KET TO XATUEAL ORDERS. 



19 



Pistil 1, compound ; either its styles, stigmas ^-^^^ 

 or ovary cells more than 1. 



Style 1, entire, or barely cleft at top. 

 Stamens united into a tube, vrith 



anthers in its orifice. 

 Trees with odd-pinnate or biphmate 

 leaves. Meliace^ 6{ 



Stamens distinct. 



Anthers opening by holes or chinks 

 at top. 



Anthers opening across the top. Ericace^ 207 

 Anthers opening lengthwise. 



Herbs. Stamens 6, 2 of them 

 shorter. CEUCiFERiE, 42 



Woody plants. Fruit few- 

 seeded. 

 Stamens fewer than 



the 4 long petals. Oleace^ 264 

 Stamens as many as 



the broad petals. Celastrj ce^, 86 

 ^^les or sessile stigmas 2-6, or style 

 2 - 5-cleft. 



Ovary and fruit 1 -celled. 



One-seeded. Shrubs. Axacaediace^, 77 

 Several- or many-seeded. 

 Seeds in the cen- 

 tre of the pod. Cartophyllace^, 56 

 Seeds on tlie walls 

 or bottom of 



the pod. Saxifragace^, 143 



Ovary with 2 - 5 or more 

 ceUs. 



Sessile stigmas and sta- 

 mens 4 -6. Aquifoliace^ 216 

 Styles or long stigmas 



2 : fruit 2-winged. Acerace^ 89 

 Styles or divisions of 

 the style 5. 



Stamens 5: pod 

 partly or com- 

 pletely 10-ceU- f 

 ed. * LiXACE^ 70 



Stamens 10 : pod 

 5-ceUed. Leaves 



compound. OxALrDACE.j:, 72 

 Stamens 10 (or 

 fewer) : styles 

 united with a 

 long beak, spht- 

 ting from it 



when ripe. GERANiACEiE, 71 



