CONVOLVULUS.] CONVOLVULACEJE. 285 



3. C. Soldanel'la, L. ; stem procumbent, leaves orbicular or reniform. 

 Sandy sea-shores from Isla and Forfar southd. ; Ireland ; Channel Islands ; 

 fl. June- Aug. Glabrous. Rootstock slender, running extensively. Stems 

 6-12 in., slender, rarely twining. Leaves |-1| in. diam., fleshy, usually 

 much broader than long, lobes rounded; petiole 1-3 in., suddenly dilating 

 at the tip. Flowers 1-1| in. diam., pale purple or pink ; peduncle solitary, 

 1-fld., 4-quetrous ; bracts ^-f in., broadly oblong, obtuse, shorter than 

 the similar or retuse unequal sepals. Capsule large, incompletely 2-celled. 

 Seeds ^ in. diam., obtusely 3-gonous, smooth, black. DISTRIB. From 

 Belgium southd., N. Africa, W. Asia, S. temp, regions. 



2. CUS'CUTA, Tournef. DODDER. 



Slender, twining, leafless, pink yellow or white, annual parasites. 

 Flowers in bracteate heads (in British species), rarely spiked. Calyx 4-5- 

 fid. Corolla urceolatc, persistent ; limb 4-5-fid ; tube naked, or with a 

 ring of scales below the stamens. Stamens 4-5, inserted on the corolla- 

 tube. Ovary 2-celled ; styles 2, free or connate, stigmas acute or capitate ; 

 ovules 2 in each cell, erect. Capsule 2-celled, circurnsciss at the base, 

 cells 2-seeded. Seeds angled ; embryo filiform, undivided, spirally coiled 

 ' round the fleshy albumen, radicle thickened DiSTEIB. Temp, and trop. 

 regions ; species about 80. ETYM. doubtful. 



1. C. europse'a, L. ; sepals erect obtuse, tips spreading, corolla twice 

 as long ventricose above, scales short or 0, stamens included. 



On nettles, vetches, &c., from York to Sussex and Devon, rare; fl. July-Sept. 

 Stems as thick as twine, reddish or yellow. Flower-heads |-| in. diam., 

 tinged with red. Sepals fleshy at the base only. Corolla-lobes about as 

 long as the tube, obtuse, spreading. Scales appressed to the corolla-tube, 

 remote, 2-fid. Styles included. DISTRIB. Europe, N. Africa, Siberia. 



2. C. Epi'thymum, Murr. ; sepals suberect acute shorter than the, 

 cylindric corolla- tube, scales converging toothed, stamens exserted. 



On furze, thyme, ling, &c., from Ayr southd. ; Channel Islands ; fl. July- 

 Get. Stems filiform, very slender, reddish. Heads f- in. diam., variable 

 in colour. Corolla-lobes spreading. Scales large, contiguous. Styles exserted. 

 DISTRIB. From Denmark southd., N. Africa, W. Asia. C. Trifo'lii, Bab., 

 is a variety with shorter distant scales, found sporadically in clover fields. 



C. EPI'LINUM, ' Weihe ; sepals acute appressed to the equally long in- 

 flated corolla-tube, scales small distant toothed, stamens included. 

 Sporadic on flax in England, Scotland, and Ireland ; fl. July- Aug. About 



as large and stout as C. europa'a, but usually paler and nfbre succulent. 



Sepals fleshy, triangular-ovate. Corolla-lobes obtuse. Scales incurved as in 



C. Epi'thymum, but smaller, distant, often 2-fid. Styles short, included. 



DISTRIB. Europe. 



