KEY TO PLATE XXXV 



No. i. Salad Burnet 

 (Potertum Sanguisorba, L.) 



a, Vertical section of flower (enlarged), 

 showing disk lining the calyx-tube, ovary,, A 

 perigynous stamens, ^ind tufted stigmai,, 

 with 3 sepals. , Flower, with sepals and 

 stamens exserted. r, Flower, with stigmas 

 exserted. d, Achene (strlate). e, Upper 

 part of plant, with pinnate stem-leaves and 

 flowers in various stages pistillate l 

 stammate^roui/d the margin. 



No. 2. Field Scabious 



a, Floret *nlargrd. with cun-shaped in- 

 Cycflucel, an-l bn>tle-lik-.: tecti. <* -calyx 

 crowning toe latter, ft, Section of floret, 

 with epip^talous stamens, c, Involucel and 

 calyx, with pistil with bristies and style, with 

 corolla removed. I $' Section of involucel 

 enclosing ovary, frowned by calyx with 

 brisrie-hke teeth !(|n!arged). e, Upper 

 part of plant, with pinnate leaves, and 

 -fl^werheads^axillary and terming i^i bud 

 and with flowers in stagnate c 

 tw 1 V 



. 



No. 3. Ploughman's Spikenard 

 co|l.; 



a, Achene, with pappus and ligul 

 from ray. , Inner scale of involucre. 

 <:, Outer scale of involucre. d> Tubuiar 

 or disk floret. <?, Inflorescence, with 

 upper stem leaves .below, showing flower- 

 iucral bracts in vanous 





a, Tubular floret, with pappus and acheno 

 below, and style abtne the lobed cuioiia. 

 d, Achene crowned by pappus in many 

 series. <r, Flowerhead, with bractsVof 

 involucre cut back showing dis'-. it. Upper 

 part of plant, with cottony stem-leaves, 

 winged stem, and flowerhead with bracts 

 below in a spinose involucre. 



