88 



v/ 



Synopsis of the Northern Cartces. ' 

 The numbers refer to the species described in Gray's Manual 

 (edition and issue of 1868). 



* j Spike solitary 



( Spikes two or more . 

 g 3 Spike dioecious 



] Spike androgynous 



Q j Spike staminate at summit , 



1 Spike staminate at base .... 

 p ^ Bracts and scales of fertile flowers leaf-like 



Bracts and scales never foliaceous . 

 E \ Stigmas 2 . . . ... 



I Stigmas 3 



Spikes dioecious - . , . 



Spikes androgynous 



Spikes monoecious .... 



Pistillate flowers below . 

 G ■{ Pistillate flowers above 



Pistillate flowers variously situated. 

 jT j Staminate spike solitary . 



No. 



F 



I 



J 



K 



Staminate spikes 1-^ 

 \ Staminate spike solitary . - . 

 1 Staminato^ spikes 2 or more . 

 ' Perigynia with merely a point without 



Perigynia with a distinct beak 



Perigynia smooth 



Perigynia hairy .... 



L 



M 



I bcales brownish, tawny, or white 

 j Bracts green and foliaceous . 

 [Bracts reduced to colored sheaths 

 j Bracts narrow, foliaceous . 

 ( Bracts reduced to colored sheaths. 



• \ 



N 



O 



P 



Perigynia smooth 

 Perigynia hairy 

 Beak entire 

 Beak two-toothed. 



ely 



Q 3 Perigynia only slightly inflated . 



beak 



ted 



r 



V 



s 



T 



I Perigynia moderately inflated 

 -rerigynia few nerved or nerveless 

 Perigynia nerved, tawny-yellow at maturitv 

 Bracts short, leaves all radical 

 Bracts leafy, long . 

 Perigynia slightly inflated . 

 Perigynia moderately inflated 



U I Perigynia conspicuously nerved 



I Perigynia few nerved 



V 



I 



1-2. 



c 



. . . I). 



Nos. I, 2, s(i, 'SS- 



. No. 7-9. 

 No. 3-6. 



F. 



"Nos. II, ^. 



. H. 



No. 13-28. 



. No. 29-45. 



No. TO-12. 



No. 65. 



No. 46-56. 



. W. 



K.. 



. N. 



. M. 



. No. 46-64. 



No. 65-81. 



. No. 84-91. 



No. 92-3. 



. No. 82-3. 



No. 92-3. 



O. 



. U. 



P. 



. No, 102-3. 



. Q. 



No. 120 7. 

 No. 104-110. 

 No. X11-115, 



No. 94-101, 



T. 



- No. 102-3. 

 No. 120-7. 



No. 137-S. 

 . No, 120-7. 

 No. 128-36. 



