Orchidaceae. 345 
Hab. in Grenada in sylvis montosis umbrosis humidisque 
prope lacum Grand Etang: Broadway n. 1224; Tobago prope “The 
Widows’: Broadway n. 2497; Trinidad ad Cascade of Diego Martin: 
Dr. Bradford. — Amer. austr. trop. 
Subtribus V. Physureae Pfitz. 
Pfitz. Natürl. Anord. Orch. (1887) p.98 (Physurideae) et in Engl. und 
Prantl, Natürl. Pflanzenfam. II.6 (1888) p. 114. 
Labellum petalis difforme aut paene conforme, anticum, saepe pen- 
dulum. Sepalum impar cycli externi cum petalis in galeam saepissime 
cohaeret. Anthera erecta vel incumbens, aeque fere longa ac rostellum; 
pollinia sectilia, rostelli glandulae affiguntur. — Folia mollia, non plicato- 
venosa, ad basin caulis conferta, aut rarius caulis foliatus vel aphyllus. 
X. Physurus L. C. Rich. 
L. C. Rich. Orch. Europ., in Mem. Mus. Paris IV (1817) p. 55 
(nomen tantum); Lindl. Gen. and Sp. Orch. (1840) p. 501; Benth. 
et Hook. Gen. III p. 597; Pfitx. in Engl. und Prantl, Natürl. 
Pflanzenfam. II.6 p. 116; Cogn. in Mart. Fi. Bras. III.4 p. 225. 
Sepala subaequalia, libera, erecta vel subpatentia. Petala cum 
sepalo postico in galeam conniventia vel cohaerentia. Labellum a 
basi columnae ereetum eique interdum breviter adnatum, subtus in 
calcar descendens productum, superne cavum, abrupte contractum, 
lamina terminali patenti vel recurva integra vel bifida. Columna 
brevis nune brevissima, exalata; stigma ad basin rostelli erecti lon- 
giusculi cavum; clinandrium parum prominens. Anthera erecta, 
breviter acuminata, loculis contiguis distinetis; pollinia granulosa 
(sectilia), anthera dehiscente a glandula rostelli saepius majuscula ob- 
longa pendula pollinario delapso rostellum alte bifidum relinquentia. 
Capsula oblonga vel ovoidea, erecta. — Herbae terrestres, foliatae, 
regionum calidiorum Americae et Asiae incolae, fibris radicalibus in 
thizomate repente- saepius faseiculatis. Caules ascendentes vel erecti, 
simplices. Folia petiolata, membranacea, ovata vel lanceolata. Flores 
parvi vel mediocres, in spica saepe elongata subsessiles. Bracteae 
Parvae vel angustae. 
Conspectus specierum. 
I. Labellum basi attenuatum non cucullatum, sub apice valde constrictum. 
A. Labellum sepalis aequilongum, lobo terminali ovato, trilobulato; calcar 
anguste obovoideum. 
1. Caulis robustus, superne longe denudatus; folia basi angustata; 
bracteae acuminatae, ovario longiores; ovarium densiuscule glan- 
duloso-pilosum; sepala 6 mm. longa 57. P., plantagineus Lindl. 
