Pro to cocco ideæ (protokokoide e)

pl. [NL., Pro to coccus (prō-tō-kok'us), n. [NL. (Agardh), caceæ and cla Pro to cocco ideæ. They are in the strictest sense unicellular plants, being spherical, unbranched, and sin gle, or gathered into irregular groups or clusters. They are primarily always filled with chlorophyl green cytioplasm, which often changes to red by exposure or other circumstances. 3 They multiply rapidly by repeated bipartition of the cell-contents. P. virid is is exceedingly abun Red Snow ( Pro to coccus nival is), highly magnified. dant everywhere, forming broadly expanded strata of yel lowish or darker-green color on trunks of trees, moist rocks, walls, timbers of shaded buildings, old fences, etc. P. nival is is the well-known "red snow" which which frequently covers large tracts of snow in arctic or alpine regions in a very short time.