GLOSSARY 36^ 



RiMA (Lat., a cleft), a chink or cleft — Rimose. 



RivuLOSE (Lat. rivus, a stream), having sinuate channels or lines. 



RosuLATK (Lat. rosa, a rose), collected into a rosette. 



RoTUNDATE (Lat. rotundus, round), rounded. 



RuBRrcosE (Lat. ruber, red), reddish. 



Rugose, Rugulose (Lat. r^cga, a wrinkle or fold), wrinkled. 



Saccate (Lat, saccus, a bag), swollen, sack-shaped. 



Sanguineous (Lat.), blood-red. 



Saxicole, Saxicolous (Lat. saxum, a rock, colo, to inhabit), growing on 



rocks or stones. 

 ScABRiD, Scabrous (Lat.), rough with minute elevations. 

 ScROBicuLATE (Lat. scTobiculus, a little trench), marked with small pits. 

 Scutellate (Lat. scutclla, a salver), shaped like a platter — Scutelliporm. 

 SCYPHUS (Gr. skuphos, a cup), a cup-like dilatation of the podetium in 



lichens on the edges of which are borne the apothecia — Scyphiferous 



(ScYPHiPHOROUs), bearing scyphi. 

 Secund (Lat. secundus, second or following), with parts directed to one 



side only. 

 Septate (Lat. septimi, a fence or enclosure), divided by a partition or 



cell-wall. 

 Sessile (Lat. sessilis, sitting), without any stipe or stalk. 

 Setaceous (Lat. seta, a bristle), slender, bristle-like — Setuliform. 

 Sinuate (Lat. sinus, a curve), with a deep wavy margin. 

 Sinus (Lat., a curve or fold), a recess or re-entering angle, 

 SiROSiPHOiD, resembling the genus Sirosiphon (Stigonema), where the 



cells occur usually in two or more rows. 

 Smaragdine (Gr. smaragdos, an emerald), emerald or dark-bluish-green. 

 Sordid (Lat. sordidus, fouled), dirty in tint. 



Spadiceous (Gr. spadix, a palm-branch), bright date-brown in colour. 

 Speirogonimia (Gr. speiro, to sow, to scatter), gonimia single, scattered. 

 Spermatium (Gr. sperma, a seed), a spore-like body formed in the spermo- 



gone, regarded as a non-motile male cell or as a spore. 

 Spermogone (Gr. sperma, a seed, gonos, offspring), closed receptacle 



containing spermatia. 

 Sphinctriform, like the genus Sphinctrina (apothecia almost sessile). 

 Spinose, Spinulose (Lat. spina, a thorn), beset with spines. 

 Spongiose (Lat. spongia, a sponge), soft and spongy. 

 Spore (Gr. spora, a seed), a reproductive body which becomes free and 



germinates to form a new plant. 

 Spurious (Lat. spurius, illegitimate), counterfeit, apparent but not real. 

 Squamule (Lat. squama, a scale), a small thalline lobe. 

 Stellate, Stellato- (Lat., starry), star-shaped or radiating like the rays 



of a star. 

 Sterigma, pi. Sterigmata (Gr. sterigma, a prop), the stalk (spermatio- 



phore) from which the spermatia are abjointed. 

 Stipate (Lat.), crowded. 



Stipes (Lat., a trunk of a tree), stalk — Stipitate. 

 Stramineous (Lat. stramen, straw), straw-coloured. 

 Stratum (Lat.), a layer of tissue. 

 Striate (Lat. stria, a furrow), marked with parallel lines or ridges — 



Striatulate. 

 Strumosely (Lat. struma, a scrofulous tumour), with cushion-like 



swellings. 

 Stylospore (Gr. stulos, a column, spora, a seed), a spore borne on a 



filament. 

 Sub-, Latin prefix, signifying under, below or partly. 

 SuBicuLUM (Lat., an underlayer), a felted undergrowth of hyphoe. 

 Subulate (Lat. subula, a small weapon), Bhar.ed like an awl. 

 Sulcate (La-t.), furrowed or grooved. 

 Suture (Lat. sutura, a seam), a lino of opening. 



