( 12 ) 
IV— Davalliese. 
18. Davallia. 
(1) A. Stem articulated at point of junction with caudex. 
Esemobryoid series, 31 — 42. 
f. Invol. coriaceous, reniform, attached by a 
broad base, sides and apex free. 
* Invol. ample. Humata. 
1. Barren fr., pinnatifid. pedata, 
Loc. trees, Khasia. Sylhet southward. 
* * Invol. small, namow, thin. (Leucostegia). 
*f* Rhiz. creeping, 4 — 7. 
2. Bhiz. hypogoeus (underground) ; segm. subdimidiate. 
immersa. 
The only Dav. with underground rhiz. 
Loc. 7 — 8,000 ft., shady bank and rock. Sheopore Mt. Paras- 
nath. Landour, Jaberkait. Simla, rock on upper path descend- 
ing to glen ; Chadwick falls. 
3. Fr. pinnate, lane., main rack, slightly winged above. 
membranulosa. 
Loc. Bhotan to Kumaon. Bedd. F. B. I., 98. 
4. Fr. 2 to 3 pinnatifid lane, subcoriaceous ; rhiz. scaly, 
silvery brown. Assamica. 
Loc. Assam to Bhotan. Bedd. F. B. I., 94. 
5. Fr. bipinnate, ovate-delt. multidentata. 
Thomsoni Moore. 
Loc. 5 — 7,000 ft. Himal. of Sikkim and Nepal. 
6. Fr. 3 — 4 pinnatifid lane. delt. flaccid. chcerophylla. 
Pulchra Don. 
Loc. 9 — 10,000 ft. Assam to Simla, trees and rock abundant. 
Kangra. Kulu. Cashmere. Bedd. F. B. I. pseudo-cystopteris, 92. 
7. Fr. pinnate lane. delt. Clarkei. 
Doubtfully distinct from last ( Hookeri Moore ). 
Loc. 8 — 19,000 ft. Khasia. Sikkim. 
