496 Scientific Proceedings^ Uoyal Diiblin Society 



Ul.MACEJE. 



Ulmus glabra, Huds. — Cotyledons shortly petiolate, blade broadly obovate, 

 notched at the base, with pointed auricles, entire, truncate or slightly 

 indented at the tip, hairy. Petiole and hypoootyl hairy. Petiole 

 lJ-3 mm. long, blade 7J-9 mm. by 6-7 mm. 



Cotyledons green on iipper, whitish on under surface. First leaf 

 lanceolate, serrate, hairy. 



TJmbelltfer^. 



JEgojyodium Podnrjrarin Linn. — Seeds (1910) planted on 12th July, 1911. On 



28th October, 1911, noiie had germinated. 

 JEthusa Cynapium Linn. — Twenty-five seeds (1910) planted on 8th October, 

 1910. On 1st April, 1911, eleven had germinated. On 29th April, 1911, 

 no more had germinated. 



Cotyledons lanceolate, tapering to the base, glabrous, entire, 12^ mm. 

 by 2-2J mm. First leaf palmately lobed. 

 Angelica sylvesiris Linn. — Seeds (1910) planted on 22nd June, 1911. On 28th 

 July, 1911, some had germinated. On 28th October, 1911, no more 

 had germinated. 



Cotyledons linear-lanceolate, tapering at the base, entire, pointed , 

 glabrous, one-nerved, 19 mm. by l-J^mm. 

 Anikriscus sylveslris Hoffm. — Twenty-five seeds (1910) planted on 8th 

 Octobei-, 1910. On 4tli March, 1911, twenty-one had germinated. 



Cotyledons linear-lanceolate, tapering to the base, entire, glabrous, 

 32-35 mm. by 2-2|-mm. First leaf divided, with scattered hairs. 

 Apium nodiflonim H. G. Reichb. — Seeds (1910) planted on 12th July, 1911. 

 On 28th October, 1911, three had germinated. On 8th November, 1911, 

 another had germinated. 



Cotyledons elliptical-lanceolate, tapering at the base, obtuse, entire, 

 glabrous, 7-7^ mm. by 1-lJ mm. First leaf simple, broadly ovate, 

 crenate. 

 Caucalis nodosa Scop. — Seeds (1910) planted on 10th October, 1910. On 19th 

 November, 1910, several had germinated, and on 26th December, 1910, 

 the first leaf had developed. 



Cotyledons linear, tapering at the base, entire, glabrous, 12-18 mm. 

 by l^-lg mm. First leaf divided with scattered hairs. 

 C/icerophi/llum temukim Liun. — Seeds (1910) planted on 20th April, 1911. On 

 3rd June, 1911, five had germinated. 



Cotyledons linear-lanceolate, tapering to the base, entire, glabrous, 

 acute 47 mm. by 3^ mm. First leaf divided, hairy. 



