AND SOME OF ITS ALLIES 521 



Juncus confi 



j. 



M 



/. brae hy phy Hits . It differs from the true /. tenuis coiigestus 



(/ 



/ 



Ins in its much denser heads, more slender habit, and especially in 

 its narrow leaves and fuscous perianth. It seems rather widely 

 distributed but does not appear abundantly in the herbaria. 



- 10. Juncus occidentalis (Coville) nom. nov. 



- 



J. tenuis congestus Engelm. Trans. St. Louis Acad. Sci. 2 : 450. 

 1866. Not/, congestus Thuill. 



/. tenuis occidentalis Coville, Proc. Biol. Soc. Wash. 10: 129. 

 1896. 



Tall, stiff and erect (3-6 dm. high), from a stout base, pale green ; 

 stem nearly terete, finely striate ; leaves one third to one half the 

 length of the culm, numerous and densely tufted at the base, rather 

 coarse, flat and flexuous, 1-1.5 mm. wide ; sheaths all blade-bear- 

 ing, loose and expanded, brownish, the margins and short auricles 

 whitish and scarious : inflorescence several- or many-flowered, 

 glomerate or more commonly somewhat open (1.5—3 cm. long), 

 fuscous ; bract one, leaf-like, about 5 cm. long, exceeding the in- 

 florescence ; bracteoles broadly ovate, obtuse or mucronate : peri- 

 anth large (4-5 mm. long), the parts lance-subulate, slightly un- 

 equal in length, erect or somewhat spreading, fuscous with green 

 midrib and rather broad scarious margin extending to the apex, 

 the inner more broadly scarious and with a narrower midrib : 

 stamens one half the length of the perianth, anthers oblong, much 

 shorter than the filaments : styles very short : capsule firm, broad, 

 ovate-oval or oblong-oval, obtuse, when mature strongly refuse, 

 not over three fourths the length of the perianth, fuscous, placentae 

 extending only about one half way to the axis : seeds oblong or 

 irregular, apiculate at each end (.34-43 mm. long), areolate-retic- 

 ulated, not striate. 



Central California to Oregon. 



Specimens examined. 



California: (Bolander, also Oakland Hills, no. 417, and no. 

 23), Berkeley (J. W. Blankinship), BolinasBay (A. Kellogg, June. 

 Bor. Am. Engelm. no. 22), Redwood Hills, Watsonville (A. Wood, 

 1868), Yosemite Val. (Torrey, no. 534, 1865), Sonoma Co. 

 W. Congdon) (Kellogg and Harford, no. 1043). 



