117 



Synopsi?; of tho Genera. 



1. Clieiiopo'dhtm. Woods with (usually) mealy leaves, and very small per- 



fect- greenish sessile flowers iu small paniclcd spiked clusters. Calyx 5- 

 cleft, more or less enveloping the fruit. Stamens mostly 5 ; filaments 

 slender. 



2. Bli'tum. Flowers perfect, in heads which form interrupted spikes. Calyx 



becoming fleshy and bright rod in fruit so that the clusters look some- 

 tiling like strawberries. Leaves triangular and somewhat halberd-shaped, 

 sinuate-toothed. 



3. At'riplex Flowers monoecious or dioecious, the staminate with a regu- 



lar catyx. in spiked clusters; the pistillate without a calyx, but with a 

 pair of appressed bracts. 



4. Corisper'niuin. Flowers all perfect, single, and sessile in the axils of 



the upper leaves, usually forming a spike. Calyx of a, sinyle, delicate 

 sepal. Low herbs, with linear 1-nerved leaves. 



5. Salso'la, with fleshy awl-shaped sharp-pointed leaves, is not uncommon 



on the Lower St. Lawrence and the sea-coast. 



1. CHENOPO'DIUM, L. GoOSEFOOT. PlGWEED. 



1. G. album, L. (LAMB'S-QUARTERS.) Stem upright, 1-3 feet 

 high. Leaves varying from rhombic-ovate to lanceolate, more 

 or less toothed, mealy, as are aho the dense flower-clusters. Ex- 

 tremely common in cultivated soil. 



2. C. Tir'bicuni, L. Rather pale and only slightly mealy, 1-3 

 feet high, branches erect. Leaves triangular, acute, coarsely and 

 sharply many-toothed. Spikes erect, crowded in a long and nar- 

 row racemose panicle. Waste places in towns. 



3. C. hyT^ridum, L. (MAPLE-LEAVED GOOSEFOOT. ) Bright 

 green. Stem widely branching, 2-4 feet high.' Leaves thin, large, 

 triangular, heart-shaped, sinuate-angled, the angles extended into 

 pointed teeth. Panicles loose, leafless. ^ Plant with a rank un- 

 pleasant odour. Waste places. 



4. C. Bo'trys, L. (JERUSALEM OAK. ) Not mealy, but sticky ; 

 low, spreading, sweet-scented. Leaves deeply sinuate, slender- 

 pctlolcd. Racemes in loose divergent corymbs. Roadsides ; 

 escaped from gardens. 



5. C. ambrosioi'des, L. (MEXICAN TEA.) Not mealy, but 

 sticky. Leaves slightly petioled, wavy-toothed or nearly entire. 

 Spikes densely flowered. Streets of towns. 



