﻿54 
  Thirtieth 
  Report 
  ox 
  the 
  State 
  Museum. 
  

  

  Petioles 
  and 
  under 
  surface 
  of 
  leaves 
  of 
  Nabalus. 
  Buffalo. 
  

   Clinton. 
  Also 
  on 
  Solidago 
  leaves. 
  Center. 
  May. 
  

  

  The 
  beautiful 
  tawny-ochraceous 
  color 
  of 
  the 
  Uredo 
  form 
  and 
  

   the 
  circinating 
  soil 
  are 
  noticeable 
  features. 
  

  

  Puccenta 
  Hydrophylli 
  P. 
  & 
  C. 
  n. 
  sp. 
  

  

  Spots 
  yellow 
  or 
  greenish-yellow 
  ; 
  sori 
  small, 
  clustered, 
  some- 
  

   times 
  confluent, 
  blackish-brown 
  ; 
  spores 
  loose, 
  elliptical, 
  rough, 
  

   slightly 
  constricted, 
  .001' 
  long, 
  .0007'-. 
  0008' 
  broad 
  ; 
  pedicel 
  very 
  

   short, 
  hyaline. 
  

  

  Lower 
  surface 
  of 
  living 
  leaves 
  of 
  Hydrophyllum 
  Virgini- 
  

   anum. 
  Buffalo. 
  May. 
  Clinton. 
  

  

  Related 
  to 
  P. 
  Menthce 
  from 
  which 
  the 
  different 
  habit 
  and 
  

   very 
  short 
  pedicel 
  will 
  separate 
  it. 
  

  

  Uredo 
  Cassandra 
  P. 
  & 
  C. 
  n. 
  sp. 
  

  

  Spots 
  small, 
  irregular, 
  yellowish 
  or 
  chestnut 
  ; 
  sori 
  generally 
  

   crowded 
  together 
  in 
  small 
  clusters, 
  somewhat 
  angular 
  or 
  irre- 
  

   gular, 
  surrounded 
  by 
  the 
  remains 
  of 
  the 
  ruptured 
  epidermis 
  ; 
  

   spores 
  yellow, 
  elliptical 
  ovate 
  or 
  subglobose, 
  roughened, 
  .0008- 
  

   .001' 
  long. 
  

  

  Lower 
  surface 
  of 
  living 
  leaves 
  of 
  Cassandra 
  calyculata. 
  

   Center 
  and 
  Sandlake. 
  June. 
  Machias. 
  Clinton. 
  

  

  Melampsora 
  Epilobii 
  Fckl. 
  

  

  Leaves 
  of 
  Epilobium 
  angustifolium. 
  Newcomb, 
  Essex 
  

   county. 
  August. 
  

  

  iEciDiUM 
  Sanicul^ 
  Carm. 
  

   Leaves 
  of 
  Sanicle. 
  Buffalo. 
  Clinton. 
  

  

  Cladosporium 
  depressum 
  B. 
  & 
  Br. 
  (Plate 
  I, 
  figs. 
  22-24.) 
  

  

  Living 
  leaves 
  of 
  Archangelica 
  atropurpurea. 
  Buffalo. 
  June. 
  

   Clinton. 
  

   The 
  spores 
  bear 
  some 
  resemblance 
  to 
  Puccinia 
  spores. 
  

  

  Helmixthosporium 
  Absinthii 
  n. 
  sp. 
  (Plate 
  II, 
  figs. 
  28-30.) 
  

   Flocci 
  forming 
  effused 
  dark-olivaceous 
  or 
  brown 
  patches 
  or 
  

   minute 
  tufts, 
  simple, 
  septate, 
  colored, 
  subflexuous, 
  irregular 
  

   or 
  knotty 
  above 
  ; 
  spores 
  oblong-clavate, 
  very 
  unequal 
  in 
  length, 
  

   .001'-. 
  004' 
  long, 
  one 
  to 
  five-septate, 
  paler 
  than 
  the 
  flocci. 
  

  

  Living 
  leaves 
  of 
  wormwood, 
  Artemisia 
  Absinthium. 
  Adiron- 
  

   dack, 
  Essex 
  county. 
  August. 
  

  

  