LIVERWORTS OF THE WESTERN HIMALAYAS. 347 



it stops. Stalk up to 2^ c. m. s. with one rhizoid furrow containing tuber- 

 culate rhizoids, angular (due probably to the decay of the softer inner tissue 

 as only dry and old specimens were available), also greatly twisted when 

 dry ; scales present at base and apex. Receptacle and capsule seen only in 

 small pieces and in an unsatisfactory condition. Receptacle small, involucre 

 one or two. Sporogonium one in each ; foot small, seta a mere constriction, 

 capsule-wall of thinwalled cells ; elaters closely trispiral, 180u, yellow ; 

 spores-reticulate lamellate, 30u, yellowish. 



The plant has affinities with Reboulia and Plagiochasma. Found in Pangie ; 

 quite common ; 8,000 ft. 



Sauchia spongiosa, Kashyap. Gen. et sp. nov. (After Sauch Pass near 

 which it was found). Monoscious. Plants occur singly or in small patches, 

 with numerous adventitious shoots from the ventral surface just within the 

 margins. Thallus spongy, light green, thick, once or twice forked, occasion- 

 ally in rosettes ; lobes broad oblong 5-10 mm. x 4 mm., apex notched 

 rather deeply, margins entire, or slightly toothed, slightly raised. Dorsal 

 surface areolated, flat or with a narrow, shallow indistinct median groove in 

 the posterior part ; air-chambers wide and deep, empty, in one layer, directed 

 forwards obliquely ; stomata simple, slightly raised, surrounded by 3 series 

 of 8 cells each, innermost cells usually collapsed ; circular when young, 

 drawn out when old. In the oldest parts the stomata become disorganised 

 and the chambers open by the whole width and are visible to the naked 

 eye. Cells all thin-walled. Ventral surface greenish, midrib thick ; scales 



X 3 



Fig. 3. — Sauchia spongiosa x 3. 

 scattered, hyaline, small, triangular, proximal half of thin walled cells gra- 

 dually passing into the thick walled distal half ; the young scales have capi_ 

 tate mucilage cells projecting from the margins. Antheridia oblong cylin- 

 drical, 3 mm. long scattered on the dorsal surface of the lobes, especially of 

 those which enclose the female receptacles ; papillae inconspicuous. Female 

 receptacle in a fork formed by two lobes (cf. Exormotheca) ; Stalk 7 mm. 

 long in unripe specimens, with one rhizoid furrow containing a few tuber- 

 culate rhizoids, naked at base, but paleaceous at top ; scales lanceolate with 

 thin-walled proximal and a decidedly thick-walled distal half sharply mark- 

 ed off ; receptacle 4 lobed, with 4 bivalved or slightly tubular involucres 

 (lower wall of tube incomplete) ; stomata none, receptacle tissue absent ; in- 

 volucre walls with large chambers opening by irregular fissures inwards ; 

 archegonia one in each involucre. Sporogonia when young with a well- 

 developed foot. 



Habitat. — Moist shady rocks on the Ohamba-Pangie road, 10,000 feet. 



The plant is a connecting link between the Astroporece of Leitgeb and 

 the Exormotheca line. 



Athalamia pinguis, Falconer. (New Phytologist, Vol. XIV, No. 1) 

 Mussoorie. 



Athalamia dioica, Kashyap. n. sp. Dioecious. Thallus thick fleshy green, 



