OF ARTS AND SCIENCES. 333 



leaves sessile, narrowly oblong-lanceolate, acute, pubescent beneath, 

 glabrous above, 4 to 6 lines long: corymbs few- (1-5-) flowered: 

 sepals broadly ovate, acute, not ciliate, a line long or less ; petals 

 yellow, nearly twice longer : styles united at base : capsule ovate, 

 acute, equalling the calyx. — In the San Miguelito Mountains, near 

 San Luis Potosi (600 SchafFner). 



LixuM SCABRELLUM, Plauch. In the San Miguelito Mountains 

 (603 Schailner). 



LiNUM ScHiEDEANUM, Cham. & Schlecht. In the Morales Moun- 

 tains (601 Schaffner) ; 1034.^ Parry & Palmer. 



LiNUM INIexicanuji, Kunth. At Guanajuato (Dugcs). 



IMalpighia glabra, Linn. On Corpus Christi Bay (157). 



Galphimia angustifolia, Benth. ( G. linifolia, Gray.) In 

 mountains north of Monclova (128) ; 94 Parry & Palmer. 



HiR^A Greggii. a shrubby climber, rather sparingly tomentose- 

 pubescent : leaves opposite, ovate-elliptic, the uppermost oblong-ovate, 

 very obtuse or acutish to abruptly short-acuminate, obtuse at base, 

 somewhat pubescent beneath, roughish above, 6 to 18 lines long, the 

 short petioles often 2-glandular : pedicels elongated : calyx glandu- 

 liferous ; petals yellow, undulate-margined and somewhat erose : fila- 

 ments short and stout, nearly equal, united to the middle : samara 

 slightly pubescent, the lateral wings nearly semicu'cular, each an inch 

 broad, distinct above and below, the dorsal one much smaller. — 

 Near Monterey, Nuevo Leon (123), where it was also collected by 

 Dr. Gregg in 1847. 



HiR^A LiLACiNA. A slender shrubby climber, somewhat pubes- 

 cent with straight appressed hairs attached by the middle : leaves 

 opposite, ovate to lanceolate, acute, rounded or cordate at base, on 

 slender glandless petioles : pedicels opposite in terminal or axillary 

 few-flowered racemes : calyx glanduliferous ; petals "blue" or "lilac," 

 entire or shortly fimbriate above : filaments slender, united only at 

 base : samara hairy on the ventral side, orbicular-winged, the lateral 

 wings together 9 lines broad, the dorsal much smaller. — On Caracol 

 IMountains, south of Monclova (124) ; it has also been collected near 

 Palomas (328 Gregg), and at Rinconada (Dr. Edwards). 



Gaudiciiaudia filipendula, Juss., var. (?) San Luis Potosi 

 (901 Schaffner), and at Guanajuato (Duges) ; 95 Parry & Palmer. 



AsPiCARPA IIYSSOPIFOLIA, Gray. At Monclova and the neigh- 

 boring Caracol Mountains ; scanty specimens. 



AspiCARPA Hartwegiana, Juss. In the Sierra Madre, south of 

 Saltillo ; scanty specimens. 



