TRICnOCENTRUM. 



ORCHIDES. 545 



b. Calcar manifestuin. 



4. TRICHOCENTRLM RECURVUM Lindl. Bot. Reg. XXIX. (1843.) Misc. 17: 

 Bracteis distichis cucullatis ovatis acutis, sepalis petalisque ovatis 



acutis, labello oblongo basi purpureo hidentato, calcari recurvo ovarii 

 longiludine, columnae alis cuneatis denticulatis , anthera pubescente. 



A Guyana plant , imported by Msrrs. Loddiges. It resembles Trigonidium in habit, 

 bul is snialier. The lip is wliite , witii a d^ep purple spot at its base ; aflerwards it 

 changes to pure yellow. The spur is long , and curved backwards and upwards , so 

 as to arch over ihe baclt of the flower. 



5. TRICHOCENTRUM FUSCUM Lindi. Bot. Reg. XXVII. (1835). 1951: 



Foliis oblongis aculis oblique torfis racemo longioribus; labello glabro 

 bilobo basi bilamellato venis quibusdam callosis, alis columnae serratis. 



Acoidium fuscmn Lindl. in Hort. 



Mexico iiitrod. by .Mr, Kiiight of the Kings Road, Chelsea. 



Labelium albuin purpura pictum calcare viridi, perigonium viridirubellum. 



6. TRICHOCE-NTRUM PINELI Lindl. Gard. Chronicle 1854. 772: 



Columnae alis truncatis denticulatis, labelli oblongi emarginati callis 

 2 linearibus oblique (runcatis parallelis glabris dentibusque totidem 

 uxta basin hirsutis, calcare pedicello subaequali apice uncinato. 



Veitch. We have it in a wild specimen with a coloured drawing froni our friend, 

 the Chevalier Pineli , who found it near Rio. It is much Iike T. fiiscum , but the 

 wings of the cokimn, Ihe callous lines on ihe lip , and the peculiar spur. readily dis- 

 tinguish it. In Drazil the sepals and pelais are cinnamon brown , the lip white wiih 

 crimson freckles near the base, and the leaves are spotted wilh red , as in Oncidiuin 

 Papilio, ihe live specimen was paler iu all resjiects. 



7. TRlCHOCEiNTRUM PURPUREUM Lindl. Gard. Chron. 1854. 77'^: 



Columnae alis dolabriformibus denliculatis, labelli obovalo oblongi 

 emarginati callis 2 linearibus obtusis adjecto minore utrinque juxta 

 apicem dentibusque lolidem juxta basin glabris, calcare ovarii longiore 

 crasso obtuso sub-falcato. 



Veitch. The dull olive green sepals and petals of T. fuscum, but its lip is purple 

 and iis ihick curved spur is peculiar. Like all olhers it is a stemless /leshy leaved 

 epiphyte wiih litile radical one- or twollowered scapes. Said nalive of Demarara. 



8. TRICHOCEiNTRUM TENUIFLORUM Lindl. Paxt. FI. G. l. p. 12: 



Foliis — , sepalis linearibus acutis, petalis conformibus obtusis, la- 

 hello obovalo, emarginato, subundulato, basi angustato , larnellis totam 

 basin occupantibus, columnae alis semicordatis acutis. 



Differs by its narrow sepals and pelals of tbe small Uovvers and its almosl linear ob- 

 ovate lip wilh a pair of plates occuping ihe whole of ihe base. Bahia. Flowers 

 small, dingy brown, and white. 



9. TRICHOCENTRUM MACULATUM Lindl. Orchid. Lind. 1846. p. 24. Nr. 127: 



Foliis linearioblongis carnosis obtusis, bractea cucullata, sepalis pe- 

 talisque oblongis oblusis, labello obovato bilobo oblusissimo medio bi- 

 linealo, calcare longi.ssiino, coliimnae alis carnosis truncatis denlatis. 



„An epiphytc wiih very ihick llesby leaves, spoited with red. Flowers large wilh 

 a very long spur; petals white, s|i&tted with purple. Lip wiih a yellow crest. New- 

 Granada, in the province of Rio Hacha, at ihe hciglit of 4500', on old trees, on the 

 border of the rivcr San Antonio , in the Sieira Nevada of Sta Marlha. Febr. 1844 

 N. 1066." 



Rchb. Ijl. I'.onpI. H. 280. Ocainia. Juli. Nr. 41. Scblim Rliithen grosser. als 

 bei der urspruuglichen Forni. i»ie Kiele geiien bei T. pulchruin Popp. Endl. bis auf 



VI. 69 



