ROSE MEXICAN AND CENTRAL \MI.IM<\N PLANTS. L15 



Ionoxalis tenuiloba Rose, sp. QOV. 



Bulbe solitary; petioles about the length of the peduncle, glabrous; leaflets 3, 

 cuneate at base, deeply 2-lobed; lobes stronglj divergent, linear, 2.5 to 5 cm. long, 

 acute; peduncle filiform, 10 to 12 cm. long; umbel aboul 8-flowered; pedicels filiform, 

 2.5 nun. long; sepals obtuse, gland-tipped; filaments hairj . 



Type U. 8. National Herbarium no. 236917, collected by Marcus E. Jones at 

 Colima, State of Colima, Julj 2, L892 i no. 1 18). 



This species lias very remarkable leaflets. 



Ionoxalis tetraphylla (Cav.) Rose. 



Oxalis tetraphylla Cav. [c. 3: 19. pi. 037. L794. 



Oxalis deppei Lodd. Bot. Cab. 15: pi. 1500. L828. 



Type locality: " In Mexico [mperio." 



I have referred to this species a plant collected by myself on the pedregal at San 

 Angel near the City of Mexico, which, from its appearance and -tat ion. i- more likely 

 to belong here than any other which I have Been. ( lavanilles's figure shows a plant 

 with •"> or I broad, obovate leaflets and with elongated peduncle- and Blender pedicels, 

 all of which are possessed by my specimen. 



Ionoxalis vespertilionis I Xncc ) Rose. 



Oxalis vespertilionis Zucc. Abh. .Math. Phys. Classe 2:350. L834. 



MEXICAN AND CENTRAL AMERICAN SPECIES OF LOTOXALIS. 



The following Mexican species of Lotoxalis are either new or ha\< 

 been passing as species of Oxalis. 



Lotoxalis angustifolia | II. B. K. ) Rose. 



Oxalis angustifolia II. B. K. Nov. Gen. & Sp. 5: 249. L823. 



Lotoxalis dichotoma Rose, sp. nov. 



Wood)- for some distance below, slender, erect, rarely if at all branching, Bome- 

 what hairy, 30 to 60 cm. high; petioles slender, 2 to 7 cm. long, somewhat pilose; 

 leaflets orbicular to oblong, 2 to 4 cm. long, rounded at base and apex or sometimes 

 obtuse, thin, more or less hairy on both sides, paler beneath, the terminal leaflet 

 remote; pedicels .-lender. 2 to 7 cm. long, longer than the subtending petiol,.. dichoto- 

 mously branching with a single flower in the fork, several-flowered; sepals 4 mm. 

 long, slightly hairy; petals yellow, twice as long as the sepal-; stamen- glabrous. 



Type CJ. S. National Herbarium no. 300500, collected by J. N. Rose in the foothills 

 of the Sierra Madre, near Colomas, Sinaloa, July, ls ( .i7 (no. L650). 



This species belongs to the group Hedysaroideae, and is closely related to the 

 so-called Oxalis sepium. 



Lotoxalis fasciculata (Tare/, i Rose. 



Oxalis fasciculata Turcz. Bull. Soc. Nat. Mosc. 32': 272. 1859. 



Lotoxalis glabrata (Baker) Rose. 



Oxalis neaei glabrata Baker, Ref. Bot. 5: pi. ."■>.'. L871. 



Lotoxalis neaei (DC.) Rose. 



Oxalis neaei DC. Prod. 1: 690. 1824. 



Lotoxalis occidentalis Rose, sp. nov. 



Somewhat woodj below, branching at base; branches angled, glabrous; petioles 

 usually hairy; leaflets three, glabrous throughout or slightly filiate, orbicular to 

 narrowly oblong, obtuse or slightly retuse, the upper leaflet Bomewhat remote; 

 peduncles 2 to 2«5 cm. long, longer than the petioles; flowers in umbels of 3 or I: 

 buds ovate, acute; sepals ovate. 5 mm. long, a cute, glabrous or nearly so; petal- 

 yellow; capsule oblong, 6 to 8 mm. long, smooth; cells 3-seeded. 



4153— vol x, pt 3 — 00- 



