256 THE VOYAGE OF H.M.S. CHALLENGER. 



GRAMINEiE. 

 Poa cookii, Hook. f. 



Poa cookii, Hook. f. in Phil. Trans. Roy. Soc. Lond., clxviii. p. 22. 



Festuca cookii, Hook, f. Fl. Antarct., p. 382, t. 139 ; Oliver in Journ. Linn. Soc. Lond., xiv. p. 389 

 (varietas). 



Heard Island. Moseley. 



The typical plant is found in Kerguelen and Marion Islands. 



[Agrostis magellanica (Agrostis antarctica) is recorded from Heard Island in the 

 Botany of Kerguelen Island, p. 21, but this is an error.] 



CRYPTOGAMS. 



MUSCI. 



Ceratodon purpureus, Brid. 



Ceratodon purpureas, Brid. ; Hook. f. Fl. Antarct., p. 131 ; Mitt, in Journ. Linn. Soc. Lond., xv. p. 73. 



Heard Island. — In a small, starved, and blackened state, barren — Moseley. 



One of the most generally diffused of all mosses. 



Grimmia (Schistidium) insularis, Mitt. (Plate LIU.) 



Grimmia (Schistidium) insularis, Mitt, in Journ. Linn Soc. Lond., xv. p. 73. 



Monoica. Pulvinato-cadspitosa. Folia patentia, siccitate subfalcatim curvata, lanceolata, 

 subulato-angustata, superne carinata, integerrima, nervo crassiusculo percursa, cellulis superi- 

 oribus rotundis obscuris, basalibus ad nervum anmistis elonjratis, ad anp;ulo3 oblonp-is 

 rectangulis hyalinis ; perichaetialia erecta, convoluta, ovali-elliptica, acuminata, cellulis 

 basalibus oblongis angulatis, superioribus parvis oblongis rotundisque intermixtis. Theca 

 immersa, subrotunda, ore amplo, operculo conico-acuminato, periston) io dentibus brevioribus. 



Heard Island. Moseley. 



Grimmice maritimce statura habituque simillima sed foliis apice angustiore acuminatis 

 et basi cellulis diversiformibus areolatis margine nullibi recurvis. 



Bartramia robusta, Hook. f. et Wils. 



Bartramia robusta, Hook. f. et Wils. Fl. Antarct., p. 133, t. 59, fig. 4; Mitt, in .Journ. Linn. Soc. 

 Lond., xv. p. 73. 



Heard Island. — A small state of what appears to be this species is intermixed with 

 Ceratodon purpureus — Moseley. 



Also in Lord Auckland and Campbell Islands. 



