KEY TO CULTIVATED HERBS AND POTTED SHRUBS 



76 a Leaves fleshy ; plant not with fleshy tap-root 



Spinacia. 



b Leaves not noticeably fleshy; plant with a fleshy tap- 

 root Beta, p 147 



77 a Plants grown floating or submerged in water 78 



b Plants not grown in water 83 



78 a Submerged leaves finely dissected; floating leaves, when 



present, linear-oblong Cabomba. p 151 



b Leaves not finely dissected 79 



79 a Leaves rounded, 4 in. or more broad 80 



b Leaves not completely as in a 81 



80 a Leaves with the petiole attached to under side of blade 



Nelumbo. p 151 

 b Leaves with the petiole attached to margin of blade 



Castalia. p I$t 



8 1 a Leaves mostly clustered in a whorl at the top of stem 



Cyperus alternifolius. p 123 

 b Leaves not clustered as in a 82 



82 a Leaves linear, not petioled Iris, p 137 



b Leaves oblong to lanceolate, long petioled 



Aponogeton. p no 



83 a Plants more or less woody 84 



b Plants herbaceous, not woody 135 



84 a Plants trailing or climbing 85 



b Plants more or less erect, not trailing or climbing .... 91 



85 a Vines with prickles or thorns Rosa, p 166 



b Vines not with prickles or thorns 86 



86 a Plants with tendrils or aerial rootlets 87 



b Plants not with tendrils or aerial rootlets 89 



87 a Vine with tendrils in the axils of the leaves 



Passiftora caerulea. p 188 



b Vines with aerial rootlets; leaves evergreen 88 



88 a Leaves alternate, palmately lobed Hedera. p 191 



b Leaves opposite with entire margins Hoya. p 200 



89 a Leaves alternate with entire margins Plumbago, p 198 



b Leaves opposite 90 



90 a Leaves with entire margins Stephanotis. p 200 



b Leaves compound with 3 leaflets Jasminum. p 198 



91 a Leaves compound 92 



b Leaves simple 100 



92 a Leaflets immediately folding when touched, very sensi- 



tive Mimosa, p 170 



b Leaflets not sensitive to the touch 93 



93 a Leaflets 2 in. or less long 94 



b Leaflets usually 3 in. or more long 97 



94 a Leaflets 3, %-% in. long Cytisus. p 173 



b Leaflets 5 or more 95 



86 



