332 



THE JOUENAL OF BOTANY 



Male and female flowers both in cymes 

 Stipules free, or connate at base— not forming a cap 

 dehiscent by a transverse slit. 

 Male flo^Yers solitary, female in fascicles . . 

 Male and female flowers both numerous, in capitate 



inflorescences 

 Male flowers many together, female solitary. 

 Male inflorescence a uniform or interrupted spike 

 Male flowers clustered into a head or panicle. 

 Ovary and berry strongly ribbed ; stipules 

 sheathing 



Ovary and berry smooth. 



Male inflorescence lateral, terminating short 



shoots ; pollen in tetrads. Thorny 



shrubs, with chaffy stipules 



Male inflorescence terminal ; pollen simple. 



Unarmed shrubs. 



Male and female flowers isomerous. Ovary 



2- oo-locular 

 Male and female flowers not isomerous. 

 Ovary unilocular 

 BB. Seeds small, angular, with pitted testa 

 AA. Corolla-lobes imbricate. 

 Ovary 4-5-locular. 



Corolla tubular, 5-angled, stamens inserted at base of 



tube 

 Corolla shortly funnel-shaped, stamens in throat of tube 

 Ovary 2-locular. 



Stamens inserted in throat of corolla . . 

 Stamens inserted at base of corolla. 

 Spiny plants with leaves 

 Spiny plants, leafless (like Colletia) . . 



Eetiniphylle^. 

 Corolla and andrcecium 8-merous 

 Corolla and andrcecium 5-merous. 



Ovules pendulous 



Ovules not pendulous 



GUETTARDE^. 

 Corollalobes imbricate. 

 Fruit separating into two small semi-cylindrical cocci . . 

 Fruit drupaceous, indehisceut. 

 Calyx deciduous 

 Calyx persistent. 



Filaments short. Stipules triangular, caducous 

 Filaments elongated. Stipules connate into a per- 

 sistent sheath 

 Corolla-lobes valvate. 



Corolla-tube slender, much elongated 

 Corolla-tube short, not slender. 



Flowers secund in divaricate unilateral spikes (Bolivia) 

 Flowers very small in panicles of small clusters 



Chiococce^. 



AA. Corolla-lobes valvate. 

 Inflorescence terminal. 



Fruit a drupe of 5-co pyrenes 

 Fruit a bilocular septicidal capsule 



* See Hameliea, supra. 

 t See Catciibaecc, supra. 



Amajoua 



SchaclUia 



Garapatica 



Stachyarrlicna 



Billiottia {Melan- 

 opsidiinit) 



Basanacantha 



Aliberiia 



Thieleodoxa 

 [Bertiera)* 



[Hamelia)* 

 {Bothriospora)* 



[Hoffmannia)* 



{Catesbcca)j 

 {Phyllacantha)\ 



Kotchubaa 



Sijnisoon 

 Retiniphyllum 



Machaonia 

 Guettarda 



Antirrhaa 



Laugeria 

 CJionielia 



Tounie/ortiopsis 

 Malanea 



Erithalts 

 Ceratopyxii 



