16 16 Proceedings of the Royal Irish Academy. 



Cosmarium abbreviatum Kacib. — VL. 



var. planctonicum W. & G. S. West — Plankton of LG. 

 f. minor W. & G. S. West.— W. 

 amoenum Breb. — W ; From several places in C, from 50 x 'tl up to 



59 x 31/* ; D, 43-5 x 26/*, 48 x 31/*, 46-6 x 30/*, 52-6 x 28**. 

 anceps Lund. var. crispulum Nordst. — L, lS - 3x ll - 6/*. 



var. TATRICOIDES var. nov. — Var. eellulis relative latioribus, 

 cum isthmo ancipitis seel forma tatrici, cytiodermate glabra. 

 0, 33x21/*. 

 angulosum Breb. var. concinnum (Babenh.) W. & G. S. West. — W., 

 CP, D, L ; C, I2xl0'3/*, in several places. In one of the 

 collections from Clare I. a large form was seen 21 x 18-2/*. 

 *binum Nordst. — W. 

 bioculatum Breb. — W. 



f. depressa Schaarschm. — S.W. of D, a small form 10/* long, 

 11/* wide. 

 bipapillatum W. & G. S. West— W. 

 bipunctatum Borg. — W. 

 Blyttii Wille.— SL, W ; C, 16 x 14/*. 

 Boeckii Wille.— L, D, VL, M, SL; C, 38 x 34/*. 



Botrytis (Bory) Menegh.— C, L, CI; W, 55 x 50/, ; DL, SL, LG, VL, Cr; 

 CP, rather large and wide examples, 80 x 68,i. 



var. mediolaeve West. — C, 65-67 x 51-53/*, also in another 

 locality 59 x 49/* ; W. 

 Brebissonii Menegh.— C, 106 x 76/* ; M ; W, 100 x 68/*. 

 Broomei Thw. — W. 

 caelatum Ealfs.— C, 48 x 44/* ; W. 



var. spectabile (De Not.) Nordst. — D, 46 x 40-5 ;j . 

 circulare Beinsch. — W. 



f. minor W. & G. S. West.— W. 

 conspersum Balfs. — W. 



var. latum (Breb.) W. & G. S. West.— Cr, 80 x 71/*. 

 contractum Kirehn. — M, a form between the type and var. elhpsoideum 



(Elfv.) W. & G. S. West. 

 corriense Bissett. — Cr, 39 x 29/*. 

 crenatum Balfs. — L; D, 21-5 x 19//. 



Cucumis Corda. — W ; M, rather broad forms, 65 x 43/* ; I, B, L ; C, from 

 one locality on dripping rocks among Vaucheria a broad form 

 occurred 62 x 45/* : from L. Creggan 65 x 37'5/i, isthmus 20-8/* ; D, 

 a small form 52'6 x 28-3/*. 



