2. 
3. 
Is 
P 
"» 
i 
2. 
3. 
Kk 
- 
4. 
l. 
L 
l. 
2. 
Pinnae 3 ray ALS sae ele hs N: 
Pinnae more than 3 : « T 
Edge of pinnae finely toothed ICON EU 
Edge of pinnae not finely toothed — ... 4. cuspidatum. 
M. simplex, Hook.; Hook. et Bak. 1. 390. In Glenealy 
ravine, Happy Valley woods, Little Hongkong and 
elsewhere, Hongkong ; Taimoshan and Mirs Bay, Hong- 
kong New Territory ; hill near Chaochaufu. 
M. pde Pale Hook. et Bak. l. c. 391. Whampoa ; 
ien 
M. ema om - Hao: et Pew l. c. 392. uS E River. 
M. € Blume ; Hook. et Bak. l. c. 392. Taimoshan 
2600 ft., PORRO. New Territory ; ; Pak-kwa-ngan 
near Phoenix Mt., Swat 
98.—VITTARIA. 
.. Key to species. 
Sori sunk in a 2-lipped marginal gor 2. 
Sori in a coca eat d. line . 3. 
Veins bes wu. UL AME 
Veins 2. elongata, 
Midrib thor ; “fronds 6 to 18 inches 
long, 14 to 4} lines broad . 3. lineata. 
Midrib indistinct ; fronds 10 inches long, 
under 1 line br oad .. 4. caricina. 
V. filipes, Christ in Bull. Acad. bai Bot. 1907,150. Slopes of 
hoenix Mt., Swatow 
wa 
V. elongata, — Hook. et Bak. Syn. de 395. Lofoushan. 
. V. lineata, Swartz; Hook. et Bak. l. c. 396. — Taimoshan, 
Hongkong New DE slopes of Phoonte Mt., Swatow. 
V. caricina, Christ in Bull. Acad. Géogr. Bot. 1904, 109. 
Chaochaufu. 
29.—DRYMOGLOSSUM. 
D. carnosum, Hook,; Hook. et Bak. Syn. Fil. 397. Common 
on rocks and trees in ther Happy Valley woods and else- 
where, Hongkong ; Lantao Island "ed Krone Hong- 
kong New Territory ; near Chaochauf 
S0.—HEMIONITIS. 
H. Grifüthii, Hook f. et Thoms.; Hook. et Bak. l. c. 399. 
Taimoshan at 2800 ft., Hawking New Territory. 
31.—ACROSTICHUM. 
m to T 
Fronds simple ... e. l. austro-sinicum. 
pinnate ... : . 
nadie nds under 6 inches long | 4, quercifolium. 
3. 
Barren fronds more than 6 inches long 
