280 
URTICA.CEiE. 
* Phenax Sonneratii, Wedd. in D.C- Prod. xvi. 235 37 (P. vulgaris, 
Wedd. olim), a native of Tropical America, was gathered by Commer- 
son in Mauritius, no doubt introduced. It is a polygamo-monoicous 
glabrous perennial, with much-branched shrubby brown stems, alter- 
nate middle-sized petioled toothed oblong acute leaves, flowers in dense 
globose axillary clusters, a gamophyllous male perianth with 4 deltoid 
mucronate lobes, 4 stamens, an obsolete female perianth and an ovoid 
ventricose brown achene tipped with a persistent filiform stigma as 
long as itself and subtended by a scariose bract. 
8. DROG-UETIA, Gaudich. 
Flowers monoicous, placed in a gamophyllous involucre, the females 
in the centre. Male perianth monop hyllo us, with a single stamen, 
its margin lacerated when expanded. Female flower without any 
perianth. Ovary woolly or glabrous, with a filiform stigma. Fruit 
an achene. — Nettle-like perennial herbs, with opposite or alternate 
toothed leaves, the involucres solitary or in clusters, often in the 
axils of the leaves. Distrib. Africa and East Indies. Species 4. 
Tall, with leaves 2-3 in. long 1. D. leptostachys. 
Dwarf, with leaves i in. long 2. D. Thouabsiana. 
1. D. leptostachys, Wedd. in DC. Prod. xvi. 235 57 . A perennial 
herb, with firm slender finely pilose stems. Leaves ovate, membranous, 
acute, 1-2 in. long, distinctly toothed, rounded and entire at the base, 
green and thinly bristly on both sides, distinctly triplinerved ; stipules 
distinct, linear, deciduous ; petiole i— | in. long. Involucres many- 
flowered, campanulate, pubescent, T X T in. long, forming terminal 
and peduncled axillary spikes and sometimes prolonged down into 
the axils of the leaves. Female flower solitary in the centre of 
the cluster, with a flexuose stigma as long as the involucre. Achene 
densely pilose. D. elliptica, Gaudich. Pot. Voy. Bonite Atl. t. 86. 
D. ovata, Gaudich. ; Wedd. Monog. 540 1. 19. f. 12. Urtica leptostachys, 
Juss. ; Bojer , Wort. Maur. 294. 
Mauritius, in shaded places, Carmichael ! Also Bourbon. 
2. D. Thouarsiana, Gaudich. Bot. Voy. Bonite Atl. t. 87. Stems 
pubescent, densely tufted, \ ft. long. Leaves distinctly petioled, ovate, 
sharply toothed, f-J in. long. Involucres solitary, forming close 
terminal spikes 1-2 in. long and prolonged into the axils of the upper 
leaves. Wedd. in DC. Prod. xvi. 235 58 . 
Mauritius. Also Bourbon. Probably a mere montane variety of D. leptostachys. 
Order LXXXIII. ULMACEiE. 
Flowers regular, monochlamydeous, polygamo-monoicous or herma- 
phrodite. Perianth calyx-like, inferior, 4-5-lobed, with imbricate or 
valvate aestivation. Stamens as many as the perianth-lobes and oppo- 
site to them ; filaments free, subulate ; anthers 2-celled with longi- 
