OF ARTS AND SCIENCES: JUNE 11, 1867. 395 



contiguis, infima pedunculata (rarius remota longissime exserte pedun- 

 culata) ; bracteis culmo brevioribus vel infima paullo longiore ; stig- 

 matibus 3 ; perigyniis ovalibus acute triquetris rostratis nervatis glabris 

 (ore emarginato antice altius secto) ; squama ovata cuspidata membran- 

 acea apice ciliata medio viridi trinervi longioribus; acbenio ovato acute 

 triquetro. — California. Yosemite Valley, Brewer, 1639, Bolander, 

 6198, Hillebrand, 2305, 2308, 2314; Mount Dana, 12,000 feet, Bolan- 

 der, 5086; Soda Springs, 9,000 feet, Brewer, 1778. Whole plant 

 except perigynia and scales whitish or glaucous-pubescent ; the sheaths 

 densely so. Culm 1-3 feet high, erect, acutely triangular. Leaves 

 shorter than the culm, 3 — 4 lines wide. This and G. pubescens, Muhl., 

 G. dasycarpa, Muhl., G. tenax, Chapman, G. triquetro,, Boott, and G. 

 Halleriana, Asso, form a very natural group, which Carey has indicated 

 in Herb. Gray as Triquetrce. Dedicated to the Director of the Sur- 

 vey under which the specimens were collected. 



Carex luzulina, Olney, n. sp. : spicis 4-5 rarius 6 fusco-ferru- 

 gineis ; superioribus contiguis brevi-oblongis densifloris sessilibus, ter- 

 minali mascula, fcemineis inferioribus bracteatis longe vaginalis, infima 

 interdum longe pedunculata remota; stigmatibus 3 ; perigyniis oblongo- 

 ovalibus vel ovatis rostratis bifidis obsolete nervatis glabris rostro 

 serrato squama ovata obtusa castanea nervo pallido-viridi ciliata brevi- 

 oribus ; acbenio obovato. — California, Mendocino City, Bolander, 

 4740. Culms 7-12 inches high, leafy at base: leaves short, 2-4 

 inches long, 3 lines wide, smooth and flat ; the lower recurved. Allied 

 to G. prcecox, Jacq. 



Carex glaucodea, Tuckerman, MSS. " Spicis 4-5 cylindricis, 

 terminali mascula subsessili clavata, reliquis foemineis folioso-bracteatis 

 multifloris, superioribus approximatis exserte (inferiori remota longe) 

 pedunculatis pallide viridibus ; stigmatibus 3 brevibus ; stylo aequali ; 

 perigyniis ovoideis turgidis obtusis ore sub-integro multinerviis glauco- 

 viridibus squama late ovata breviter cuspidata albida medio viridi tri- 

 nervi vix dein duplo longioribus ; achenio obovato triquetro." — Moist 

 trap rocks, summit of Mount Holyoke and Mount Tom, Tuckerman ; 

 New Jersey, C. F. Austin ; woods near Philadelphia, C. E. Smith ; 

 Bethlehem, Penn., Prof. Porter ; Lancaster Co., Penn., L. Fiot ; Del- 

 aware, near Wilmington, Canby. — Plant scarcely erect ; culms 6-12 

 inches high, smooth and glaucescent in all parts ; leaves wider than in 

 G. grisea, 2| - 4 lines wide, shorter than the culm. From G. grisea it 

 differs in its wider leaves, cylindrical densely and many-flowered spikes, 



