61 OXX. PODOSTEMONACEE. (J. D. Hooker) [Hydrobryum. 
2-sexual, each enclosed in a sessile membranous sheath. Periagth 0. 
Stamens 2, filaments united below; staminodes 2, linear. Ovary ovoid, 
2-celled; stigmas 2, subsessile, broad, flat, spreading, crested or toothed, 
deciduous. Capsule long-pedicelled, ovoid ; valves equal 5-ribbed. ; 
H. Griffithii, Tul. in Ann. Sc. Nat. Ser. 3, xi. 104, and Monogr, 
Podost. 141; Wedd. in DC. Prodr. xvii. 67. Podostemon [Griffithii, Walt. 
mss.; Griff. in As. Res. xix. 105, t. 17, and Ic. Pl. As. t. 541, f. 2, & t. 544. 
P. Griffithii, Gardn. in Cale. Journ. Nat. Hist. 1850, 40, 41. 
Kuasta Mrs., on rocks in streams, alt. 2-3000 ft., Griffith, J. D. H. & T. T. 
Plants consisting of small coriaceous green frond-like lobed patches about 1 in. 
broad adhering firmly to stones, with buds irregularly scattered over the surface ; 
flowering buds of 6 distichously imbricating leaves about jj in. long, the lower of 
which have often filiform tips. Spathe about 7, in. long. Stamens as long as the 
ovary ; anthers oblong ; staminodes with subspathulate tips, appressed to the ovary 
in bud. Ovary subglobose; style very short, stigmas cuneate. Capsule oblong* 
lanceolate, valves delicately ribbed. ; 
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3. PODOSTEMON, Wichauz. 
Herbs of various habits. Pedicels scattered and adnate to the stem or 
in terminal or lateral very short branches which are naked or scaly at the 
base. Flower 2-sexual sessile in a little spathe, with 2 linear staminodes at 
the side of the staminal column. Stamens 2, filaments united below. Ovary 
ovoid, 2-celled; styles short linear subulate or ovate acute. 
pedicelled, ovoid, or ellipsoid ; valves 3-5-ribbed, persistent or one deci@gous. 
—Species about 20, American, Madagascarian and Indian. l 
Sect. I. Dicræa. Stems branched, floating. Flower-buds few, lateral 
on the branches. 
1. P. dichotomus, Gardn. in Calc. Journ. Nat. Hist. vii. 165; 
‘stems dichotomously branched compressed floating, flowering branches 
elongate flexuous, flowers distichously alternate on short leafy branches, 
sheath of connate leaves the lower of which are scale-like the upper subu- 
late, capsule ellipsoid. Dicræa dichotoma, Tul. in Ann. Sc. Nat. Ser. 3, xi- 
101, and Monogr. Podost. 119, t. 9, f. 1.; Wedd. in DC. Prodr. xvii. 69. 
DeccaN PENINSULA, in streams of the Western Ghats. 
P. dichotomus proper; stems slender flexuous and angled. Dicræa dichotoma, 
Tul. in Ann. Se. Nat. Ser. 3, xi. 100, and Monogr. Podost. 114; Wight Ic. t. 1916 
f. 2.—Nilghiri Mts. ; in the Pycarrah River, Wight. ] 
Var. Wightii, Wedd. 1. c.; stems and branches shorter broader more flexuous, 
leaves subulate, flowers more numerous. P. Wightii, Gardn. 1. c. ; Wight Ie. 
t; 196, f.3. Dierza Wightii, Tul. ll. c.—Nilghiri Mts.; in the Pycarrah River, 
"ight. 
Var. longifolia, Wedd 1. c.; habit of var. Wightii, but leaves e 
the lower be Dicrzea longifolia, Wight L. c. 1916, f. 1.— Malibu Tonay porn ü 
Var. rigida, Wedd. l. c. ; stems and branches stouter more rigid flowering through- 
eats all cue ike and connate into a tubular 2-fid "sheath. P. rigidus, 
ardn, L. c. icræa rigida, Tul. ll. c. ; Wight Ic. t. — Nilehiri si 
the Pycarrah River, Wight. pag t, I916, f. 6.—Nilghiri Mis, ie 
2. P.stylosus, Benth. in Gen. Pl. iii. 112; stems very long branched 
compressed margins floriferous, leaves 4 distichously imbricate inner obtuse 
subcuspidate sheathing the spathe, stigmas pubescent equalling or exceeding a 
Capsule long- - 
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