KEif TO NATURAL 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, with 



ajithers in its orifice. 

 Trees with odd-pinnate or bipinnate 

 leaves. 

 Stamens distinct. 



Anthers opening by holes or chinks 

 at top. 



Anthers opening j^cross the top. 

 Anthers opening lengthwise. 



Herbs. Stamens 6, 2 of them 

 shorter. 



Woody plants. Fruit few- 

 seeded. 

 Stamens fewer than 



the 4 long petals. 

 Stamens as many as 

 the broad petals. 

 Styles or sessile stigmas 2-6, or style 

 2 - 5-cleft. 



Ovary and fruit 1 -celled. 

 One-seeded. Shrubs. 

 Several- or many-seeded. 

 Seeds in the cen- 

 tre of the pod. 

 Seeds on tlie walls 

 or bottom of 

 the pod. 

 Ovary with 2 - 5 or more 

 cells. 



Sessile stigmas and sta- 

 mens 4-6. 

 Styles or long stigmas 



2 : fruit 2- winged. 

 Styles or divisions of 

 the style 5. 



Stamens 5: pod 

 partly or com- 

 pletelv 10-cell- 

 ed. 



Stamens 10 : pod 

 6-celled. Leaves 

 compound. 



Stamens 10 for 

 fewer) : styles 

 united with a 

 long beak, split- 

 ting from it 

 when ripe. 



MELIACEiE, 



69 



Ericace^, 207 



Crucifer^, 42 



Oleaceje, 264 



Celastrace^, 86 



Anacardl'^ce^, 77 



Caryophyllace^e, 56 



Saxifragacejj, 143 



Aquifoliace^, 216 



ACERACE^, 89 



LiXACEJE, 70 



OXALIDACEiE, 72 



Geraniace^, 71 



