Impatient.] GERANIACEA K. 135 



Sepals small, elliptic, green ; standard and wings yellow 



11. Jerdoniae. 

 Sepals large, oblong, pendulous, scarlet; standard green, wings 



purple 12. auriculata . 



Sepals linear, green ; standard green, dorsally broadly winged 



13. parasitica. 



Lip green ; sepals linear-oblong ; flowers all green 14. viridiflora. 



Annual herbs ; leaves opposite ; flowers pedicelled, solitary binate or 

 fascicled in the axils of the leaves, without peduncle ; ebracteate 

 or minutely bracteate at base ; sepals elongate, linear, rarely ovate or 

 lanceolate ; seeds glabrous (except Gardneriana), usually globose, black 

 and polished (Section 3. ANNUAE) : 



Sepals linear or linear-lanceolate ; seeds black and shining : 



Spur of lip slender, usually longer than the wings, sometimes 

 shorter or : 



Stem stiff, usually simple ; leaves broad or narrow, coriaceous : 

 Spur longer than or at least as long as wings ; flowers large ; 



leaves more or less serrate 15. chinensis. 



Spur quite short, incurved ; flowers small ; leaves nearly entire: 



Flowers '6-'8 in. long, rose or rose-purple 16. rupicola. 



Flowers -2- -4 in. long, violet-blue 17. rivulicola. 



Stem flaccid, usually branched ; leaves broad or narrow, subentire 



18. diversifolia. 

 Stem slender ; basal lobe of wings 0, dorsal auricle filiform 



19. ligulata. 



Stem slender, flaccid ; wings long stipitate ; basal lobe minute or 

 0, dorsal auricle : 

 Leaves elliptic-lanceolate, l-2'5 in. long ; capsule *5 in. long 



20. Kleinii, 

 Leaves oblong-lanceolate, 3-5 in. long ; capsule *75 in. long 



21. Rheedii. 



Stem slender, flaccid ; leaves oblong, entire ; wings long stipitate ; 

 basal lobe lanceolate, dorsal auricle small, opposite to it 



22. lenta. 

 Stem slender, flaccid ; wings shortly stipitate ; basal lobe small, 



dorsal auricle decurved 23. tenella. 



Stem much branched ; wings subsessile ; basal lobe minute, 



dorsal auricle minute, near the base 24. debilis. 



Spur of lip very short or : 



Lip scaphiform or cymbiform, spur of lip very minute or : 

 Flowers white or rose, very small : 



Leaves ovate or oblong 25. puailla. 



