58 Contributions from the Gray Herbarium 



style apex. " ( Japsule pubescent, emarginate, pendulous." Seed 

 silky-pubescent. Aril with large corneous umbo and two oblong 

 vertical appressed 1<>1 ><> half as long as <(>c(\. Brandeg.l Univ. 

 ( alif. Pub. Hot. iv. S8 (1910). Pubbla: Acatitlan, 1830-2135 

 ,,,.. June 1909, Pur pus 3922 (type coll.: BG). 



72. 1'. Parry] A. \Y. Bennett. Suffruticulose, several-stemmed 

 from B creeping woody root, the stems often decumbent below, 

 branched, ( . cm. long or less, incurved-puberulous, not at all 

 canescent. Leaves oval to orbicular, rounded to obtuse at both 

 ends, distinctly mucronate, incurved-puberulous, veinless except 

 for the mid nerve, 6-11 mm. long, 3-10 mm. wide, on petioles 1-1.5 

 nun. long. Racemes very short, axillary, 1^1-flowered, flexuous. 

 Flowers greenish, 3.6 mm. long. Lower sepals greenish, petaloid, 

 narrowly oblong-obovate, obtuse, pubescent down costa and along 

 margin with incurved-spreading hairs, 2.8 mm. long, 0.8 mm. wide; 

 upper sepal oblong, herbaceous, obtusish, similarly pubescent, 2 

 mm. long. Wings obovate, apiculate, 3.5 mm. long, 1.4 mm. wide. 

 Keel very blunt, 2.7 mm. long. Upper petals narrowly oblong, 

 slight ly enlarged toward apex, obtuse, porrect, 3.8 mm. long. Cap- 

 sule orbicular, emarginulate, venose, minutely and sparingly in- 

 curved-puberulous, 3.5 mm. long and wide. Seed plump, short- 

 pubescent, 2.5-2.8 mm. long. Aril 1.5-1.6 mm. deep, with small 

 corneous umbo and two oblong scarious descending appressed lat- 

 eral lobes 1.2 mm. long. A. W. Benn.! Journ. Bot. xvii. 140 

 (May 1879); in Hemsl. Diag. PI. Nov. ii. 21 (July 1879); (P. 

 Parreyi) Chod. Monog. ii. 39. t. 14. f. 40-42 (1893). San Luis 

 Potosi: 1830-2440 m., 1878, Parry & Palmer 40 (type coll.: 

 BGK); shady places, near San Luis Potosi, Aug.-Oct. 1877, 

 Schaffner 6 (GK); without locality, Schaffner 496 (B). T. 2. 

 Fig. 43. 



Sect. 3. Huateca, sect. nov. (Anogram.) Sepala herbacea per- 

 sist entia; alae petaloideae persistentes ; arillus umbone subcorneo 

 et lobis duobus lateralibus oblongis subappressis. Species unica 

 P. tehuacana Brandegee. 



73. P. tehuacana Brandegee. SufTruticulose, very many- 

 stemmed from a woody rootstock, the stems erect, more or less 

 branched, up to 1.5 dm. high, canescent with a dense spreading- 

 incurved puberulence. Leaves oblong, obtusish at both ends, rather 

 densely incurved-spreading-puberulous, 5-10 mm. long, 1.5-2.5 



