103 



PLATE IX. 



V^iola palviata var. ciicidlata (continued). 



Fig. 40. A young plant, showing the swelling of the hypocotyl, 2 X "^* 



Size. 



41. A young plant with the cotyledons still attached, 3 X *~'^^- s^'^^- 



42. A leaf with the swollen base, nat. size. 



Lespedcaa violacea. 



Fig- 43- A germinating plantlet, nat. size. 

 ^ 44. The rhizome of a full-grown plant, nat. size. 



Lespedeza proctimbens. 



Fig. 45. A germinating plantlet, nat. , size. 



46. The rhizome of a full-grown plant, nat. size. 



Clitoria Mariana, 



r 



Fig. 47. A germinating plantlet, nat. size. 

 48. One of the cotyledons, nat. size. 



\ 



PLATE X. 



Clitoria Mariana (continued). 



F'S- 49- The rhizoi7ie uf a full-grown plant, nat. size. 



Cassia Chamaecrista. 



Fig. 50. A germinating plantlet, 2 X ^^** size. 



w 



Riibiis hispidiis. 



■t 



Fig. 51. A germinating plantlet, nat. size. 



52. A young plant, one year old, nat. size. 



Potentilla Canadensis. 



Fifa- 53- A germinating plantlet, nat size. 



■ 



54. The rhizome of a full-grown plant, nat. size. 



■ 



Saxifraga Virginiensis . 



Fig. 55, A germinating plantlet, 6 X ^^t. size. 



56. The same, a little older, 6 X "^^- size. 



57. A young plant with the cotyledons, still attached, and several 



-J 



^ 



leaves developed, 6 X '^^^- size. 



58. A young plant, 3 X ^^t* size. 



59. A stellate hair from one of the first developed leaves, highly 



magnified. 



Dionaca juiisciptda. 



Fig. 60. A germinating plantlet ^vith the cotyledons still enclosed in the 



seed, 4X ^^*" size. 



