of Lathrea Squamaria, $c. 419 
“EXPLANATION OF: THE PLATES. 
Tas. XXII. 
Fig. i as embryo plant: a, the. natural size ; b and €, highly 
magnified in different positions. 
. 2. An entire plant, showing the large tubers on the caudek 3 
of the root at b; the small ones on the fibres, and a 
| young abortive flower-stem, c, in its progress towards 
the surface of the soil. 
3. Portion of a subterranean stem with its tuberiferous 
fibres, and a portion of an Ash-root with some of the 
tubers fixed upon it. a. Wounds in the bark oe 
by old decayed tubers. te 
4. Longitudinal section of part. of. the caudex and one of 
aa 
its Tare tubers magnified, showing its complex system 
of vessels; some of which, towards the „base, a, are 
cut through transversely.. : 
es ` Portion of a fibre with a. DNI bar Seine its attach- 
‘ment; and another torn from the bark, showing the 
lacerated edge of the cuticle and the reticulated por- 
tion in contact with the bark. "The dark central spot 
is the branching off of the exhausting vessels :—highly 
magnified. 
TAB. XXHL- 
Fig. l. Pispiodicsl section of a tuber cut aeross its. fibre, 
showing its beaded system of vessels, the insertion of 
its tap-shaped base into the alburnum, and the bor- 
der of new liber formed round the cavities to stop the 
progress of the diseased anm a. Section of the con- 
necting fibre. -` Si gabe 
2. Ditto, ditto, in the direction of its fibre. 
Fig. 3. 
