. Rhinanthaceae. Herbs or shrubs with alternate or opposite leaves. 

 Corolla imbricate in the bud. Capsule 2-eelled, with central pla- 

 centae, few-many-seeded. 



69. Orobanchaceae. Parasitic herbs, without green herbage : scales al- 

 ternate; capsule 1-celled, 2-valved, many-seeded, with 2-4 parietal 

 placenta?. 



-+ ++ Seeds without albumen. 



70. Pinguiculacea?. Herbs with capillary dissected or entire leaves. 



Stamens 2; anthers 1-celled. Capsule 1-celled, many-seeded, with 

 central placentae. 



+- ■*- Fruit of 2 or 4 distinct or united 1-seeded nutlets. 



71. Labiatse. Mostly aromatic herbs or shrubs with square stems 

 and opposite, simple leaves. Stamens 4 or 2. L>vary 4-lobed around 

 the 2-cleft style, forming as many distinct nutlets. 



72. Verbenacea». Herbs or shrubs with opposite or Whorled leaves. 

 Stamens 4. Ovary not lobed, 2-4-celled at maturity, splitting into 4 

 1-seeded nutlets. 



■*- +- t- Fruit a 2-celled, circumscissile capsule. 



73. Plantaginaeeae. Acaulescent herbs Flowers 4-merous: corolla 

 scarious. Stamens 2 or 4. Style 1. Fruit a 2-celled, 2-few-seeded 

 capsule. 



Order XL VII. VIBURNACEjE, Dumort. Coum. Bot. 56. 



CAPRIFOUACEJE, Vent. Tabl. ii, 593. 



Shrubs or herbs with opposite leaves normally without sti- 

 pules and regular or irregular hermaphrodite flowers. Calyx- 

 tube adnate to the 2-5-celled ovary. Stamens as many as lobes 

 of the corolla (in Linnsea one fewer) and alternate with them , 

 inserted on its tube or base. Embryo small, in the axis of 

 fleshy albumen. Corolla-lobes generally imbricated in the 

 bud. Ovules anatropous, when solitary, suspended and resup- 

 inate; the rhaphe dorsal; seed-coat adherent to the albumen. 



Tribe i. Corolla rotate or open campanulate, regular style 

 short and 2-5-parted, or as many sessile stigmas. 



1. Viburnum. Shrubs with simple or merely lobed leaves : nutlet of 

 the berry -like drupe only 1, flattened. 



2. Sambucus. Shrubs or shrubby trees with pinnate leaves : nutlets of 

 the berry-like fruit, 2-5. 



Tribe ii. Corolla from campanulate to tubular ; often irreg- 

 ular; styles elongated; stigma capitate. 



3. Linnsea. Creeping undershrubs with simple leaves: corolla cam- 

 panulate, 5-lobed, obscurely irregular: stamens 4, unequal; ovary 3. 



