60 17. ROSACE.^. 



ovary treo or adherent to the calyx, and consisting of 1 or 

 several carpel-s, with a corresponding number of styles ; 

 leaves alternate. 



Woody plants, with prickles or spines. 

 Prickly shrubs ; carpels numerous. 



Fruit formed of little drupes united in 



a globular head; ovary superior ... Rur.rs 1 

 Fruit formed of dry carpels enclosed in 

 the succulent calvx-tube ; ovary in- 

 ferior .' ... Rosa 2 



Spiny shrub ; fruit containing 1-3 bony 



nutlets ... Crat.egus 3 



Herbs ; corolla absent ; ovary inferior. 



Calv.x; 4-lobcd; flowers unisexual Potep.hm 4 



Calyx double, 8-lobed ; flowers bisexual ... Alchemilla 5 



1. EuBus, L. 



Calyx 5-lobed; petals 5; fruit berry-sliapwl, composed 

 of numerous succulent 1-seeded carpels united on the con- 

 vex receptacle. 



Loaves odd-pinnate, of 3-5 leaflets ; stipules 

 united to the petiole at base. 



Leaflets toothed H. fnitirosus 1 



Leaflets deeply subdivided If. hichthittts 2 



Leaves simple, lobed H. nwlnccnints 3 



1. Rubus fruticosus, L. BUnkhci in, Bramble. 

 Root.stock perennial; stems long, erect or recurved, lasting 

 for a few years, armed with prickles and usually more or 

 less hairy; leaflets 3-5, oval-acute, saw-toothed, usually grey- 

 tomentoso beneath ; stipules long, linear ; flowers white or 

 pink in terminal panicles; fruit black. 



Near creeks in the Mount Lofty Range.— Oct. -Dec. — 

 Europe, Asia. 



2. R. laciniatus, Willd. Cntlcacrd Blackberry. 

 Sometimes considered a variety of the preceding, but a very 

 distinct form, owing to the leaflets being deeply incised, 

 with broad mucronate teeth, or even cut to the base into 

 secondary leaflets, green and glabrous above, grey-tomento.se 

 below; calyx tomentose, prickly, with long, pinnatifid lobes; 

 petals pink, tiifid. 



Bridgewater. — Oct. -Dec. — Widely distributed; country of 

 origin uncertain. 



3. R. molucca.nus, L. Branches and petioles 

 densely tomentose, with small recurved prjckles ; leaves 

 large, thick, almost circular, cordate, with 5-7 .short, broad, 

 finely-toothed lobes, bright-green, deeply wrinkled and sub- 

 glabrous above, rusty-tomentose beneath ; flowers large, 



