Pilea URTICACEiE 79 



39. P. lamiifolia Fawc. & Bendle in Jouni. Bot. I. 180 (1912) ; 

 monoecious, herbaceous, stems pubescent, hirsute on young 

 branches ; leaves of the same pair more or less unequal, ovate to 

 elliptical-ovate, base obtuse or rounded, sparsely pilose with 

 pellucid hairs on upper surface, pilose on nerves beneath, coarsely 

 serrate-crenate in the upper two-thirds, 3-nerved from base, 

 membranous ; stipules very short, lunate ; cystoliths small, linear, 

 numerous on the upper surface ; inflorescence with peduncles 

 3-2 cm, 1., clusters crowded together at apex of peduncle. 

 (PI. 2, f. 8.) Types in Herb. N. York Bot. Gard. and in Herl). 

 Mus. Brit. 



Woodlands, near Newport, Manchester, Britton, 3205 ! 



Stems 6-8 cm. 1., weak, ascending, sometimes rooting below at the 

 nodes, simple, densely covered with thin linear cystoliths, internodes 

 1-3 cm. 1. Lcaves'1-S cm. 1., 'S-l'S cm. br., with two lateral nerves pro- 

 duced to one-half to two-thirds of their length, the others not visible above ; 

 petioles 2-8 mm. 1. Stipules '6-'8 mm. 1. Jn/7oresc<?nct' solitary from axils 

 of upper leaves, peduncles glabrous. Male flowers sessile or subsessile. 

 Perianth about 1 mm. -1., globose, coherent, sparsely hirsute; dorsal 

 appendages apicnliform. Female flowers pedicellate. Achene ovate, 

 6 mm. 1., projecting beyond the median segment of perianth, which is 

 double as long as lateral segments ; dorsal appendage of median tuber- 

 culate. 



Yar. puberula var. nov. ; distinguished from the type in 

 being ferruginously puberulous on the stems and under surface 

 of the leaves, by numerous dot-like cystoliths scattered among 

 the larger crescent-shaped ones, and by the somewhat larger 

 shoulder of the median segment of the female perianth. 



On rocks and logs in woodland. John Crow Mt., 1500 ft., Harris d- 

 Britton ! Fl. Jam. 10,777. 



40. P. Holliekii Fawc. & Bendle in Journ. Bot. I 181 (1912); 

 dioecious (male flowers only seen), herbaceous, stems pubescent, 

 naked below, leafy at apex, leaves of the same pair more or less 

 unequal, deciduous except at apex where 4-6 are crowded together, 

 elliptical-ovate, obtuse at base, crenate-serrate in the upper two- 

 thirds, 3-nerved ; glabrous on upper surface, pilose with long 

 pellucid hairs underneath on nerves, membranous ; stipules 

 2-3 mm. 1., broadly ovate, amplexicaul ; cystoliths (on upper 

 surface only) linear ; cymes, male, with peduncles longer than 

 petioles or even sessile, clusters dense-flowered and crowtled 

 together at the end of the peduncle. (PL 2, f. 9.) Types in 

 Herb. N. York Bot. Gard., in Hejb. Mus. Brit, and in Herb. 

 Jamaica. 



Union Hill, near Moneague, Britton (& Hollick, 2754 I 



Stem 10-20 cm. 1., ascending, rooting below at the nodes, simple or 



slightly branching, covered with tbin linear cystoliths, lower internodes 



sometimes very long (to cm. 1.). Leaves 9-1-7 cm. 1., 7-l'2 cm. br., 



with the two lateral nerves produced to about two-thirds of their length ; 



