286 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY 



Common to West Indies. 



Adelia Ricinella 

 Argithamnia candicans 

 Croton helicoideus 

 Croton populifolius 

 Abutilon umbellatum 

 Wissadula periflocifolia 

 Clusia flava 

 Cereus caripensis 

 Cereus Swartzii 

 Opuntia leptocaulis 

 Pereskia opuntiaeflora 

 Daphnopsis americana 

 Rotala dentifera 

 Myrcia coriacea 

 Bumelia cuneata 

 Echites secundiflora 

 Echites umbellata 

 Tournefortia gnaphalodes 

 Tournefortia incana 

 Tournefortia scandens 

 Rauvolfia Lamarkii 

 Drymonia serrulata 

 Psychotria glabrata 

 Randia aculeata 

 Erigeron spathulatus 

 Wedelia buphthalmoides 



Common to South America. 



Bauhinia cumanensis 

 Centrosema brasilianum 

 Cercidium spinosum 

 Myrospermum frutescens 

 Esenbeckia pilocarpoides 

 Sebastiana corniculata 

 Talisia olivaeformis 

 Caracasia tremadena 

 Hybanthus oppositifolius 

 Rinorea marginata 

 Cereus eburneus 

 Cereus Jamacaru 

 Combretum secundum 

 Clidemia neglecta 

 Vaccinium latifolium 

 Tabernaemontana psychotrifolia 

 Evolvulus filipes 

 Cordia discolor 

 Clerodendron molle 

 Brunfelsia Hopeana 

 Lycium salsum 

 Beyrichia scutellarioides 

 Macfadyena corymbosa 

 Jacobinia pauciflora 

 Baccharis rhexioides 

 Eupatorium ballotaefolium 

 Vernonia scorpioides 

 Wedelia caracasana 



Maxillaria virgi^ncula 



In this list of the plants of limited distribution there are thirty- 

 seven to be found in the West Indies or jNIexico and forty in South 

 America. To this last number there should be added the forty-two 

 endemic species. The flora of Margarita may then be said to consist 

 of the following elements in the given proportions: — 



Cultivated plants 40 



Cosmopolitan plants 66 



Common to tropical America 419 



Limited to West Indies 37 



Limited to South America 82 



Total 



644 



The great variety of plants in IVIargarita is for the most part in 

 widely separated genera and families. It is seldom that there are 



