KEY TO CULTIVATED HERBS AND POTTED SHRUBS 



31 a Plant cultivated for the edible root Raphanus. p 158 



b Plant cultivated for the leaves; leaves pinnately lobed 



Lepidium sativum. p 757 

 c Plant cultivated for the leaves; leaves compound with 



7-19 ovate leaflets Sanguisorba sanguisorba. p 166 



32 a Plant sparingly cultivated for the seed; beak of pod 



flat, sword-shaped Sinapis. p 158 



b Plants not completely as in a Brassica. p 158 



33 a More or less woody plants cultivated in pots, tubs, or 



in greenhouses in the North 34 



b Plants not completely as in a 38 



34 a Leaves 2 ft. or more long Musa sapientum. p 138 



b Leaves 6 in. or less long 35 



35 a Leaves alternate 36 



b Leaves opposite 37 



36 a Petioles of leaves winged; plants cultivated for the fruit 



Citrus, p 179 

 b Petioles of leaves not winged; plant cultivated for the 



leaves Camellia thea. p 185 



37 a Leaves 3-6 in. long, abruptly pointed at apex, wavy- 



margined Coffea. p 213 



b Leaves 1-4 in. long, not abruptly pointed at apex, entire 



margined Olea. p IQQ 



38 a Leaves usually hollow, with an onion-like odor.. lllium. p 133 

 b Leaves not with an onion-like odor 39 



39 a Plant cultivated in pots in the North; leaves linear, 



rigid, sharply- toothed, arranged in a whorl or rosette 



Ananas, p 132 

 b Plants not completely as in a 40 



40 a Leaf-like organs thread-like, about i in. or less long; 



flowers bell-shaped; plant 2-6 ft. high 



Asparagus officinalis. p 135 

 b Plants not completely as in a 41 



41 a Leaves with sheaths which fold completely around the 



stem ; flowers without a perianth 42 



b Leaves not completely as in a 55 



42 a Staminate flowers in a terminal panicle, the pistillate in 



axillary spikes or ears ; corn Zea. p 1/8 



b Flowers not arranged completely as in a 43 



43 a Flowers arranged in a terminal spike 44 



b Flowers arranged in panicles 48 



44 a Spikes 4-sided 45 



b Spikes more or less cylindric 46 



45 a Leaves glaucous; spikelets 2-3-flowered Secale. p Il8 



b Leaves not glaucous; spikelets 4-5-flowered. Triticum. p Il8 



83 



