488 B.cknell : Ferns and flowering plants of Nantucket 



obtuse and much shorter than the perigynia, are sometimes more 

 elongated and acute or the lower ones even aristate ; the stammate 

 spikes may be . to 3, sessile or slender-stalked, and are very 



viable in^e, shape; and color ; frequently the fertile sp.kes are 



staminate at the apex and sometimes even at the base. 



* Cakex gynandra Schwein. 



Uncommon, in sphagnum bogs, usually in the P«*W 



bordering shrubbery : at several places in Watt's Run bog ; Qua^ 



near Bache's Harbor ; southwest side of Sachacha Pond. Freshly 



in flower June 10 ; perigynia brown and mostly fallen Sept. 17, 



1897. Lower sheaths minutely pubescent. 



M 



M 



I : jj. 1889. 



906 



C. virescens var. Swanii Fernald, Rhodora ,8: £3- ^ 



Rather common in grassy open grounds and truckers, 

 flower June 7 ; some spikes still green in early September, 19a* 



I am unable to adopt Professor Fernald's v,ew ( - ^ 

 the true C. virescens of Muhlenberg, published by Wi lden 

 by Schkuhr, is not our common short-spiked plant "^™ 

 so long a time borne the name, but the woodland plant wjtMong^ 

 spikes, by Schweinitz described as C. costata, by Ucw y 

 costata, and later by Doctor Britton, most certainly w 

 reason, restored to full specific rank as C. costellaia. ^ 



Both Willdenow's description and Schkuhr s S^^. 

 which Professor Fernald has based his readjustment o ^ ^^ 

 clature of these plants, afford to my mind ^^'"j shoU ld 



— — 1 -- i ± 



have remained undisturbed. entire pl a,lt 



Schkuhr's illustration presents one very young ^^ ^ ^ 

 and the fruiting top of a plant nearly mature. 1 e ^ be . 

 curately shown with the spikes much more slender esen t- 



come when fully developed. The latter, although no^ ^^ 

 ing the extreme of our shorter-spiked plant, corveSp ° l . t0 e *act 

 with frequent examples, even responding accura e ^ n 



measurements of the spikes and their relative posi ^^.^able. 

 lustrations of the detached perigynia are even more u 





