APPENDIX. 557 



(ii.) About J of pan. ultra-axillary. 



R. anglosaxonicus Gelert. Prk. strong. Prklets many, 

 scattered. Lts. thick, greyish-felted beneath : term, oval, 

 parallel-sided, shortly pointed. Pan. with strongly ascending 

 few-flowered branches. 



For subsp. curvidens, vestitiformis, raduloidcs and setulosus see 

 above. 



R. melanoxyion Muell. & Wirtg. Armature partly strong, 

 but very variable. St. and pan.-rach. blackish-brown or dark 

 purplish-brown. Term. It. roundish-acuminate, with even 

 toothing. 



2. Bas. Its. almost sessile in summer, with stalk becoming a 

 little longer in autumn. (Adenophori subcorylifolii Focke.) 



a. St. usually subglabrous. Sep. patent or erect on fall ot 

 pet. (Often sub-Koehlerian in armature.) 



R. infestus Weihe. St. high at first. Prk. mixed ; de- 

 clining, falcate and hooked. Lts. pale and often felted beneath ; 

 term, broadly ovate-acuminate. Pet. almost round. 



Var. virgultorum A. Ley. St. lower. Armature mixed ; 

 but falcate and hooked prk. fewer. Lts. shorter, more nearly 

 round. Pan. broad. Sep. ultimately reflexed. (Between 

 R. infestus and R. Bcrreri.) 



R. Leyanus Rogers. St. shining, pale. Prk. short, de- 

 clining. Lts. long-pointed, soft and often grey-felted beneath, 

 sharply evenly toothed. Pan. much narrowed in the ultra- 

 axillary top. (Subsp. of R. Drejeri. See below.) 

 6/St. hairy. 



(i.) Sep. reflexed in fl. and fr. 



JR. uncinatus P. J. Muell. Armature all slender. Lts. thin, 

 usually rather softly hairy in exposure, greyish-felted beneath. 

 Pan. narrow, cylindrical, very hairy, with prk. mostly falcate 

 or hooked. 



(ii.) Fr.-sep. at first patent or erect. 



R. Borreri Bell Salt. St. almost prostrate, yellowish-brown. 

 Prk. crowded. Acic. and stkd. gl. mostly small. Term. It. 

 obovate-cuspidate. Pan. with broad rounded top and many 

 unequal (chiefly sunken) stkd. gl. 



Yar. dentatifolim Briggs. St. with fewer stkd. gl., furrowed. 

 Lts. nearly oval, with very long gradually-acuminate point. 



R. Drejeri G. Jensen. St. fuscous, dull. L. 3-5-nate, 

 concolorous. Lts. shortly pointed, roundish-obovate, with 

 shallow rather irregular teeth, harsh beneath. Pan. long, lax, 

 narrow. Often sub-Koehlerian in armature. 



(Subsp. Leyanus Rogers.) See above in Subsection a. 



Subsp. hibernicus Rogers. Leaf-toothing loose, sinuate. 



