fHqxitiui*. dEn.lXTACKAP:. 137 



Flowers large or medium-sized, smaller in I. dasysperma : 

 Capsule pilose or tomentose : 

 Lip spurred ; seeds globose, spur incurved : 



Seeds smooth 43. Ralsamimi. 



Seeds minutely hirtillous 44. triclioau'im. 



Lip spurless ; seeds minute, granulate 45. tcahriuscula, 



Capsule glabrous ; seeds glabrous or papillose ; spur of lip long: 

 Seeds small, minutely papillose : 



Spur of lip 1-1-5 in. long 46. flaccida. 



Spur of lip 0*6 in. long 47. dasyspennn. 



Seeds large, rugose, glabrous ; flowers large ...48. pvlcherrima. 

 Shrubby ; leaves alternate, hairy on both surfaces ; flowers pedicelled, 

 the pedicels solitary in the axils of the leaves without peduncle, 

 ebracteate ; standard and lip tomentose (Section 5. TOMENTOSAE) : 



Flowers small, white and red, wings short 49. Munronii. 



Flowers very large, white, wings large 50. Hemlovwim. 



Herbs or shrubs ; leaves opposite or alternate rarely whorled ; flowers 

 umbellate or in very contracted racemes terminating a long axillary 

 peduncle ; pedicels bracteate at the base (Section G. SUBUMBELLATAK) : 

 Shrubs or large branching herbs : 



Leaves alternate; sepals orbicular, ovate or oblong, '25-'75 in. 

 long : 



Spur longer than the limb of the lip : 



Flowers very large ; sepals oblong, acute ; lip with spur tubiform 



51. ffnnidia. 

 Flowers medium-sized ; sepals orbicular, cuspidate ; bracts 



slender 52. fruticosa. 



Flowers medium-sized ; sepals ovate-acuminate, bracts ovate 



53. vine id a. 



Spur shorter than limb of the lip or : 



Sepals ovate, aristately acuminate ; spur of lip -1 in. long or 



54. campanulata . 



Sepals oblong, acute; spur of lip -25--5 in. long 55. disotis. 



Leaves opposite and whorled ; sepals linear ; spur long, slender 



56. -verticillata. 

 Annual herbs : 



Leaves all opposite : 



Dorsal auricle of wings filiform, enclosed in the spur of the 

 lip, except sometimes in I. omissa ; peduncle many-flowered : 

 Leaves ovate, petioled, 1-2 in. long : 



Spur of lip shorter or longer than the wings, not inflated 



57. Goughii. 

 Spur of lip longer than the wings, inflated 58. viscosa. 



