Pilea URTICACE^ 77 



generally longer than the petiole. — Griseh. op. cit. 158 ; Wedd. in 

 DC. Prodr. xvi. pt. 1, 165; Urh. Symb. Ant. iv. 204. Urtica 

 repens Sw. in Vet. Handl. Stockh. viii. 61, t. 1, /. 1 (1787) & 

 Fl. Ind. Occ. 294. (PI. 3, f. 21.) 



Bancroft ! Wullschlaegel ; Moneague, Prim- 1 Bath, Q. Nichols 1 — Cuba, 

 Hispaniola, Porto Rico, Peru. 



Herb ; stems elongate, pubescent, rooting at nodes, simple or branching 

 sparingly, branches at length ascending. Leaves 1-3 cm. 1., 1-2 "5 cm. br. ; 

 petiole pubescent. Sti;pules 1-2 mm. 1. Cymes scarcely as large as a 

 small pea. Male flowers near the base of the cymes, solitary or very few, 

 subsesaile or with pedicel 1 mm. 1. Perianth in bud globose, glabrous, 

 1 mm. 1. ; segments elliptical projecting above the apex of bud with a 

 ventral appendage covering apex ; anthers roundish. Female flowers 

 subsessile or shortly pedicellate, -5 mm. 1. Achene -5 mm. 1., margined, 

 very minutely punctate, stigma very oblique, projecting about J beyond 

 the perianth ; longer perianth-lobe with a tuberculate dorsal appendage 

 below the apex, three times as long as the lateral lobes. 



35. P. troyensis Faioc. & Rendle in Journ. Bot. I. 180 (1912) ; 

 monoecious, herbaceous, stems creeping, puberulous ; leaves of 

 the same pair more or less unequal, broadly ovate and sometimes 

 roundish, crenate-serrate in the upper half or two-thirds, or 

 sometimes almost entire, 3-nerved, with sparse pellucid hairs on 

 both sides, strigillose-puberulous on nerves beneath, membranous ; 

 stipules very short, roundish ; cystoliths linear, rather smaller on , 

 the under surface ; cymes with peduncles longer than petioles, 

 paniculate, clusters close together and dense-flowered, male flower 

 solitary amongst female. (PI. 2, f. 7.) Type in Herb. N. York 

 Bot. Gard. 



Rocky wooded hill, Troy, Britton, 708 1 



Leaves '5-1 cm. 1., -b-'d cm. br., with the two lateral nerves produced 

 to one-half or three-fourths of their length; petioles 1-2-5 nmi. 1, 

 Stipules about • 5 mm. 1. Peduncles glabrescent, 5-7 mm. 1. Male flowers 

 subsessile. Perianth globulose, with few pellucid hairs, about "5 mm. 1. ; 

 dorsal appendages, those of a pair equal, one pair bluntly and shortly 

 triangular, the other linear, blunt. Female floioer about "5 mm. 1., larger 

 segment "4 mm. 1., the lateral about half the length. Achene (unripe) 

 white with orange-red 8tigma,"about "5 mm. 1. 



36. p. Harrisii Urb. Symh. Ant. i. 299 (1899); monoecious, 

 creeping ; younger branches shortly pubescent ; leaves ovate, base 

 rounded or obtuse, apex obtuse or rounded, crenate from below 

 the middle, 3-nerved, with a few pellucid hairs on upper surface 

 or glabrate, underneath sparingly and very shortly pilose espec- 

 ially on nerves and margin; stipules rounded, persistent; 

 peduncle of cyme more than half as long to twice as long as 

 the leaf, bearing two to four approximate androgynous heads ; 

 achenes narrowly ovate. (PI. 3, f. 22.) 



Above Bath, Purdie ! Wilson ! March ! Red Hills, Harris ! foothills on 

 S.E. of John Crow (Blake) Mts., Harris d Brittonl Fl. Jam. 6881, 10,683. 



Stems rooting; flowering branches erect or ascending 3-10 cm. 1., 

 branched or simple, glabrescent below, shortly pubescent above. Leaves 

 *7-l*7 cm. 1., '5-1 cm. br. ; nerves reaching to about the middle; cysto- 



