68 PROCEEDINGS OP THE AMERICAN ACADEMY 



Var. OBTUSISQUAMIS. 



G. vesicaria, y, W. Boott, Bot. Calif, ii. 252. 

 G. vesicaria, var. (?) obtusisquamis, Bailey, Carex Cat., and Bot. 

 Gaz. ix. 121. 

 Spikes short (an inch long or less), sessile, purple ; perigynium ab- 

 ruptly contracted into a short nearly entire beak, longer than the broad 

 purple and white-margined very obtuse scale. — Soda Springs, head of 

 Tuolutnne River, California, Brewer, 1781. 



21. Carex vesicaria, Linn. Sp. PI. 979. 



Huntington Valley, Nevada, Watson 1270, a young specimen ; Cal- 

 ifornia, Summit Camp, Dr. Kellogg, Yosemite Valley, Breioer 1654, 

 Tomales Bay, Bolander 2303, Sprague River, east of Klamath Valley, 

 Hildebrand ; Northern British Columbia, Rotlirock. Evidently rare. 

 Europe. 



Var. MAJOR, Boott, Hook. Fl. Bor.-Am. ii. 221. 



Vars. lanceolata and globosa, Olney, Proc. Am. Acad. viii. 407, 



408. 



Mostly larger : perigynium long-lanceolate, greenish or rusty, little 



inflated, thick in texture, many-nerved, much longer than the small 



scale. — Oregon, Hall 608, 609, Henderson, Multnomah Co., Howell; 



Columbia River, Douglas, Scouler. 



22. Carex Tuckermani, Boott, Hook. Journ. Bot. v. 73. 

 G. bullata, Dewey, Sill. Journ. ix. 71. 



G. Tuckermani, var. cylindrica, Dewey, Sill. Journ. xlix. 48. 



G. cylindrica, Carey, Gray's Man. 184*8, 566. 

 Perigynia more inflated than in any other American species. — "W. 

 New England and N. Vermont to Ohio, Illinois, and Wisconsin ; N. 

 Jersey, Britton Cat. 



23. Carex bullata, Schkuhr, Riedgr. Nachtr. 85, f. 166. 

 G. cyUndrica, Schw. An. Tab. 



G. Greenii, Boeckeler, Flora, 1858, 649. 

 Culm very sharply angled, at least above, and slender. The peri- 

 gynia have a peculiar greenish-brown appearance. The roughness of 

 the beaks is not always apparent. — Wet places, Mass. to N. Jersey 

 and Pennsylvania, Porter ; Society Hill, S. Carolina, Gurtiis. 



C. BULLATA X UTRicuLATA (G. Olneyi, Boott, 111. 15, t. 42). — 

 Providence, R. Island, Olney. Sterile or nearly so. 



24. Carex retrorsa, Schweinitz, An. Tab. 

 G. reversa, Sprengel, Syst. Veg. iii. 827. 



