406 CALIFORNIA.— SUPPLEMENT. {Alga. 



ginosis lineari-lanceolatis inferioribus pinnatifidis, laciniis obtusis, stipite muricato, rachi- 

 bus partialibus lanuginosis. Kaulf. — Willd. Sp. PI. v. 4. p. 403. Kaulf. Enum. Fil. p. 189. 



San Francisco. Dr Sinclair. — Very nearly allied to Pt. aquilina and Pt. caudata. 



2. P. (Allosorus, Presl.) andromedcefolia ; frondibus bipinnatis, pinnis patentibus, pin- 

 nulis subtrifoliatis, foliolis oblongo-ovatis nervosis margine revolutis. Kaulf. Enum. Fil. 

 p. 188. 



California. Chamisso. Douglas. — " Caudex repens, ramosns, crassitie pennce columbines, paleis ferru- 

 gineis dense tectus, radiculis filiformibus tomentosis fibrillosis instructus. Frondes 4-6 pollicares (fere ad 

 pedalem). Pinnce remotae, patentes, inferiores bipinnatae, superiores pinnatae, pinnulis inferioribus trifolio- 

 latis ; foliola bilinearia, ovata, obtusa, petiolata, supra nervosa, margine revoluta, caduea. Stipes 2-4-polli- 

 caris, teres, crassitie chordae mediocris, paleis sparsis obsitus. Rac/ies partiales tenuissima:, fragiles. Indu- 

 sium breve." Kaulfuss. — A very distinct and well-marked species. 



Okd. LXXII. MUSCI. Juss. 



1 . Neckera Californica, Hook, et Am. supra, p. 1 62. 

 San Francisco. Dr Sinclair. 

 1. Pterogonium julaceum, Hedw. 

 San Francisco. Dr Sinclair. 



Okd. LXXIII. LICHENES. Ach. 



1. Borrera leucomela, Ach. 

 San Francisco. Dr Sinclair. 



1. Ramalina homalea, Ach. — Hook, et Arn. supra, p. 163. 



1. Usnea barbata, Ach. 

 San Francisco. Dr Sinclair. 



Ord. LXXIV. ALG^E.* Juss. 

 Teibe 1. FUCOIDEjE. 



1. Fucus vesiculosus, L. — Harv. supra, p. 163. — /3. spiralis. Turn Ag. Syst. p. 276. 



San Francisco. Dr Sinclair. 



By the Honourable W. H. Harvey. 



