182 ROSE ORDER 



(a) Flowers white D. ennedndra 



(b) Flowers red to purple D. landta 

 b. Leaflets 13-41 ; flowers in a dense spike, white 



or pink D. alopecuroides 



2. Flowers yellow, or fading to purple 



a. Leaflets 3, palmate ; flowers becoming purple D. Jdmesii 



b. Leaflets 5-7, sometimes 3, pinnate ; flowers per- 



manently yellow or becoming purple D. aurea 



GLYCYRRHIZA Linne 1753 WILD LIQUORICE 



(Gr. glykys, sweet, rhiza, root) 



PL 29, fig. 8. 



Sepals 5, united into a tube, petals 5, white, stamens 10, 9 united, pod 

 covered with prickles, remaining closed or nearly so; flowers in spikes; 

 leaves odd-pinnate, of 11-19 leaflets; perennial. 

 Stems 1-4 ft. high; leaflets lanceolate to ovate, 2-4 



cm. long G. lepidota 



HEDYSARUM Linne 1753 



(Gr. hedysaron, the name of a vetch) 



PL 29, fig. 7. 



Sepals 5, united into a tube, petals 5, violet, purple, yellow or white, 

 keel longer than the wings, stamens 10, 9 united, pod flat, constricted into 

 joints; flowers in axillary racemes; leaves odd-pinnate of 11-23 leaflets. 

 Plants .5-3 ft. high, smooth or hairy ; flowers blue to 

 purple, yellow or white, 10-15 mm. long; calyx-teeth 

 shorter to longer than the tube H. americdnum 



LATHYRUS Linne 1753 LATHYRUS, SWEET PEA 



(Gr. lathyros, a kind of pulse) 



PL 27, fig. 4. 



Sepals 5, united into a tube, sometimes with slightly unequal teeth, 

 petals 5, purple, blue, violet, yellowish or white, standard notched, wings 

 and keel somewhat united, stamens 10, all united or 1 free, style hairy down 

 the inner side, pod flat or somewhat rounded, splitting; flowers in racemes 

 or sometimes solitary; leaves pinnate, of 6-12 leaflets, usually tendril-bear- 

 ing at the tip; perennial. 



1. Flowers purple, 2-3 cm. long; leaves with or with- 

 out tendrils ; leaflets linear to lanceolate or ob- 

 long, mostly smooth, sometimes gray-hairy L. orndtus 



