4 
OSMOTIC PRESSURE OF TISSUE FLUIDS 44I 
292. On Duranta repens L. 
A 
= 1-39, 
P 
= 
16.7 
Feb. 28. A = 1.29, P = 15.5 
+ o.io, 
+ 
1.2 
280. On Hedyosmum nutans Sw. 
A 
= 1.42, 
P 
17.1 
Feb. 26. A = 0.73, P = 8.8 
+ 0.69, 
+ 
8.3 
109. On Baccharis scoparia (L.) Sw. Old leaves, 
A 
= 145. 
P 
= 
17.4 
Feb. 7, Host not taken. New leaves, 
A 
= 1. 16, 
P 
= 
13-9 
265. On Dodonaea jamaicensis DC. 
A 
= 1-59. 
P 
= 
19.1 
Feb. 26. A = 1. 41, P = 16,9 
+ 0.18, 
+ 
2.2 
III. Phthirusa parvifolia (Sw.) Eichl. 
133. On Clethra occidentalis (L.) Steud. 
A 
= 1. 15, 
P 
= 
13.8 
Feb. 9. A = 0.77, P = 9.3 
+ 0.38, 
+ 
4-5 
356. On Mecranium purpurascens (Sw.) Triana 
A 
= 1. 16, 
P 
= 
13-9 
March 4. A = 0.77, P = 9.2 
+ 0.39, 
+ 
4-7 
203. On Vaccinium meridionale Sw. 
A 
= 1. 18, 
P 
= 
14.2 
Feb. 18.' A = 1.25, P = 15. 1 
- .07, 
- 
0.9 
481. On Palicourea alpina (Sw.) DC. 
A 
= 1.23, 
P 
= 
14.8 
Feb. 16. A = 0.83, P = 10.0 
+ 0.40, 
+ 
4.8 
483. On Clethra occidentalis (L.) Steud. 
A 
= 1.28, 
P 
= 
154 
Feb. 16. A = 0.68, P = 8.2 
+ 0.60, 
+ 
7.2 
537. On Quercus sp. 
A 
= 1-30, 
P 
= 
15.6 
March 19. A = i.io, P = 13.3 
+ 0.20, 
+ 
2.5 
364. On Ilex montana (Sw.) Griseb. 
A 
= 1.31, 
P 
= 
15.8 
Sap from host was insufficient for a determination. 
246. On Vaccinium meridionale Sw. 
A 
= 1.38. 
P 
= 
16.7 
Feb. 24. A = 1.34, P = 16.1 
+ 0.04, 
+ 
0.6 
484. On Vaccinium meridionale Sw. 
A 
= 1-39, 
P 
= 
16.7 
March 16.^ A = 1.32, P = 15.9 
+ 0.07, 
+ 
0.8 
2(^2. On Duranta repens 1^. 
^ 
p 
10.0 
Feb. 28. A = 1.29, P = 15.5 
+ o.!i,' 
+ 
1-3 
204. On Baccharis scoparia (L.) Sw. 
A 
= 142, 
P 
= 
17.1 
Feb. 18. A = 1. 15, P = 13.8 
+ 0.27, 
+ 
3.3 
196. On Dendrophthora gracilis (Griseb.) Eichl. 
A 
= 149, 
P 
17.9 
Feb. 17. A = 1.26, P = 15.2 
+ 0.23, 
+ 
2.7 
247. On Baccharis scoparia (L.) Sw. 
A 
=^ 1-50, 
P 
18.0 
Feb. 27. A = 1.27, P = 15.4 
+ 0.23, 
+ 
2.6 
265. On Dodonaea jamaicensis DC. 
A 
= 1.63. 
P 
19.6 
Feb. 26. A = 1. 41, P = 16.9 
+ 0.22, 
+ 
1-7 
IV. Phthirusa pauciflora (Sw.) Eichl. 
no. On Baccharis scoparia (L.) Sw.^ Old leaves 
A 
= 141, 
P 
17.0 
New leaves 
A 
= I-3I, 
P 
15.7 
No determination made for the host. 
3 New leaves of the host gave: A = 0.93, P = 11.2. 
^ New leaves of the host gave: A = 1.18, P = 14.2. 
^ The identity of the parasite is in this case not quite certain. 
