“ While yet in her teens, she realized the necessity of choosing some life work for herself, and as she desired to pursue the study of medicine, she quietly determined to do so. Undaunted by the criticism of her friends, in 1865, after one year's study with a physician, Miss Green entered the New York Medical College. ”

“ As there were no brothers in the family, little Mary worked both indoors and outdoors, preferring the latter, until, the little house being built and a few acres about it cleared, she was allowed to think about education. She went to a neighbor's, several miles distant, where she worked for her board and began to attend school. At fourteen years of age she passed the required examination and began to teach, her salary being two dollars a week, with the privilege of boarding round. ”