Sa a 
OcronsR 80, 1908) PrERIDoPHYTES OF THE Horn or NEGROS 
Athyrium fructuosum Copel. 
In very humid ravines, alt. 600 m., No. 10006. 
Zamboanga peninsula at same altitude. 
Caudex 45 cm. high, 15 cm. thick, stipes 2 m. long, 3 
to 4 cm. thick at the base and densely covered with soft 
dull brown trichomes above, green and smooth on the upper 
side, covered beneath with yellowish brown powdery scales 
which are easily rubbed off, and provided with blunt, rigid 
spines, frond 3 by 1.5 cm., "reduced at both ends and scat- 
tering toward the base." 
Athyrium Blumei (Bergsm.) Copel. 
In rich land, 550 to 750 m., Nos. 9869, 10245. 
Throughout the Philippines. 
India to Australia. 
Caudex suberect, 30 to 60 cm. high, ''A few inches thick," 
stipe green, heavy, spinescent, especially toward tbe base, fronds 
lto 3 m. long. 
Athyrium esculentum (Retz.) Copel. 
Alt. 300 m., No. 10115. 
Throughout the Philippines. 
India to Polynesia. 
Caudex 30 cm. high, 5 cm. thick. 
Athyrium tabacinum Copel. 
Alt. 1200 m., No. 9717. "''Locdo." 
Known only from Mt. Apo, at the same altitude. 
*Rootstalk a few inches high by an inch thick, stipes 
suberect, brown watery; fronds spreading, exceedingly variable; 
pinnae deep, dark green above, yellowish green beneath, flat, 
rigid and coriaceous.” 
Athyrium pariens Copel. 
Alt. 1200 m., No. 9716. '"laguibuyoc." 
Known only from Mt. Apo, at the same altitude. 
'"Caudex 3 in. high, lin. thick. This and A. tabacinum 
grow together; this always has more pinnae and thinner texture.’’ 
The two species also grow together on Mt. Apo, and I 
first collected A. tabacinum while mistaking it for A. pariens; 
but I afterward satisfied myself, as did Elmer, who did not 
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