324 THE JOURNAL OF BOTANY 
2-1 mm. lata non rostrata biaristata, aristis 2 retrorsim spinulosis 
16 mm. longis 
Ecuapor : sandy fields, Riobamba, November, 1858, Spruce, 
a 2 aa a Mus., Kew).—Distributed as. H. diversifoliwm 
., Which has different leaves and a strongly hispid-pilose 
vale 
osperma trilobum. Annuum tenue basi simpliciter 
Ye subsimphote ramosum, ramis procumbentibus vel adscenden- 
us 6-12 ongis caule multo oe us. Caulis aber? 
seis paloies virides striati bifariam hispido-pilosi. er- 
nodia 1:1-2'4 em. longa. Folia euetta 5 deltoideo- ovata vel indi 
depresso- arbicalatin obtusiuscula mucronata basi late cuneata vel 
rotundata profunde trilobata, lobis lateralibus minoribus obovatis 
vel obovato-spathulatis integris vel 1-denticulatis mucronatis, lobo 
medio late cuneato ve CaM! ovali ‘a apicem tridentato vel 
leviter trilobato, supra hie sparse pilosa pilis ee ae 
subtus Me cf eines ad venas sparsissime pilosa 8-20 m 
‘aaligets inaltioey 6 9 mm. crassus. Involucri Hi gee squame 
exteriores 3-4 herbacez sobapathulato- stints d 4-5 mm. longe 
0- ates “sie ae hispido-piloso- silat pilis longis 
multiloculatis ; interi membranacee late oblonge lineatz 
® obtusiuscule ‘pabepaites eer pilis leas multiloculatis 
axteciaces subseq uantes. rahe . 3 fertiles flavi late ovales, 
formibus. Palew oblonge obtuse squamis interioribus similes 
‘S mm. longe 1:4 mm. late. Achenia radii late oblonga apice 
truncata nigra volar athaipgion “ee ian et oo in facie 
interiore 1- pars biaristata 4 mm. longa ad 2:2 mm. lata, aristis 
retrorsim spinulosis 1-2 mm. longis; ea disci ortie obovato- 
rai sa erent ers brevissime rostrata ‘barista 5 mm. 
on 
very different in outline and tinsel and are almost never 
subentire as are the ae ones in that species. A single plant 
of H. trilobum shows a few pairs of rhombic-ovate merely serrate 
~_— leaves on different branches. esent species 1S 
