CATALOGUE. 267 



ments, which are united about one-third their length ; style cleft half-way- 

 down into linear divisions ; seeds (immature) oval or nearly round, mar- 

 gined, on a funiculus longer than their diameter. — Plate XXVI. Natural 

 size. Fig. 1. Stamen, seen from outside. Fig. 2. The same, seen from 

 inside the flower. Fig. 3. Style. Fig. 4. Flower, with perianth removed. 

 Fig. 5. Mature capsule. All except the first enlarged about 5 diameters. 

 This handsome species (238) I discovered at Willow Spring, Arizona, 

 at an altitude of 7,195 feet; grows in damp places. There are indications 

 of its presence elsewhere in Arizona, and allied species are found in Mexico. 



AMARYLLIDE^}. 

 By Dr. George Engelmann. 



Agave Utahensis, Engelm., Bot. King's Report, 497; Engelm. Agav. 

 in Trans. Acad. St. Louis, 3, 308. — Stemless ; leaves suberect, or outer ones 

 spreading, lanceolate, tapering from a broad base, concave, 6-12' long, 1-2' 

 wide, not constricted above the base, very thick, hard, glaucous and rough, 

 terminating in a long (1 inch) pale spine, with broad whitish teeth on the 

 margin; flowering stalk 5-7° high, with a spike-like raceme of yellow 

 flowers each 1' long, in pairs, or often in clusters of 4, on distinct pedicels ; 

 lobes 3 times longer than the funnel-shaped tube, which bears the stamens 

 in the middle ; filaments and style not much longer than the perigon ; 

 capsule oval subcylindric, about V long. 



Northern Arizona, Bischoff, to Southern Utah. 



Agave Pakryi, Engelm. Agave, I. c. 311. (A. Americana, var. 1 lati- 

 folia, Torr. Bot. Mex. Bound. 213.) — Stemless; numerous short and broad 

 (9-12' long and 3-3^' wide) leaves crowded around the base of the stalk 

 pale, glaucous, with small, almost black, spiny, straightish teeth, and with a 

 dark, horny margin toward the cuspidate tip, which terminates in a robust, 

 somewhat triangular, black spine 1' in length; stout scape 8-12° high, 

 bearing a large, branched panicle of cream-colored flowers over 2' in 

 length ; perigon deeply 6-parted ; lobes twice as long as tube, which bears 

 the long-exsert stamens in its throat ; capsule broadly oval, sessile ; seeds 

 larger than in either of the other species. 



