CONTENTS. 
_ Reticulated Keratophyton, called Venus’ s Fan. Plate 
SOXVIp: Oxy | 
Spongy xed Keratophyton. Plate XXVI. p. 64. 
N* 1. Keratophyton [pread like a Fan, and covered with a 
warted Bark, Plate XXVIL. p. 67. 
Ne. 2. Dichotomous Keratophyton,. with its Stalk bik Branches 
Sigs Haicoii Plate XXVIL. p. 68.. 
- Efchara. 
N*®. 1. -Foliaceous SP te lena with Bona § MALT OW 
Leaves, that appear cut off at des Ends, and covered on 
both Sides with oblong Cells placed EN Plate: 
XXVIIL p. 69. 
N°. 2. Spongy Foliaceous Efchara, covered on both Sides. with: 
arched Cells placed alternately, Plate XXIX. p. 70. 
N°. 3. Stony, foliaceous, and milleporous Efchara, growing 
together irregularly here and there, and made wp on both: 
Sides of Ege-fbaped Cells, Plate XXX. p, 71. 
Stags Lorn porous Coral of Tmperatus Plate XXX. 
4 Pp: 7 2- 
Spongy Egg-fbaped Cells growing. on a. Fucus. Plate 
BXX.p. 72. : 
Stony E{chara of Trane full: of Holes like a iVet. 
Plate XXV. P72. 
Ne 4. Spongy, foliaceous, and i laenies Hichanes sitiboled 
_ of E Cells of an inverted conical Form, and Hairs about cheir 
Entrances. Plate XXXI. p. 73. ; 
Wee ai Common 
