BOTANICAL MUSEUM LEAFLETS 
HARVARD UNIVERSITY 
CambBripGe, Massacuusetts, May 24, 1974 VoL. 23, No. 10 
ON THE SYSTEMATICS OF THE 
MONOPODIAL ORCHIDS II. 
BY 
LesLiE A. GARAY 
The primary object of this paper is to clarify the cir- 
cumscription of the genus Papihonanthe Schltr. The 
genus was monotypic until now, mainly because of the 
lack of understanding of the delimitation given by 
Schlechter. In addition to Papilionanthe new taxonomic 
changes are proposed in sundry genera, all arranged in 
alphabetical sequence, following the pattern established 
in the first contribution published in the Botanical Mu- 
seum Leaflets, Harvard University 28: 149-212, 1972. 
Papilionanthe Schltr. in Orchis 9: 78, July 15, 1915. 
Syn.: Vanda Sect. Teretifoliae Pfitz. in Engl. & 
Prantl, Natuerl. Pflanzenf. 2, pt. 6: 214, 1889. 
Vanda Sect. Teretivanda O. Ktze. in Post & 
Ktze., Lex. Gen. Phan. 584, 1908, nom. illegit. 
Type: Dendrobium teres Roxb. 
A erides Sect. Phalaenidium Pfitz. in Engl. & 
Prantl, Natuerl. Pflanzenf. 2, pt. 6: 217, 1889. 
Type: derides Vandarum Rchb.f. 
This genus is characterized by a short, stout, non- 
pyramidal column, basally extended into a long and 
prominent foot which is continuous without articulation 
with the variously 3-lobed lip. The lateral lobes of the 
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