277 



PSEUDDT.ESKKA OMCOCLADA, Kiiulb. n. sp. 



Allied to Psendolcskca atrovirens. Tufts loose, dark brown, 

 sparingly radiculose. Secondary stems sparingly branched ; 

 branchlets distant, short and julaceous ; paraphyllia numerous. 

 Leaves appressed when dry, falcate when moist, reflexed on the 

 borders, abruptly attenuate from the short ovate base to the 

 longer, sub-entire acumen, not striate; cells not confluent, short 

 with incrassatc walls, oblong-quadrate, only the uppermost nar- 

 row ; costa stout and very long; perichetial leaves longer, acum- 

 inate, scarcely reflexed on the borders; cells narrower; arche- 

 gonia IO-I2, paraphyses few, shorter. Dioecious. Capsules and 

 male plants unknown. 



■ On damp rocks, Mount Benson, Nanaimo, Vancouver Island, 



June 8, 1887. 



M. Cardot believes that this plant is a variety o{ Psendolcskca 



atrovirens. 



Thutdium (Cladopodium) j.ESKEOIDES, Kindb. n. sp. 



Plants very small ; tufts intricate, green, not glossy ; stems 

 filiform, irregularly divided, without paraphyllia ; branches not 

 attenuate, rootless. Leaves small, loose, erect-spreading, ovate- 

 oblong, acute or short-acuminate, very papillose, not pellucid, 

 erect on the borders, serrate all around ; cells rotundatc, the alar 

 scarcely distinct ; costa percurrent. Barren. Habit of Hetero- 

 claditim Jieteroptertim, 



On rocks at Cedar Hill, Vancouver Island, April 21, 1887. 



Thuidium Vancouvertensk, Kindb. n. sp. 



Plants minute, densely and irregularly pinnate, sparingly 

 radiculose, rarely flagelHferous, dark green, not glossy ; branches 

 short, very slender. Leaves ovate-deltoid, denticulate above 

 the middle, pellucid, faintly papillose; stem leaves decurrent, at 

 the base reflexed, acute; branch leaves smaller, looser, more 

 concave, oval and obtuse; cells hexagonal-oval, or rhombic, the 

 alar and marginal quadrate-rhombic ; costa slender, short, 

 scarcely reaching to the middle. Paraphyllia few or none. Peri- 

 chetial leaves longer acuminate, cells narrower. Capsule small 

 oblong, sub-erect; pedicel I cm. long. Dioecious. 



On rocks on the upper slopes of Mount Finlayson, at Gold- 

 stream, Vancouver Island, May 31, 1887, 

 Camptotheciuvi haviatidens, Kindb., var. TENUE, Kindb., n. var. 



Branches longer, filiform, leaves smaller only at the base and 

 hooked-denticulate at the apex. On rocks, Mount Erskine, Salt 

 Spring Island, Gulf of Georgia, May 10, 1887. 



