Dodge: Heart-Rot of Apple Trees 
15 
Explanation of Plates CLXXIII-CLXXVI 
All the specimens mentioned here were collected on living apple trees, with 
the exception of that shown on PI. iy4, f. i. 
Plate CLXXIII 
Fig. I. An old apple tree that had been struck by lightning some time in 
the past. Three punks matured August is, 1915. The one below on the 
trunk was eighteen inches across. These are good specimens of Polyporus 
admirabilis. 
Fig. 2. Shows a cluster of the punks apparently growing from a healthy 
limb. In reality the heart-wood was decayed. Specimens now in the her- 
barium of the New York Botanical Garden. 
Fig. 3. Polyporus admirabilis on a young apple tree at South View Inn. 
Plate CLXXIV 
Fig. I. A specimen of Polyporus near P. Utiderwoodii found on a decayed 
root stub in Bennett’s grove. 
Fig. 2. Polyporus admirabilis from Mr. Weik’s orchard. A much folded 
specimen resembling a cluster of three individuals. 
Plate CLXXV 
Fig. I. These specimens have been identified by Dr. Murrill as Spongi- 
pellis galactinus. [Would be called Polyporus spumeus var. malicolus by Mr. 
Lloyd. 
Fig. 2. The specimen from Robert Hill’s orchard near Camp Columbia has 
many of the characters of P. admirabilis, yet is plainly one of the bracket 
forms like those shown in Fig. i. 
Fig. 3. Pore surface from a specimen found by Mr. Stewart at New 
Rochelle, September 21, 1915. 
Plate CLXXVI 
A form found by Professor Harper on living apple tree at Bedford City, 
Virginia, September 16, 1915, identified by Dr. Murrill as Spongipellis fissilis. 
Fig. I. Shows the thick flesh, which is beautifully zonate, the long tubes, 
and rough surface. 
Fig. 2. View of the pore surface. 
