102 WILD FLOWERS AND FRUITS 



JERUSALEM OAK (Chenopodium Botrys). Goosefoot fam. 

 Weed, a ft. or two high; many branches; flowers 

 small, with 3-cleft calyx, crowded along spikes at 

 end of branches; leaves with many lobes, resemb- 

 ling those of white oak. " In autumn the leaves fall 

 off and leave the seed-spike naked" (Matthews). 

 Waste ground. Summer. 



See also GREAT GREEN ORCHIS (W. 22). 



3. Same as 2, but plant taller. 



CURLED DOCK (Rumex Crispus}. Buckwheat family. 

 Max. ht. 4 ft.; coarse herb with smooth stem; 

 flowers small, crowded in long raceme; calyx en- 

 larging in fruit (valve), heart-shaped; leaves long, 

 lance-shaped, with curly edges. Waste places. 

 Common. Early summer. 



RAGWEED (Ambrosia artemisiaejolia) . Composite family. 

 Ht. i -several ft.; hairy, branching; flower-heads 

 small, several (fertile) in axils of leaves, most 

 (sterile) in long racemes; leaves (opposite and 

 alternate) pinnately cut. A common weed. Sum- 

 mer, autumn. 



4. Upright herb, leaves simple, flowers in umbel. 



GREEN-FLOWERED MILKWEED (Asclepias verticillatd] . 



Milkweed family. 



Ht. i-2j ft.; flowers in small lateral and terminal 

 umbels; leaves whorled, linear, with margins 

 rolled back. Dry hills. Summer, autumn. 



5. Upright herb, leaves simple, flowers not in raceme, 

 spike or umbel. 



SWAMP SAXIFRAGE (Saxifraga Pennsylvania}. Saxi- 

 frage family. 



Ht. 2 ft.; flowers clustered, calyx 5-cleft; petals 5; 

 leaves inversely lance-shaped, toothed. Bogs. Spring. 



