162 SIXTEENTH REPORT. 



Atriplex patula hastata (L.) Gray. Halberd-leaved Orache. — Common as a 

 weed in gardens, fields and waste places. 



Atriplex patula littorale (L.) Gray. Spreading Orache. — Occasional along 

 the Lake Huron shore and in waste places. 



Corispermum hyssopifolium L. Bug-seed. — Abundant on the sand dunes 

 at Port Franks. Not noticed elsewhere. 



Salsola kali tenuifolia G. F. W. Mey. Russian Thistle. — Becoming very 

 common in dry and sandy ground along railways, about grain elevators, in 

 freight yards and waste places. Not believed it will prove to be a trouble- 

 some weed in this locality. 



Amaranihaceae. Amaranth Famil3% 



Amaranthus retroflexus L. Green Amaranth. Amaranth Pigweed. — A 

 very common weed in cultivated gromids. 



Amaranthus hybridus L. Slender Pig^veed. — Occasional in streets of 

 towns and villages and in cultivated grounds. 



Amaranthus paniculatus L. Purple Amaranth. — Occasional in waste 

 places and along roads. 



Amaranthus graecizans L. Tumble Weed. — Frequent in waste places and 

 a weed in cultivated grounds. 



Amaranthus blitoides Wats. Prostrate Amaranth. — Xery common along 

 railways, on roadsides, and as a weed in cultivated grounds. 



Amaranthus spinosus L. Thorny Amaranth. — Occasional along raihvaj^s. 



Aenida tuberculata ]Moq. Western Water-hemp. — Occasional in damp 

 open or shaded ground in the southeastern part of county. 



Nydaginaceae. Four-o'clock Family. 



Oxybaphus nyctagineus (^lichx.) Sweet. Heart-leaved Umbrella-wort. — 

 Occasional along railroads. From the west. 



Aizoaceae. Carpet-weed Family. 



MoUugo verticillata L. Carpet Weed. — Common in poor and sandy 

 ground along railways, on roadsides, and in cultivated grounds. 



Caryophyllaceae. Pink Family. 



Spergula arvensis L. Corn Spurry. — Occasional as a weed in gardens and 

 sandy cultivated fields. 



Arenaria lateriflora L. Blunt-leaved Sandwort. — Occasionally in shaded 

 ground on the delta islands. 



Arenaria serpyllifolia L. Thyme-leaves Sandwort. — \ ery common in 

 dry and ?andy ground, especially in cultivated grounds. 



Arenaria stricta Michx. Rock Sandwort. — ^Frequent on sand ridges along 

 the Lake Huron shore. 



Stellarai longifolia Muhl. Long-leaved Stitchwort. — Common in damp 

 grassy places. 



Stellaria graminea L. Lesser Stitchwort. — In fields and grassy places as a 

 weed near Forest. Newton Tripp. 



Stellaria media (L.) Cj'rill. Common Chickweed. — Very common as a 

 weed in garden and fields. 



