MR. C. B. CLARKE ON THE FERNS OF NORTHERN INDIA. 595 
Milde, Fil. Europ. 239, Monogr. Equiset. 476-491, t. 26. E. virgatum and laxum, 
Blume, Enum. Pl. Jav. Fil. 274. E pallens, Wall. Cat. 1037. Hippochete debilis, 
Seem. Fl. Viti. 424. 
Throughout North India, from the plain at Calcutta to the mountains, ascending to 
6000 feet alt. ; common.—Distrib. South India, Ceylon, Malaya, Polynesia. 
4. E. ELoNGATUM, Willd. Sp. Pl. v. 8. Fertile and barren stems similar, branched : 
branches from the main stem at their base ascending; cones sessile, usually soli- 
tary; teeth of the sheath below the cone triangular acute, hardly elongate or 
caudate, not grooved on their keel—— E. ramosum, Schk. Krypt. Gew. t. 172 ù. 
E. ramosissimum, Desf.; Duval-Jouve, Hist. Nat. Equiset. 248-250; Milde, Fil. 
Europ. 284-238; Monogr. Equiset. 428—408, t. 24. 
North-west Himalaya, alt. 3000-8000 feet, frequent ; Kashmir, Baltistan; extending 
also to the plains of the North-west at Moradabad, 7. Thomson.—Distrib. Malabar Mts., 
North and West Asia. Nearly the whole of Europe, Africa, and America. 
[ Milde, Monogr. Equiset. 543, says that he has E. robustum, A. Braun, from Lahore 
and from Pondicherry; but there are no Indian specimens in the Kew bundle of 
E. robustum.] 
REDUCTION OF WALLICH'S HERBARIUM 
as to the North-Indian Ferns. 
1. Actinostachys digitata = Schizea digitata, Swartz. 
2. Schizea dichotoma (not from North India). 
3. Grammitis procera = Gymnogramme fraxinea, Bedd. 
4. » caudata — Gymnogramme fraxinea, Bedd. 
5. » decurrens — Gymnogramme elliptica, Baker. ; 
6. » flavescens — Gymnogramme involuta, Hook. (?nd sheet, with Asplenium 
ensiforme mixed.) 
7. » acuminata — Gymnogramme involuta, Hook. 
8. » diversifolia (not from North India). e 
9. » Hamiltoniana = Gymnogramme Hamiltoniana, Hook. 
10. » macrophylla = Gymnogramme involuta, Hook. 
ll. » affinis = Gymnogramme fraxinea, Bedd. 
12. vestita = Gymnogramme vestita, Hook. 
13. Anrop hybridum (not from North India). 
l4. » coriaceum (not from North India). 
15. » viscosum, Swartz. Good. 
16. » neriifolium = A. viscosum, Swartz. 
17. » marginatum = A. conforme, Swartz. — — > 
18. » decurrens (not from North India). ` 
19. » alcicorne (not from North India). 
20. ae . fuciforme (not from North India). 
