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Tetraplois Louisiana irises have an extra set of chromosomes. The result is flowers that are larger and have greater substance. Foliage is thicker and more resistant to disease.

 
  Doctor Ed* (R2000) Sauturn x Professor Paul) Tetraploid. This iris produces a subtle bicolor (cream and blue) Cream (RHC155D) falls overlaid with very pale blue wash (RHC 92D), with yellow green signal surrounded with blue; standards pale blue (RHC 92C) edged with cream white. This iris blooms 5 inch flowers of excellent substance on a 30 inch stalk at midseason at three positions. Limited supply.  $30.00  5
 No Photo  PROFESSOR ELLIS* (Mertzweiller, R86) (sdlg. C-74-78A) 40"-44" (102-112 cm)EM. Lightly ruffled blue-violet, veined dark violet; green yellow signal on cream ground; slight musky fragrance. Pollen parent is tetraploid chimera 67-AC. HM '89. PROFESSOR IKE* X Complex. (101 MRS. MAC, 102 unknown diploid).  $6.00  37

 PROFESSOR IKE* (Mertzweiller, R73) (sdlg. 70-68-B) 44"M. DRV/DRV8Y. Red-violet self; bright yellow signal. Pod parent is 67-AL-99, a deep red colchicine-induced chimera; pollen parent is 67-AC-1, a light blue colchicine-induced chimera with bright yellow signal, of unknown parentage. Complex X 67-AC-1. (101 59-103, 102 G.W. HOLLEYMAN, 201 54-10, 202 56-17, 301 KING'S GOLD, 302 BAYOU SUNSET, 303 54-24, 304 BELLE HELENE, 405 PEGGY MAC, 406 BAYOU SUNSET).  $6.00  38

 
 PROFESSOR JIM* (Mertzweiller, R86) (sdlg. C-76-4B) 38"-42"(96-102 cm)EM. Medium red, veined dark red-violet, yellow signal; slight musky fragrance. Pollen parent is tetraploid chimera. HM '89. PROFESSOR IKE* X WHEELHORSE.  $8.00  39

 
PROFESSOR PAUL* (Mertzweiller, R80) (sdlg. C-71-24) 29 1/2"-311/2"(75-80 cm)ML. S. pale blue-lavender; F. pale blue-lavender, veined darker; greenish styles with lavender cast, short yellow line signal. Both parents are induced tetraploid chimeras. Pollen parent is 67-AL-84, pale blue. HM '84, AM '88. WHEELHORSE X Complex. (101 60-71, snow white, 102 QUEEN O' QUEENS, 201 56-60, pale low blue, 202 BARBARA ELAINE TAYLOR, 301 I. brevicaulis, 302 Cameron White).  $20.00  40

 
PROFESSOR NEIL* (Mertzweiller, R90) (sdlg. T-6379B). 30" (75 cm), M. S. dark red; F. velvety dark red; large brilliant yellow signal; musky fragrance. C-76-4: (PROFESSOR IKE* X WHEELHORSE, colchicine treated chimera) X C-76-88E: (66-G-Z, colchicine treated chimera X PROFESSOR IKE*)  $8.00  41
 No Photo PROFESSOR SIGMUND* (Mertzweiller, R80) (sdlg. C-75-88) 35 1/2"-39 1/2"(90-100 cm)M. Dark red-violet self; brilliant yellow signal. Pod parent is a 30"(76 cm) induced tetraploid chimera of unknown parentage. HM '90. 66-G-2, red brown X PROFESSOR IKE*.  $6.00  42

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