PLANTS OF SOUTHERN NEW JERSEY. 323 



Bridge Nov. Caes. coll. D. C. Eaton, i860," on one of which 

 Eaton has written ''Batsto in arenosis." Mr. Norman Taylor 

 writes me that there is a similar sheet in the herbarium of the N. 

 Y. Botanical Garden. 



Just as the report is going to press I have the satisfaction of 

 reporting the rediscovery of the plant in New Jersey. On July 

 19, 191 1, Mr. Stewardson Brown, in company with Mr. Bayard 

 Long and the writer, found a patch of this Xyris not far from 

 where the Batsto River crosses the New Jersey Central Railroad 

 above Atsion. The plants were growing in sand, not in wet 

 spots, to which the other species are so partial. They were 

 sheathed below, forming the characteristic long bulb-like base. 

 The plants grew several together, the "bulbs" somewhat spirally 

 twisted around one another or arranged in a circle around what 

 had apparently been the location of old plants now dead and 

 rotted away — resembling the base of a tussock. At the date of 

 discovery they were only in bud. 



Pine Barrens. — Batsto (Gray Herb, and NY), A.tsion. 



Family ERIOCAULACE^. Pipeworts. 



Typical Pine Barren bog plants, two of which reach their 

 northern limit in this region. Parker's Pipewort is restricted to 

 the muddy river shores of the Middle district where it is the 

 representative of the Seven-angled Pipewort of the bogs. It is 

 the only one to occur outside the Pine Barrens and Cape May 

 region. 



ERIOCAULON L. 



Key to the Species. 



a. Leaves obtuse at the tip, scape 3-9 dm. high. £. decangulare, p. 325 



aa. Leaves sharp pointed. 



b. Heads over 6-12 mm. in diameter, chaff (bracts among the flowers) 

 obtuse, scapes 1.5-9 "J™- liigh- leaves not over 1.2 dm. long. 



B. compressum, p. 324 

 bb. Heads not over 6 mm. in diameter, chafif acute, scapes not over 2 dm. 

 high, usually much less. 

 c. Mature heads 5-9 mm. broad, depressed globose. 



E. septangulare, p. 324 

 cc. Mature heads 3-4 mm. broad, surrounded by a campanulate in- 

 volucre. B. parkeri, p. 324 



Plozvcring Data. — Dates given cover the period when well 



expanded heads of flowers or of intact fruit occur. 



