bo 
SUP 
— 
bo 
be 
LI 
mn 
LI 
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ee Pm. mm p 
359 
P oxide Spring ; ; Bak. 1. c.48. Mt. Gough, Hongkong ; 
t Taiwai, Hongkong New Territory ; Chao- 
Un 
i nivis: ‘Bak. ; 1. e. 50. In Glencaly ravine above Conduit 
Rd. and Victoria PE Hongkong ; Lantao Island, Hong- 
kong New Territory. 
: insit. Spring ; Bak.1.c. 52. Hongkong without locality. 
. atroviridis, Spring ; Bak. l. c. 77. Not uncommon in shady 
ravines, Hongkong ; ; Lantao Island, Hongkong New 
Territory ; hill near xw e 
: involvens, Spring ; ; Bak. 1. e. 87. On Victoria Peak, Mt. 
Nicholson, Mt. Parker, ee elsewhere, Hongkong ; Lantao 
Island, Hongkong New Med 
canaliculata, Bak.; lec Mt "Gough, Happy Valley 
and Taitam ae Hongkong. 
action. Spring ; Bak. 1. c. 94. Lofoushan. 
flabellata, Spring; Bak. l. c. 98. Mt. Sin ad LU MP 
Happy Valley woods and elsewhere, Hongko 
es Bak. ; 1. c. 108. Hongkong without. locality. 
proniflora, Bak. ; zi c. 108. Little Hongkong, Hongkong ; 
Tamed ‘Island, me pua New Territory. 
heterostachys, Bak. ; I. c. 110. Hongkong without locality. 
tenera, Spring ; Bak. i c. 118. Victoria Peak, Mt. Kellet, 
t. Gough, and shady banks on the Aberdeen New Road, 
Baa. 
Un un 
Un 
RHIZOCARPEA E. 
Key to genera. 
: — de with single conceptacles, 
d 
ontaining one of sporange .. 2. 
Floating plant; conceptacles double, 
containing two kinds of sporange 3. Marsilea. 
. Leaves entire with anastomosing vena- 
Salvinia. 
l 
tion L 
Leaves very small, bifid, simple veined 2. Azolla. 
1.—SALVINIA. ' 
S. natans, Hoffm.; Bak. Fern ^m 135. North Point, 
pire e ditches near Chaochaufu. 
2.—AZOLLA. 
A. caroliniana, Willd. ; Bak. Fern Allies, 138. East Point, 
Hongkong ; Lantao Island, Hongkoug New MER) ; 
Ngchungshan, north of Mirs Bay, near Hongkong 
3.—MARSILEA. 
M. quadrifoliata, Zinn. ; Tem = ern Allies, 139. Stream near 
Chaochaufu ; West R 
