12 



The Botanical Gazette. 



[January, 



moncecious or dioecious; cymes unisexual, subsessile, brac- 

 teose, densely flovvered; the staminate semi-globose (5-8' 

 high), axes explanate, fascicled pedicels filiform (3'), perianth 

 before anthesis obpyramidate (0.75') with inflexed cucullate 

 tips, rudimentary ovary nearly obsolete; pistillate cymes 

 smaller and glomeruliform, staminodes most minute, exterior 

 segments of perianth small. — Distinguished chiefly by the 

 long pedicels of staminate flowers.— Pendent from irrlgated 

 cliffs of the Barranca of Rio Samala, Depart. Retalhuleu. alt. 



1,700 



J 



( 



Pilea pleuroneura. 



Rooting at woody base, ascending 



18'"), branching composite, branchlets complanate and 

 alate, glabrous, glandulose: stipules minutely semi-obicular; 

 leaves distichous, subsessile, lanceolate (7-9x1.5-2'), the 

 smaller in the pair half as long and elliptical, apex obtuse, 

 2-5-crenate, the inferior half entire and cuneate, penninerved, 

 the stronger 7-9 nerves ascending to margin, veins immersed,' 

 cystohths present only on upper surface and linear: dioecious; 

 stammate flowcrs not seen; the pistillate fasciculate at apex 

 ot longer (1-1.5') peduncle, short pedicels recurved, cucullate 

 segment of perianth twice exceeding the others, achenium 

 obliquely ovate (0.5') and rubro-punctate.— Pansamala, alt. 

 3.800 , June 1885, von Turckheim, no. 754. 



Pilea senarifolia. — Herbaceous, glabrous; stem repent, 

 branches ascending (12-18'"), opposite or verticillate branch- 

 lets 6-alate: stipules scarious, minutely oblong, persistent; 

 pet.olesshort (0.5-1'), induplicate; leaves 6-verticiIlate, un- 

 equal, obovate-spatulate to obovate-cuneate (3-5x1 5-2') 

 coarsely mcurved-crenate above middle, penninerved, crena- 

 tions and nerves three to a side, upper surface transversely 

 stnolate with_ fusiform cystoliths: moncecious; unisexual 

 cymes from adjacent axils in the whorl; the staminate twice 

 to thrice exceedmg petiole, 2-3-flowered, peduncle and pedi- 

 cels subequal, perianth in prsefloration globose (i'). tips of 

 segments pdeate, rudimentary ovary none; plstillate . 

 mmute, few-flowered, segments of perianth somewhat' un- 

 equal.-Anomalous by leaves all strictly verticillate.-On old 

 trunks of trees, Chiul, Depart. O 

 1892, Heyde& Lux, no. 3,145. 



cymes 



alt. 8,000" April 



Quichensis 



,. ,,, -. , Herbaceous; stem simple (20-30'"), 



shghtly pubescent, sulcate: stipules deltoid (i 5 '), decidu- 



