114 



208. RUBUS. 



a. Cal. of Fr. reflexed. 



* Pr. ou angles of stem. Sp. 26-31. 

 ** Pr. scattered. Sp. 32-41. 



b. Cal. of Fr. spreading or erect. Sp. 



42-44. 

 Uncertain. Sp. 45. 



A. Herbaceous. 



1. Chamsemorus. L. simple, lobed, 

 plaited. Stem 1-flowered, witliout prickles, p. 

 6. Peati/ hills. Br. n. G. 



2. arcticus. Lts. 3. Stem 1-3-flowered, 

 witliout pricldes or runners, p. 5,6. High 

 stony moors. Sc. ? 



3. saxatilis. Lts. 3. Stem few-flowered, 

 somewhat prickly, with, long herbaceous run- 

 ners, p. 6. Cole, mountains. 



B. Shruhly. L. never digitate. 



4. idseus. Stems nearly erect, round, 

 downy and prickly. L. pinnate, of 3 or 5 Lts., 

 white beneath. s.S. 5, 6. Thickets. 



C. Shrubby. L. digitate. 

 i. Stem erect, or nearly so. PricJcles small, 

 confined to angles of stem. 



5. suberecttis. Stem angular. Fully de- 

 veloped L. pinnato-digitate. Lts. flexible ; 

 lowermost pair nearly sessile. Cal. of Fi-. re- 

 flexed. S. 6-8. Boggy thickets, n. Wales. Sc. 



6. plicatus. Stem angular. Pr. nearly 

 straight. Lts. plaited ; outer somewhat stalked. 

 Pan. a nearly simple corymb. s.S. 7, 8. Sandy 

 or stony, n. and m. Eui'. 



)8. fissus. Middle Lt. sometimes divided 

 into three. 



ii. Stem nearly erect. Branches descend- 

 ing, and often rooting. 



7. nitidus. " Stem angular, shining, 

 smooth. Pr. nearly straight, directed down- 

 wards. Lts. 5, shining above, green and pu- 

 bescent beneath. Lower pau- staUied, and not 

 overlapping the intermediate pair. Pan. com- 

 poand, leafy. Rachis polished. S. 7, 8. Hedges 

 and thickets" — Bab. 



iii. Stem procumbent or arched, and return- 

 ing to ground if not supported. With- 

 out seta. 



a. Calyx of Fruit adpressed. 



8. Salter!. " Stem procumbent, somewhat 

 hairy. Pr. straight, directed downwards. Lts. 

 5, hairy above, downy beneath. Lower pair 



shortly stalked, not overlapping. Pan. narrow. 

 S. 7,'8. I. of Wight."— Bab. 



9. tenuis. " Stem procumbent, terete, hair- 

 less. Pr. deflexed, equal, stout. Lts. usually 

 3, nearly smooth above, green and downy be- 

 neath. Pan. decompound. Fi'. of a few large 

 grains. Resembles R. csesius. S. 7, 8. s. 

 Eng."— Bab. 



b. Calyx of Fruit spreading or reflexed. 

 * Outer Lts. overlapping the intermediate. 



10. fastigiatus. " Stem decurved or 

 procumbent, angular, hairless. Pr. few, declin- 

 ing, on the angles of the stem. Lts. 5, flat. 

 Pan. nearly simple, leafy, corymbose at the 

 end. S. 8, 9. Thick woods. Dimifries-shire." 

 — Bab., who places this with the erect species. 



11. adSinis. Stem angular, hairless. Pr. 

 Lts. 5, not hoary ; the outer 



Pan. lax, compound, with cy- 

 s.S. 7, 8. Heaths and thickets. 



on the angles. 



nearly sessile, 

 mose branches 

 u. and m. Em- 



12. Grabowskii. " Stem arched, angularj 

 hairless. Pr. deflexed fi'om a dilated base. 

 Lts. 5, cordate, abruptly cuspidate, hairless and 

 dull above, downy and grey beneath. Pan. 

 somewhat cyUndiical, leafy at base. S. 8. 

 Leicestershire. ' ' — Bab . 



13. coryiifolius. Stem nearly round. Pr. 

 numerous, conical, straight, scattered. Lts. 5, 

 flat, softly hairy beneath. Sepals of Fr. re- 

 flexed. S. 7, 8. Hedges and thickets. 



14. balfourianus. Stem terete. Pr. slen- 

 der, straight, scattered. Lts. 5, soft and paler 

 beneath. Pan. corymbose. Bracts leaf-hke, 

 trifld. Sepals setose, erect, or clasping the 

 hemispherical fruit. S. 8. near Rugby. 



** Lts. 5, not overlapping. 

 t Prickles on angles of Stem. 



15. cordifolius. Stem nearly hairless. 

 Pr. all nearly ahke. Lts. coriaceous, cordato- 

 orbicular, green above, hoary beneath ; outer 

 stalked. Pan. very compound. S. 7, 8, 

 Hedges and thickets. 



13. rhamnifolius. Lts. ovate. 



16. discolor (/m&oOTMo/'SMiTH). Stem 

 clothed with fine close hairs. Lts. 5, subro- 

 tund, with a close, white, dull tomentum be- 

 neath. Margin deflexed. S. 7, 8. Hedges 

 and thickets. 



p. argenteus. Pr. crowded. 



R. precox o/'Bert. is probably a var. of this. 



17. leucostacbys. Stem clothed with 



