394 University of California Piihlications in Botany [Vol. lo 



Faucheocolax gen. nov. 



Genus Floridcarum parasiticnm in structura frnctifieationeque 

 ad Faucheam arete approximans; frondibiis albidis aut albido-luteis, 

 verrucaeformibus, parte basali solidis, ramos fertiles paucos aut 

 numerosos emittentibus; tetrasporangiis cystocarpiisque et quoque 

 structura frondis iisdem specierum Faucheae, sed frondibus para- 

 sitieis et decoloratis. 



Faucheocolax attenuata sp. nov. 



Frondibus circa 2 mm. diam. ; ramis fertilibus brevibus simplicibus 

 aut ramosis, tetrasporantriiferis basi plus minusve tumidis, supra 

 attenuatis. cystoearpiiferis supra in cystocarpiis terminatis, tetra- 

 sporangiis cruciatis. 



Parasitic on Fauchea lacini-ata J. Ag,, Carmel Bay, California, 

 May, 1915, N. L. Gardner, No. 2867. 



This species is probably widespread on the Pacific coast of North 

 America, but I quote, here, only the locality of the type. 



Rhod3Tneniocolax gen. nov. 



Genus Floridearum parasiticum in structura frnctifieationeque 

 Rhodymeniam arete approximans ; frondibus minutis, e basi solidis, 

 exiguis, hostam plane penetrantibus ramos curtos crassosque irregu- 

 lares et indistincte ramulosos gerentibus, oriendis, 



Rhodymeniocolax botryoidea sp. nov. 



Frondibus circa 8 mm. latis ; ramis usque ad 0.75 mm. altis ; cysto- 

 carpiis terminalibus. 



Parasitic on RJwdymenia Pahnettaf, Whites Point, San Pedro, 

 California, June, 1908, N. L. Gardner, No. 2067. 



Gonmiophyllum Skottsbergii sp. nov. 



Frondibus nanis, membranaceis, confertis, rosulatis, lobatis, plus 

 minusve irregulariter laeiniatis et cucullatis, usque ad 5 mm. latis, 

 dilute rosea; tetrasporangiis polysporis massam globosam conti- 

 mentibus, sporis radiatim positis, regulariter sparsis; cj'stocarpiis 

 unilateral iter proeminentibus. 



Parasitic on the stout basal portions of Nitophyllum Ruprecht- 

 ianum J. Ag.. at Lands Fiud, San Francisco, California, December, 

 1905, W. A. Setchell, No. 6227. 



This is a plant frequently found in rosettes at the base of the 

 "stipe" of Nitophyllum Ruprechtianum J. Ag. all along the Pacific 

 coa-st of North America. I have quoted only the type specimen since 



