404 URTICACEAE. [Sponia. 
R I. Celtideae. — Flowers monoeceo-polygamous. Stamens pais in + BAe ee or 
seats post and elastic. Styles or Seed 2. Seed Sy eee Sap wa — Flow 
in cymes x pare 
Sup Rr II. Mor Flowers monoecious or dioecious. Stamens inflexed in the 
bud, ‘os elastic. Doub pa aiclank, campylotropous. Style simple, or divided into 2 
filifo: stigmas, Leaves conduplicate in the bud. Stipules lateral, not clasping. Sap 
ilky.. 
Female flowers in spikes 
eer naked but ahh supported by the ecapcite sid perigone 2. Pseudomorus. 
t covered by the fleshy perigone . : 3. Morus. 
domnklo flowers on a ditoas receptacle . i : : : : 4. Broussonetia. 
DER III. Artocarpeae. — Flowers unisexual. Stamens erect in the bud. Style 
or seres simple, unilateral or rarely sjowceg second shorter branch. Leaves convolute 
in the bud. Stipules axillary, clasping. Sap milky. 
Female flowers on a globose jeiditacls 5 : ‘ 2 ; : 5. Artocarpus. 
SuBorDER IV. Urticeae. — Flowers unisexual, Stamens inflexed in the bud, elastic. 
Style or stigma simple, usually penicillate. Ovule erect, atropous Sap watery (except 
perha ia). 
Leaves op 
Female perigon membranous when mature: 
Flowers in simple axillary clusters : 
Female perigone 4-toothed; an erect is herb. y 6. Hesperocnide. 
Female perigone 3-parted, one segmen wie dat a small 
prostrate herb ; : 9. Pilea. 
Small heads of fl icate along the mostly simple branches 
of a long rhachis 10. Boehmeria. 
Female perieane fleshy when ‘mature; flowers in axillary clusters 12. Cypholophus. 
Leaves alternate 
Flowers in cym: 
Cymules Saas atapgiosts forming short branches on a 
long rhachis; achene naked . 7. Fleurya. 
es divaricately dichotomons, corymbose; ‘achene covered 
by the fleshy peri, ie 8. Urera. 
Flowers in axill clus 
emale flowers on a pce receptacle, the perigone dry with 
fruit 11. Pipturus. 
Female flowers without receptacle, the perigone fleshy with fruit 14. Neraudia. 
Flowers on globose receptacles, these arranged in as ec or 
compound, generally unilateral ¢ cymes . : 13. Touchardia. 
1. SPONIA, Lam. 
Flowers polygamous, monoecious. Perigone free, persistent, of 5 seg 
ments, those of the male flowers subvalvate near the base, with induplicate 
margins, of the female flowers imbricate. Stamens inserted under a pilose 
disk, erect in the bud, the anthers introrse. Ovary 1-, rarely 2-celled, 
with 1 pendulous ovule in each cell and 2 short Slide permanent 
styles. Drupe ovoid or globose, naked, with a single seed. Albumen 
scanty. Embryo curved, with thick faleate cotyledons. — Trees or shrubs, 
with tripli-nerved alternate leaves and free lateral stipules. Flowers in 
axillary cymes, articulate with the pedicels. 
About 27 species, spread over the tropical regions of the whole world. 
