MELANTHACE^E. 51 



LUZULA SPICATA, DC. Fl. Fr. iii. 161. Cumberland Mine, 

 La Plata Mts., at 12,300 feet, 15 July, n. 738. 



MELA NTH ACE^E. 



ZYGADENUS DILATATUS. Two feet high or more, the 

 rather copious foliage mostly a foot long, oblanceolate, 

 tapering to an elongated petiolar basal portion, the dilated 

 upper parts nearly acutish, the leaf as a whole but indis- 

 tinctly and finely nervose ; bracts of the raceme scarious, 

 lanceolate, about equalling the pedicels or shorter ; seg- 

 ments of the perianth oval, obtuse, scarcely unguiculate, 

 faintly striate, mainly white ; the green nectariferous spot 

 at base broad and retuse, scarcely obcordate. 



Little Kate Mine, La Plata Mountains, 13 July, 1898. 

 Plant pale and glaucesant, this and its loose rather few- 

 flowered raceme indicating its near relation to Z. elegans, 

 from which its dilated and oblanceolate foliage, broad 

 sessile perianth-segments and merely retuse nectary require 

 that it should be separated, n. 522. 



VERATRUM CALIFORNICUM, Durand, Journ. Philad. Acad. 

 2 ser. iii. 103. Hesperus City, 16 July. Not numbered ; 

 therefore probably not in the sets. 



LILIUM MONTANUM, A. Nelson, Bull. Torr. Club, xxvi. 6. 

 In moist thickets of the La Plata Canon, 12 July. Said to 

 be rare; n. 1124, distr. as L. Philadelphicum, and none too 

 distinct from that. 



ERYTHRONIUM GRANDIFLORUM, Pursh, Fl. i. 231. In the 

 La Plata Mts., on the Bear Creek Divide at 11,000 feet, 29 

 June, n. 213. Also at 10,500 feet near the Cumberland 

 Mine, 15 July ; not numbered ; probably not in the sets. 



LLOYDIA SEROTINA, Sweet, Hort. Britt. 2 ed. 527. At 



