578 60. DRYADEiE. PLex.cal. 



Cal. bracteated; stam. 5; petals minute; 

 akenia on a dry receptacle SibbALDIa. 355. 



Cal. bracteated; siam. many; 

 akenia many, on a dry receptacle Potentilla. 356. 



Cal. bracteated ; stam. many ; 

 akenia spread over a fleshy receptacle . . Fragraria. 357. 



I. 353. DRYAS. Linnaeus. Mountain-avens. 

 Calyx 8 or 9-parted, naked ; tube rather concave ; petals 8 



or 9 ; stamens many ; ovaries headed ; style terminal ; ake~ 

 nium tailed, feathered ; seed ascending. 



Dry as chamcedrifolia. Germander mmiMain-avens. 



Leaves serrated. 



Caryophyllata alpina chatnaedryos folio. Rati Syn, 253, 4. 

 Teucrium alpinutn cisti flore, Ger. em. 659. 

 Chamaedrys spuria montana cisti flore, Park. lOG, 

 Dryas octopetala, Lin. S. P. 717. 

 Dryas octopetala chamaedrifolia, Persoon Syn. 1, 57- 

 Dryas alpina, Salisb. Prod. 



Stony alpine pastures ; perennial; July and August. 



Stejn decumbent, woody; leaves ovate, rather revolute ; 

 above bald, shining; beneath white, tomentose; peduncles 

 1-flowered, solitary, long, upright; Jlower white, large; 

 calyx hairy. 



II. 354. GEUM. Pliny. Herh-hennet. 

 Calyx-tube concave ; limb 5-parted, bracteated ; petals 5 ; 



stamens many; ovaries headed, on a dry, C3'lindrical re- 

 ceptacle ; style terminal, kneed, jointed ; upper joint dis- 

 similar; a^mwm headed, tailed ; ^eec? ascending. 



1. Geum urbamim. Town herl-lennei . 



Hoot-leaves lyrate, pinnate; stem-leaves ternate; stipules 



rounded, cut ; flowers upright ; akenium-awn hooked, naked. 



Caryophyllata, Rail Syn. 253, 1 ; Ger. em. 994, 1. 



Caryophyllata vulgaris, Park. 136. 



Geum urbanuin, Lin. S. P. 716. , 



Geum urbanum caryophyllatum, Persoon Syn. 1,57. 



Geum sordiduin, Salisb. Prod. 



Common avens. Herb-bennet. 



Woods and hedges ; perennial ; May to August. 

 Root woody; stem branched at top; lea/lets- cut, ser- 

 rated, hairy ; flowers terminal, solitary, yellow ; petals 



