XIV LIST OF PLATES. 
To FACE PAGE 
Fig. 3. EPIDERMIS oF ECHEVERIA ; magnified aaa 
diameters P 
Fig. 4. EprpERMIS oF Melee ene “Magnified « one 
hundred diameters . 
PLATE IX. 
Fig. 1. Transverse section of petiole of Canta; magnified 
sixty diameters ‘ ess 
Fie. 2. Stetuare Harrs on test of Siweares re Te- 
flected light, magnified forty diameters . . . . . .. 
PLATE X, 
Fic. 1. Transverse section of leaf of Pampas-grass, GYNERIUM 
ARGENTEUM ; magnified forty diameters . 
Fic. 2, Transverse section of leaf of Pine (species 2); rene 
fied forty diameters . 
PLATE XI. 
Fig. 1. Transverse section of stem of ABUTILON STRIATUM ; 
magnified forty diameters : 3 
Fig. 2. Transverse section of stem of Casa CeDTeA } magni- 
fied forty diameters 
PLATE XII. 
FourtH sQquaRE of Moller’s DriatoMacEEN TYPEN-PLATTE 
(Type-plate of the Diatomacee) ; magnified fifty diameters 
PLATE XIII. 
TRICERATIUM Favus. 
Fig. 1. Centre in Focus ; magnified four hundred diameters. 
Fig. 2. Margin in Focus; magnified four hundred diameters . 
PLATE XIV. 
Fic. 1. AcTINOPTYCHUS HALIONYX; magnified three hundred 
and seventy-five diameters . 
Fig. 2. Evopia GipBa ; magnified five frondzed dtanstens 
172 
172 
176 
176 
180 
180 
182 
182 
184 
186 
187 
187 
