Blake — New Trees and Shrubs. 119 



mm. high, 4 to 5 mm. wide, 4-lobed for half its length or less, the lobes 

 suborbicular or suborbicular-ovate, apiculate, incurved-puberulous toward 

 margin; petals 4 or rarely 5, valvate, oblong, 8.5 mm. long, 3 mm. wide, 

 obtuse or acutish, densely papillose-puberulous outside; staminal tube 7.5 

 mm. long, equaling the pistil, glabrous; anthers 8, sessile, oblong-oval, 

 blunt, 1.2 mm. long; pistil glabrous; disk 1.5 mm. high, thickened above; 

 ovary ovoid-subglobose, 2 mm. long, 4-celled, the ovules solitary; style 

 4 mm. long, stout, striate, minutely papillose ; stigma discoid, 1.6 mm. wide; 

 fruit brown, subglobose, 2.7 cm. long; seeds chocolate-brown, 1.5 cm. long. 



Type in the U. S. National Herbarium, no. 887785, collected at Cafetal 

 Concordia (Cerro Espino), Oaxaca, Mexico, altitude 600 meters, December 

 24, 1917, by B. P. Reko (no. 3701). 



Guarea obtusata belongs to the section Euguraea, and may be distinguished 

 by its round-tipped leaflets and very short panicles. 



Russelia obtusata Blake, sp. nov. 



Suffrutescent below, with a creeping base, the erect stems about 0.5 

 meter high, oppositely branched or simple, stout, 5 mm. thick below, 

 pale green, 6 or 8-angled, densely and minutely spreading-puberulous ; 

 leaves whorled in threes or fours; petioles slender, densely spreading- or 

 incurved-puberulous, 2 to 4 mm. long; blades oval or somewhat obovate- 

 oval or suborbicular, or the uppermost rarely ovate, 1 to 3 cm. long, 8 

 to 18 mm. wide, obtuse or rounded, at base broadly rounded to cuneate, 

 crenate-serrate with 4 to 8 pairs of acute or obtuse teeth, papery or per- 

 gamentaceous, above deep green, sparsely incurved-hispidulous, beneath 

 paler green, sparsely incurved-hispidulous along the costa and 3 or 4 

 pairs of prominulous veins, glabrate, impressed-punctate ; lower bracts 

 leafy, the upper very small; internodes of inflorescence 1 to 2.5 cm. long; 

 peduncles 3 to 5-flowered, 4 mm. long to almost obsolete, sometimes pro- 

 duced into short 2-jointed branches 1.5 cm. long, bearing flowers at each 

 node; pedicels 1.5 to (fruit) 6 mm. long, densely and finely spreading- 

 puberulent; calyx 2.5 mm. long, 5-parted, the segments oval-ovate or 

 ovate, from obtuse or abruptly short-pointed to acuminate but not subu- 

 late-attenuate, not striate, glabrous or slightly hispidulous along midline, 

 thick and herbaceous, with rosy margins; corolla scarlet, 13 to 16 mm. 

 long, glabrous outside, inside pilose with few-celled hairs between the bases 

 of the stamens, pilose along the ventral side within with 1 -celled hairs and 

 stipitate-glandular, the upper lip emarginate, the lower equal, its 3 lobes 

 oblate-suborbicular, crenulate, 2 mm. long, 3 mm. wide; staminode 1.3 

 mm. long; capsule subglobose, about 4 mm. thick, tipped with the per- 

 sistent style, this about 7 mm. long. 



Type in the U. S. National Herbarium, no. 453525, collected near 

 Tehuacan, Puebla, Mexico, August 30 to September 8, 1905, by J. N. 

 Rose, J. H. Painter & J. S. Rose (no. 10026). 



Other Specimens Examined: 



Puebla: Vicinity of San Luis Tultitlanapa, June, 1908, Purpus 3270. 

 Chiltepin, near San Luis Tultitlanapa, April, 1908, Purpus 3270a. 



