490 Scientific Proceedings, Royal Dublin Society. 



ThalictruM fiavum Linn. — Seeds (age uncertain) planted on 15th July, 1911. 



On 28th October, 1911, one had germinated. On 11th November, 1911, 



no more had germinated. 



Cotyledons lanceolate, tapering into the petiole, entire, obtuse, 



glabrous, 8^ mm. by 1-^mm. First leaf petiolate, ternate. 

 T. minus Linn.— Seeds (1909) planted On 6th May, 1911. On 14th October, 



1911, none had germinated. 



Eesedaceje. 



Reseda Luteola Linn. — Seeds (1910) planted on 3rd October, 1910. On 19th 

 November, 1910, some had germinated. 



Rhamnace.*;. 



lih/iniiius cathartkus Linn. — Seedlings obtained at Lough Ree on 16tli July, 



1910. Cotyledons .sliortly petiolate, obreniform, entire, glabrous. Petiole 



2 mm. long, blade 12-14 mm. by 15-18 mm. 

 R. Frangida'Lmn.—^e&A.s (1910) planted on 22nd June, 1911. On 28th 



July, 1911, one had germinated, and on 8tli June, 1912, another had 



germinated. 



Cotyledons subterranean. First leaves small, narrow, later ones 



crenate-serrate. 



ROSACEJE. 



Agrinionia Eiipatoria Linn. — Twenty seeds (1910) planted on 8th October, 

 1910. On 29th April, 1911, several had germinated. Hypocotyl and 

 cotyledons hairy. Cotyledons petiolate, blade fleshy, shortly oblong, 

 slightly notched or truncate at the tip, notched at the base, otherwise 

 entire. Petiole 7 mm. long, blade 4j-5jmm. by 4-4i mm. First leaf 

 simple, petiolate, hairy, with serrate margin. 



Cratcegm Oxyacantha Linn. — Ten seeds (1910) planted on 29th September, 

 1910. On 2nd April, 1912, six had germinated. Some seeds (1910) 

 were freed from the stone and planted on 26th April, 1911. On 8th 

 June, 1912, none had germinated. 



Dryas octojjetala Linn. — Seeds (age uncertain) planted on 19th October, 1910, 

 On 28tli October, 1911, none had germinated. 



Oeum rivals Linn. — Seeds (1910) planted on 19th April, 1911. On 11th 

 November, 1911, none had germinated. 



G. urhunum Linn.— Seeds (1910) planted on 12th July, 1911. On 28th 

 October, 1911, none had germinated. Cotyledons petiolate, blade entire, 

 obtuse, ovate, glabrous. Petiole 2| mm. long, blade 5J mm. by 3| mm. 



