ORCH1DES. 702 ONCIDIUM. c a r i n a m e d i a e r e c l a acuta, 2 Intern I I'S p r e m i e adnalae denticulis 2 a frontc verrucisque pluribus ulrinque ; alae retusae . . . 17, orgyale. • 18. Icnense. . 19. c o r ^ n c p / i o r u m . carinao paucae erectae ncuiae verrucis paucis sinuosis u t r i n q u e ; alae triangulares Labellum panduralum integrum, c o l u m n s aplera r e l u s u m , l a c i o i i s laleralibus p a r t i s triangularibus; utrinque auriculata . L a b e l l u m r o t u n d u m aut e q u i l a t e r i - t r i a n g u l a r e £t-)inii iNffd , iniiififHii oblatum trilobum . . . columna . . . . . basi . . 20. loxense. convexum I 'nil ito-o;»-l ji;M>-.i <-n ' w (Cimicifera.) . . . i ulmU . . . . , l»biHi'« v t j . 21. micvochilum. circularc sepalis laleralibus linearibus elongatis s e p a l i s o m n i b u s ovatis i . . . . . . 22. cimiciferum. 23. cocciferum. Iriangulare. alis c o l . o b s o l e t i s 24. alls c o l , a c u m i n a t i s 25. .aStio&qa aril 'lo '.tg^lefit A. All straggling or twining, cultivation, though most of them Hartweg, or • .. ractenstic. (•^lUtuuiVru 1. O N C I D I U M reaching flowers, have to been T h e i r p a n i c l e s are a great length. sent t usually S c a r c e l y any are in h o m e b y e i t h e r W a r s c e w i c z , or . . . . . r.i. r. A i j y c lata M A C R A N T I 1 U M L . 0 . 205. L . F . 1. c . N r . 1. p . 4 : A m a g m ' Q c e n t s p e c i e s , with a c l i m b i n g p a n i c l e . Lip p u r p l e , F l o w e r s t h r e e i n c h e s in with a w h i t e c r e s t , a c e n t r a l k e e l , w i t h t w o a c u t e r e v e r s e d teeth o n either in the p r e v a i l i n g tint o f w h i c h M r . L i n d e n ' s c o l l e c t o r s . T h e t o u g h l e a t h e r y lip is a n e s s e n t i a l c h a . u i t r t i hiiuaiiun ' iiImitaAl' cl.'"L'.j9i S3ttid ii"iiiESoo iihi sfiiinjolo.T Sepals purplish b r o w n , petals y e l l o w . Wild - o r without a mixture o f y e l l o w . sometimes oxaminans. Auriculata. the s p e c i e s o f this s e c t i o n h a v e v e r y l a r g e is c i n n a m o n - b r o w n w i t h trulla. Central-Amerika, common; 1919 ; at the f o o t o f T u n g u r a g u a , Guayaquil 11,000 ft. diameter. c o n s i s t i n g of side. lib. L a m b e r t ; P e r u — Matthews, a b o v e the s e a — H a r t w e g ; d e s c e n t f r o m A l a u s i to J a q u a c b i , at 7000 ft. — J a m i e s o n , in l i b . H o o k e r . L i n d l . in P a x t . F l . G a r d . I I I . 1 2 6 : Pseudobulbis o v a t i s , foliis oblongis obtusis, r a c e m o volubili, sepalis cordatis oblongis obtusis undulatis u n g u i c u l a t i s , petalis aequalibus conibrmibus paulo latioribus et brevius u n g u i c u l a t i s , labelli hastati laciniis lateralibus subfalcatis intermediae acuminatae aequalibus, crista 3 lamellata, lamellis apice confluentibus utrinque dentibus t r u n c a t i s , columnae alis rottinda,tis. Guayaquil. F l o w e r s 3—4 i n c h e s a c r o s s . bright y e l l o w . Sepals purplish L i p p u r p l e , with a w h i t e b r o w n , tipped with yellow. Petals crest. ^ILii'ijliuaj 2 . ONCIDIUM C O R D A T U M L . F . 1. c . s u b N . 2 . C J I i i t l l S H G n t HG!lU:Q fta! 'nun m.lr. L . S e r t . 1. c . p . 4: Pseudobulbis —, foliis oblongo lanceolatis acutjs coriaceis basi angustatis, s c a p o paniculato ramosissimo, bracteis oblongis cucullatis rnemb r a n a c e i s obtusisi, sepalis unguiculatis ovatis undulatis, petalis unguicu­ latis cordatis margine crispis dnnliculatis, labelli hastati unguiculati lobis angustis acuminatis appendicibus disci p e t a l o i d e i s , columna subaptera.