106 I R I 



61. HYPOXIS, 10. 17. 



erecta (star- grass, y. Ju. y .) pilose : scape 2 or 3-flow- 

 ered : leaves lance-linear. graminea. 



141. HYSSOPUS, 42. 59. 



qfftcinalis (liyssop. E. Ju. y.) flowers whorled, racemes 

 one-way : leaves lance-linear, nepetoides (giant hyssop* 

 scrophularifoliiis* 



151. IBERIS, 39. 63, 

 umbellata (candy tuft.) 



44. ILEX, 43. 95. 



canadensis (mountain holly, g-y. M. h .) leaves ovate* 

 entire or a little serrate at the apex, glabrous, opaca 

 (evergreen holly.) laxiflora. 



51. ILLECEBRUM. 

 capitatum (head knotgrass ) 



51. IMPATIENS, 4. 73. 



balsamina (balsam weed. E. y. Au. &.) peduncles 1- 

 flowered : leaves lanceolate, nolitangere (jewel-weed, 

 touch-me-not, y. Ju. 0.) peduncles many flowered, leaves 

 ovate, biftora (speckeled jewels.) 



5 2. IMPERATORIA, 45. 60. 

 vstruthium (masterwort.) 



1710. INDIGOFERA, 32. 93. 

 tinctoria (indigo.) 



182. INULA, 49. 55. 



helenium (elecampane, y. Au. y.) leaves clasping, ovate, 

 rugose, tomentose beneath : spales of the calyx ovate. 

 falcata. mariana. argentea. 



51. IPOMAEA, 29. 43. 



quamoclit (jasmine bindweed.) coccinea. lacunosa. bo- 

 na-nox. nil (morning-glory, b. Ju. .) hirsute: leaves 

 ventricose 3-lobed : peduncles short, 1 or 2-flowered : 

 bracts subulate : calyx very villose, long-acuminate. pur 



31. IRIS, 6. 18. 

 pumUa (dwarf flower- de-luce. E, b. M. y.) bearded * 



