138 
26. EOSACE^. 
V. Systyl^. Sep. deciduous. Styles [more or less] united into 
a protruding column. St. arching or trailing, with uniform 
strong hooked prickles. [Fr. with a conspicuous disk.] 
12. R. stylosa (Desv. em., Baker) ; prickles equal hooked. 
Its. usually simply serrate slightly hairy beneath [rarely also above], 
sep. reflexed deciduous pinnate with a tapering point, fr. ovate 
with a j^rominent disk. — E. B. 1895. R. bibracteata ed. viii. — 
St. erect-archi7ig to 8 — 12 ft. in height. Fl. pale pink 
[or white] 3 — 6 ; ped. aciculate and setose ; column of styles 
falling short of Stam. glabrous, [a. DcsvauxU (Bak.); its. slightly 
hairy above decidedly so beneath, H. white, ped. glandular. /3. opaca (Bak.) ; Its. 
much more hairy, H. white, ped. naked. 7. 7;. st/sJi/la (Bast.) ; Its. glabrous above 
hairy principally on the veins beneath, fl. pink, ped. glandular. 5. R. Icucochroa 
(Desv.); like 11. systyla but fl. white, ped. glandular shorter, disk less prominent, 
styles less agglutinated, e. R. pseudo-rusticana (Crep.); Its. glabrous or with 
a few hairs on the midrib beneath, fl. white, ped. glandular, disk very prominent. 
R. virginea (Rip.); Its. glabrous simply serrate, fl. white ped. naked fr. 
globose, rj. R. evauida (Christ) ; Its. almost glabrous doubly serrate, ped. 
glandular.] Chiefly in the S. of England. Sh. VI. VII. E. 
13. R. arven'sis (Huds.) ; prickles equal hooked, Its. [usually] 
simply serrate and quite glabrous, sep. reflexed deciduous with 
a short point simply pinnate, fr. subglobose with a convex 
disk. — U. B. 188. — St. trailing. Lts. nearly flat. Fl. white 
usually 4 — 6 ; ped. glandular ; column of styles equalling the 
stam. glabrous. [^. R. bibracteata (Bast.); more robust, sep. rather more 
compound, fr. obovoid. 7. R. gallicoidcs (Desegl.); upper part of st. very 
glandular, fr. ovoid. 5. R. ovata (Lej.) ; prickles dilated circular at the base, 
Its. hairy on the midrib beneath, fl. larger, fr. ovoid, e. rcptnns (Cri p.) ; Its. 
doubly serrate.] — Hedges and thickets. Sh. VI. VII. E. S. I. 
13*. R. scmprrvircns (L.) ; 1. evergreen shining, those on the fl. branches often 
of only 5 Its., column of styles hairy. R. Melvini (Towndrow) from JIadreslield, 
Wore, with glabrous styles has been referred to this species. 
agrestis, 8. 
andegavensis, 10. 
apricoruin, 6. 
arvatica, 10. 
arvensis, l.-i. 
aspernata, 10. 
Bakeri, 11. 
bibractPata, 12, 13. 
Billietii, 8. 
Index to Rosa. 
Blondeana, 10. 
Bovrini, 9. 
Briggsii, 7. 
cii'iulua, 4. 
ca;.sia, 10. 
caniiia, 10. 
celerata, 1 1, 
cinerascens, 5. 
comosa, 6. 
conciima, 9. 
cordifolia, 2. 
coriifolia, 11. 
ciyjitopoda, 8. 
cuspidatoides, 5. 
decipieiis, 9. 
Desvauxii, 12. 
Doiiiaiia, 3. 
dumalis, 10. 
