98 FLORA OF THE EAST RIDING OK YORKSHIRE. 



523. Rubu3 corylifolius. Sm., 74. 



(Hazel-leaved Bramble). 



Native, Eng^., 1-7. Jul)', HI- 



Verj' common in chalk-pits near Hessle and Willerby,* 



var. a. sablustris (Lees), near Sutton-on-HuU (C.W.),* var. 



b. cyclophyllus, Lindeb. chalk-pit near Willerby (C.W.),* 



also at Kelsey Hill, Holderness, August, 1901 (C.W.).* 



525. R. CSesiUS. Linn., 62. 



(Dewberry). 

 Native, Eng., 1-7. June, HI. 



Common and fruiting richly. The first of the brambles to 

 ripen its fruit. Several puzzling varieties or hybrids have 

 been noted in Holderness. Var. aquaticus, W. and N., near 

 Cottingham and Swine. One of the commonest Rubi in 

 East Yorks., but its forms have not yet been thoroughly 

 determined. 



529. Geum urbanum. Linn., 107. 



(Herb Bennet). 

 Native, Brit., 1-7. June, lY. 



Very common in hedge bottoms. 



530. G. rivale. Linn., 93. 



(Avens). 

 Native, Brit., 1-7. June, IV. 



Very frequent, and often showing sport forms, as foliage 

 leaves for sepals, and proliferous forms (i-/>.s. Hbm. J.F.R.). 

 Hybd. urbanum ( = intermedium, Ehrh.). This hybrid is 

 also frequent near Cottingham, &c.* 



531. Fragaria vesca. Li)in., m. 



(Wild Strawberry). 

 Native, Brit., 1-7. June. 



Not very common in Holderness ; common on the Wolds. 



532. F. elation Ehrh. 

 Alien. June, I. 



In young plantations, Brantingham (C.W.). 



