122 PROCEEDINGS OF THE AMERICAN ACADEMY. 



size. These species, however, are too poorly known, especially in the 

 staminate forms, to permit satisfactory determination in this case. 



Ficus Jaliscana, Wats. (Proc. Am. Acad. xxvi. 150). Addi- 

 tional material of this species, collected at Granados, Sonora, at 5,700 

 feet, by Mr. Hartmau, 15 November, 1890 (no. 217), shows that the 

 plant has leaves often 6 inches long ; also fascicled aerial roots a foot 

 and a half (or more) in length. 



Spikanthes velata. Roots clustered, tuber-like : leaves (at least 

 at the time of flowering) none : stems 1-2, erect, 9-12 inches high, 

 thickish and enveloped in loose white scarious brownish-veined ovate- 

 oblong attenuate bracts ; the floral bracts similar, smaller but exceed- 

 ing the flowers : spike dense, oblong, 2-3 inches in length : sepals 

 subscarious ; the lateral ones oblong-lanceolate or linear-lanceolate, 

 acuminate, 3-nerved, 4 lines long ; the upper one free nearly half its 

 length, attenuate : petals acutish, narrowly ovate, nearly as long as the 

 upper sepal, also subscarious and brownish nerved ; lip rhombic, 

 roHnded at the tip, crenulate throughout, thickish, about 6 lines long, 

 finely granulated above and bearing two small oblong hoary-pubescent 

 callosities at the base. — Collected in a caiion parallel with the Carion 

 de los Alamos on Rio San Miguel, Chihuahua, by Mr. Hartman, 28 

 June, 1891 (no. 710). 



Bravoa densiflora. Root of many spreading thickened fibres ; 

 bulbs loose, oblong, becoming 2 inches long and an inch or more in 

 thickness : radical leaves linear, attenuate, 3-4 inches long, a line wide ; 

 the cauline reduced to bracts, 1-2 inches long, with broad scarious and 

 attenuate tips ; the floral similar : spike short, dense ; flowers single in 

 each bract, slender, tubular, spreading, curved, 17-22 lines long, dull 

 yellow in a dried state, pulverulent-tomentulose upon the outer surface ; 

 limb oblique; segments ovate, obtuse, only 1-1 i- lines long, erect, 

 bearing a tuft of short white hairs at the tip : anthers inserted high up 

 in the scarcely ampliate throat : fruit (immature) ovate, over 3 lines 

 in diameter. — Collected on dry mesas near Varogachic, Chihuahua, 

 by Mr. Hartman, 5 July, 1892 (no. 536). 



Finds Lumholtzii. A tree, 30-40 feet in height: branchlets 

 elongated, ] inch in diameter : leaves in 3's, springing from the 

 lower surface of the branchlets, pendulous, 10-13 inches long, | line 

 in breadth, nearly flat and shining upon the dorsal surface, carinate 

 upon the ventral ; margins scarcely involute : sheaths quite obsolete : 

 bud scales lanceolate, attenuate, tawny, somewhat lacerate-ciliate, 3^ 

 lines lono- : aments and cones unknown. — Collected near Coloradas, 

 by Mr. Hartman, May, 1893 (no. 541). A beautiful species, striking 



