16 REGISTER OF MICROSCOPIC SLIDE COLLECTION Each serial number (567-2,185) thought to be in the original collection is listed here preceded by an indication of the current existence in the Farlow Herbarium of corresponding slides (S), paleographs (P) or Catalogue entries (C). Each is followed with an alternative slide designation, when Bailey presented one, and finally by a description of the sample based on the slide, paleographs and Catalogue. Slide codes marked with an asterisk (S*) indicate oversized slides housed in Box #19. An outline of the organization of this part of the collection is presented in Table 3.