G36 Protococcoitleae, Palmellacete, Chlorochytrium. t 



Multiplicatio divisione repetita binaria contentus cellulae raa- \ 



tricis in zoogonidia numerosa, globosa vel piriformia, biciliata, se- j 



xualia vel neutra, s^epe per collum tubulosura cellulse matricalis -' 



extrinsecus vel inter cellulas plantae hospitis evacuata, subinde ; 



haud raro inter se copulantia. ^ 



Zygota ita eflformata dein germinantia, tubulo sacciformi ger- ■ 



minando matricem vivam penetrantia et intra eam demum per- ] 



fecte evoluta. Cystse raembrana crassa donatae nonnumquara re- " 



pertse. > 



s 



1. Chlorochytrlum Lemnae Cohn Beitr. Biol. Pflanzen I, 2, pag. 87, 1494[ 

 Hedwigia 1882, p. 4, Klebs in Botanische Zeitung 1881, p. 250, 



t. III, f. 1-10, Kirchn. Alg. Schles. p. 102, Hansg. Prodr. p. 125, i 



fig. 72, Cooke Brit. Freshw. Alg. pag. 202, tab. 31, f. 9-11. — : 



Cellulis globosis, oblongis, ellipticis vel irregularibus, usque ad j 



100 a. diam., prolongamento colli ad instar inter duas cellulas ,, 



epidermicas extrinsecus prorainulis ibique apiculo capitulato, hya« j 



lino clausis. ^ 



Hab. in Lemna trisulca in stagnis, fossis etc. in Silesia 



(Kirchner), Bohemia (Hansgirg), Italia (Martel), Suecia (Lager- " 

 heim), Neerlandia (D."* Weber van Bosse), Hibernia (Wright, 



Archer), Rossia (Kiabinine). " 



2. Chlorochytrium Knyanum Cohn et Szym. in Kirchn. Alg. Schles. 1495 j 

 p. 102, Klebs in Bot. Zeit. 1881, p. 255, t. 111, f. 11-15, Hansg. . 

 Prodr. p. 125. — Cellulis oblongo-globosis vel irregularibus, usque ! 

 ad 100 f/. longis, apiculo capitulato destitutis; ceterum fere ut in i 

 Chl. Lemnce. ; 



Hab. in Lemna minori et gibba, Ceratophyllo de- ; 



raerso etElodea canadensi in Germania (Kirchner, Klebs), j 



Bohemia (Hansgirg), Italia (Martel), Suecia (Lagerheim), Bossia ; 



Riabinine). — Suadente cl. Klebs loc. cit. p. 257, sistit verisimi- j 



liter tantura formam asexualem Chlorochylrii Lemnce Cohn. \ 



3. Chlorochytrium pallidum Klebs in Botanische Zeitung 1881, p. 257, 1493 ' 

 t. III, f. 16 a, f. — Cellulis minutissimis, dilute viridibus, ple- 

 rumque rotundato-laciniatis ; ceterura ut in Ch. Knyano. J 



Hab. in L e ra n a t r i s u 1 c a ad u Tubingen » Gerraaniae ; (Klebs) j 



in Rossia (Riabinine). ] 



4. Chlorochytrium? laetum Schroet. Neue Beitrage zur Algenkunde 1497 ! 

 Schlesiens in Jahre^b. Schles. Gesellsch. 1883, p. 181. — In meati- \ 

 bus intercellularibus vigens; cellulis globosis, coUo destitutis, mem- l 



