Part 1, 1907J OXALIDACEAE 49 



the petioles more pubescent than the stem or the branches ; blades of the leaflets ovate to 

 oblong-ovate, mostly 1-2.5 cm. long, obtuse or acutish, deep-green and glabrous or nearly 

 so above, paler and sparingly pubescent beneath, those of the lateral leaflets considerably 

 smaller than that of the terminal one ; primary peduncles mostly longer than the petioles ; 

 pedicels 2-4 mm. long and glabrous or nearly so at maturity; sepals 3-4 mm. long, the 

 outer ones lanceolate, glabrous, except the minute beard at the apex and occasional hairs 

 on the back ; petals yellow, about twice as long as the sepals ; longer filaments appendaged 

 often above the middle and very minutely pubescent above the appendage ; styles pubescent ; 

 capsules broadly oblong, 5-7 mm. long. 



Tvpe locality : Brazil. 



Distribution : Mexico to Brazil, and in the West Indies. 



Illustration : Mart. Fl. Bras. 12 2 : pi. 109. 



10. Lotoxalis Barrelieri (L.) Small. 

 ( ) i alii Barrelieri L. Sp. PI. ed. 2. 624. 1762. 



Plants 10-55 cm. tall, the stem and spreading branches glabrous or with scattered hairs 

 at least on the younger parts ; leaves mostly remote or scattered along the stem and the 

 branches, the petioles glabrous or pubescent like the stem and the branches ; blades of the 

 leaflets ovate, oblong-ovate or ovate-lanceolate, mostly 1.5-4.5 cm. long, obtuse or acute, 

 deep-green and glabrous or nearly so above, paler and often with scattered hairs beneath, 

 those of the lateral leaflets manifestly smaller than the terminal one ; primary peduncles 

 mostly longer than the petioles ; pedicels glabrous or nearly so, at least at maturity, 3-4 

 mm. long; sepals 3-3.5 mm. long, the outer ones oblong-lanceolate, mostly glabrous, some 

 times bearded at the tip ; petals purple or rose, twice or thrice longer than the sepals ; 

 longer filaments appendaged above the middle, minutely pubescent above the appendage ; 

 styles pubescent ; capsules broadly oblong, 5-7 mm. long. 



Type locality : America. 



Distribution : West Indies, and northern South America. 



Illustration : Jacq. Oxalis Monogr. pi. 3. 



11. Lotoxalis pinetorum Small, sp. nov. 



Plants 20-40 cm. tall, the stem and erect branches glabrous or with few scattered hairs; 

 leaves remote or scattered along the stem and the branches, the petioles more pubescent 

 than the stem ; blades of the leaflets oblong to linear, 0.5-1.8 cm. long, ciliate, bright-green 

 and sometimes pubescent above, paler and more or less pubescent beneath, those of the 

 lateral leaflets rounded or notched at the apex, that of the terminal one obtuse ; primary 

 peduncles much longer than the petioles, glabrous or sparingly pubescent ; pedicels gla- 

 brous or nearly so, 3-6 mm. long; sepals 4.5-5 mm. long, the outer ones lanceolate, gla- 

 brous ; petals yellow, fully twice as long as the sepals ; longer filaments unappendaged, 

 pubescent; styles glabrous ; capsules not seen. 



Type collected at St. Rosalis, Isle of Pines, June 25, 1901, A. A. Taylor 154. 

 Distribution : Cuba and the Isle of Pines. 



Doubtful species 

 Oxalis pilosissima Turcz., a native of Brazil, has been recorded as growing in Central 

 America. 



8. XANTHOXALIS Small, Fl. SE. U. S. 666. 1903. 



Pseudoxalis Rose, Contr. VS. S. Nat. Herb. 10: 116. 1906. 



Herbs with horizontal rootstocks, or with merely annual tap-roots ; or shrubs. Leaves 

 alternate, often clustered at the nodes, the stipules obsolete or mere dilations at the base 

 of the petiole ; blades palmately 3-foliolate, the leaflets mostly about as wide as long or wider 

 and obcordate, or rarely broadest near the base and merely obtuse, acute or acuminate, all 



