St. John— Sable Island. 
EXPLANATION OF PLATES. 
PLATE 1. 
1. Juncus pelocarpus E. Mey., var. sahvlonensis St. John, n. var. Habit 
sketch from the type, X 2. 
la. Detail of fruit of the type, X 5. 
lb. Seed of the type, X 10. 
2. Juncus pelocarptis E. Mey. Detail of fruit after Buchenau, F. : Jun- 
caceae. Pflanzenreich, iv. fam. 36, f. 84 E (1906). 
3. Polygonum hydropiperoides Michx., var. psilostachyum St. John. Habit 
sketch from the type, X H- 
3a. Detail of inflorescence showing the eciliate ocreolae, from the type, 
X2. 
4. Calopogon pulchellus (Sw.) R. Br., forma latifolms St. John. Habit 
sketch of the type, X M- 
5. Polygonum lapathifolium L., var. prostratum Wimmer. Habit sketch 
showing the tip half of one of the prostrate branches, from St. John, no. 
1,361, Sable Island, Nova Scotia, September 4, 1913, X M- 
5a. Detail of a spike, X 2. 
5b. A single fruit showing the raised anchor-like nerves on the two outer 
sepals, from the above, X 5. 
5c. A mature achene, from the above, X 5. 
6. Lathyrus palustris L., var. retusus Fernald & St. John. Habit view of 
several median leaves of the type, X }4- 
