H. Doc. 181. 



f>LATE X. 



NtfBEHtMJh 



PlNUS PALUSTRIS: SEEDLINGS AND YOUNG PLANT. 



a, germinating seed; b, young seedling just unf olded ; c, seedling unfolding primary leaves; rf, foliage leaves at end of season; e, young tree, 3 to 4 years old; 



. one-third natural size. 



