636 MONOECiA poLYANDRM. Quercus, 



armed with many concentric rings of small inoffensive, acute 

 points; hence the specific name. 



6. Q. turbinata. R. 



Leaves lanceolar, entire, obtusely acuminate, hard, glossy. 

 Spikes terminal, generally paired ; the lower part occupied 

 by clusters of female flowers, and the upper part crowded 

 with male ones. JVuts turbinate, smooth ; cup small, rugose. 



Bansooa Batana, the vernacular name in Chittagong, where 

 it grows to be large tree, but its wood is used for fuel only. 

 It flowers in May ; and the acorns ripen about the close of 

 the rains. 



Younq shoots void of pubescence, but somewhat scabrous 

 with small white specks. Leaves short-petioled, lanceolar, 

 entire, obtusely acuminate, of a very hard texture,and glossy, 

 from five to six inches long, by one and a half or two broad. 

 Spikes terminal, rigid, simple, crowded with numerous, mi- 

 nute, male flowers on the exterior half; and female herma- 

 phrodite ones in detached clusters over the lower half. 31ale 

 calyx five-toothed, woolly. Carol none. Filaments from 

 ten to fifteen, much longer than the calyx. Anthers oval. 

 Germ none, but a conical gland in its place. Female her- 

 maphrodite. Involucre large, downy, scaly. Perianth su- 

 perior, small, downy, about six-toothed. Filaments about 

 as many as in the male, shorter than the styles, intermixed 

 with much white hair. Anthers small, probably quite abor- 

 tive. Germ three-celled, with one ovuluni in each attached 

 to the top of the cell. Style short but thick, and giving 

 support to the calyx and stamina. Stic/mas three, cylindric, 

 spreadino- a little. J^ut turbinate, smooth, of the size of a 

 chesnut, light brown; cup small, embracing only the narrow 

 base of the nut, rugose. Embryo inverse, as in the genus. 



6. Q. acuminata, R. 



Leaves oblong and broad-lanceolar, entire, smooth. Spikes 

 axillary, solitary, simple. N^(ts ovate, smooth. Cup saucer- 

 shaped, prickly. 



