pseudo-unicellular 



(ADDITIONS) 



sporideus 



foot), resembling a pseudopodium 

 ( Archer ) ; pseu'do-unicel'lular 

 ( + UNICELLULAR), apocytial, as 

 Caulerpa. 



Pterido'ma (irrepls, a fern), the body 

 or substance of a Fern. 



Pulsel'lum (puho, I beat), a pos- 

 terior flagellum of a zoospore 

 (Lankester). 



pyrenocar'pic, relating to a pyreno- 

 carp, or perithecium. 



Pyr'rhophyll (irvppos, flame-coloured, 

 <j>6X\oi>, a leaf), the colouring matter 

 contained in the Peridineae (Warm- 

 ing)- 



Ra'miform ( + FORM), an extreme 

 modification of GREGIFORM, usually 

 of monophyletic origin (Kuntze). 



ra'phal, relating to the RAPHE. 



Ra'roform (rarus, infrequent, + 

 FORM), a new form with imper- 

 fect connections with its surround- 

 ings (Kuntze). 



Resolution (resofot^'o, an untying), the 

 division of a coenocyte into uni- 

 nucleate cells (Hartog). 



retina'culate, possessing RETINA- 

 CULA. 



rheotac'tic, adj. of Rheotax'is (rdi-is, 

 ordv.r), a synonym of RHEOTROP- 

 ISM. 



Rhizophyl'la or Rhizinophyl'la, pi. 

 (^>i\\ov, a leaf), the postical bracts 

 of Hepaticae, which bear the 

 rhizoids (Spruce) ; Rhi'zocorm ( + 

 CORM), J. Smith's term for the 

 fleshy rhizomes of Iris, Acorus, etc. ; 

 rhizop'odous (wovs, irodos, a foot), 

 ueed in the sense of amoeboid. 



Rhodoplas'tid, the chromatophore of 

 Rhodophyceae (?) (Darbishire). 



sapota'ceous, relating to or resem- 

 bling Sapotaceae. 



Sar'cocaul (KO.V\OS, a stem), a fleshy- 

 stemmed plant, as the Cacti and 

 many Euphorbias (J. Smith). 



Sat'us (Lat., a sowing), arising from 

 seed sown ; Sat'iform ( + FORM), a 

 NOVIFORM which is reproduced by 

 seed (Kuntze). 



scalar'iform Conjuga'tion, when the 

 entire algal filament is concerned 

 in the act of conjugation (A. W. 

 Bennett). 



Schistogam'ia = SCHISTOGAMAE, Cha- 

 raceae (Caruel) ; schizom'erous 

 (yuepos, a part), splitting into por- 

 tions. 



Scleromyce'tes, pi. (/JLVKW, a mush- 

 room), an obsolete name for the 

 Sphaeriaceae. 



scytone'matous, allied to the genus 

 Scytonema (Archer). 



Sec'tors, cf. PERICYCLIC SECTORS. 



sedimen'tary Yeast, bottom -yeast. 



se'tose, add, (2) having setae usually 

 ending in glands (Babington). 



Sheath, add, (3) the lower, longer 

 portion of the cell-wall in division 

 in Oedogonium (Potter). 



Shield, add, (3) in Coniferae, the 

 thick rhomboid extremity of the 

 cone-scales (Potter). 



Sic'kle, = DREPANIUM (Potter). 



Sing'uliform (singulus, separate + 

 FORM), a plant in which one organ 

 varies independently of another 

 (Kuntze). 



sipho'neous (at<pwv, a tube), applied 

 to Algae composed of one or more 

 tubes. 



sirosiphona'ceous, allied to SirosipJum 

 (Archer). 



Sobri'niform (sobrinus, a cousin, + 

 FORM), a VERSIFORM which belongs 

 to a SUBGREGIFORM, as Rubus 

 mohtccamts, Linn. (Kuntze). 



Sorid'ium, Hicks's variant of SORE- 

 DIUM. 



So'rus-canals, cavities in the young 

 sporangia of certain Pteridophytes 

 (Campbell). 



Sperma'rium, H. Gibson's term for 

 ANTHERIDIUM ; Sperm'ary, = 

 POLLEN-TUBE ; spermatoplas'mic, 

 relating to the SPERMATOPLASM. 



sphae'rioid (elSos, resemblance) = 



SPHAERIACEOUS. 



sphe'noid (<rtj>r)v, a wedge), wedge- 

 shaped solid, cuneate (Heinig). 



Spi'roid, a delicate thickening in the 

 cells of the tentacles of Drosera 

 (Kerner). 



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