60 



A SYNOPSIS OF THE VEGETABLE KINGDOM. 



18. BULBOPHYLLUM TRIBE. 



A. Lateral sepals united above; 

 labellum plane or convex: 

 anthers opening down- 

 wards 03. ClRRHOPETALCM. 



AA. Lateral sepals free or nearly 

 so: labellum and anthers 

 as in the foregoiuj; 04. Bulbophylldm. 



19. Maxillaria Tribe. 



A. Lvs. plane : fls. not spurred, 

 sepals spreading from the 

 base ; labellum sessile, 



movable 05. Maxillaria. 



AA. Lvs. long, whip-like ; fls. as 



in Maxilliaria 96. Scuticaria. 



20. HuNTLEYA Tribe. 



A. Pseudobulbs evident 97. Pkomen.ea. 



AA. Pseudobulbs obsolete or 



wanting 



B. Column not boat-shaped.. 

 c. The crest of the label- 

 lum fleshy, not fim- 

 briate 



D. Labellum undivided.. 

 E. Column keeled be- 

 neath the stigma. 98. Keffersteinia. 



(See Zygopetalum) . 

 EE. Column not keeled. .99. Chondroryncha. 



DD. Labellum 2-3-!obed. . 



E. Crest forming a 

 plate free in 

 front : labellum 



subsessile 100. Warscewiczella 



E. Crest large, fleshy, 

 semicircular : la- 

 bellum clawed.. .. 101. Pescatoria. 

 cc. The crest of the label- 

 lum fimbriate 102. Huntleya. (See 



Ziff/opetfihtin }. 



BB. Column boat-shaped 10:.i. Bollea. (See 



Zi/t/opctulum ). 



21. Cymbidium Tribe. 



A. Pollinia separate on 2 out- 

 growths of the stipe : fls. 

 not evidently spurred ; la- 

 bellum free on the mar- 

 gin : leafy 104. Giiammatophyl- 



LUM. 



AA. Pollinia on a common f-tipe, 

 not on special outgrowths : 



fls. not spurred 



B. Lvs. sheathing the pseudo- 

 bulbs or short stems. . . 

 c. Stems scarcely pseudo- 

 bulbous : pollinia 

 pear-shaped on a sub- 

 quadrate stipe 105. Cyperorchis. 



cc. Stems somewhat pseu- 

 dobulbous : poll inia 

 rounded on a trans- 

 versely broadened 



stipe 106. Cymbidium. 



BB. Lvs. at the top of the 

 pseudobulbs, sheaths 

 not clothing the latter: 

 lateral sepals free 107. Grammangis. 



22. Oncidium Tribe. 



A. Fls. spurred : anther incum- 

 bent. {lonopsidecB.) .... 

 B. Labellum spurred ; sepals 

 not spurred or saccate. 

 c. Lateral sepals free, seg- 

 ments spreading. . . . 108. Trichocentbum. 

 cc. Lateral sepals united ; 

 labellum with an 

 open spur or a fleshy 

 solid protuberance. .. 109. Rodriguezia. 

 BB. Labellum not spurred, 

 long-clawed ; lateral 

 sepals united and sac- 

 cate at the base 110. loxopsis. 



BBB. Labellum with a 2-partPd 

 spur inclosed in the 



long slender spur of the 



sepals: lvs. flat 111. Comparettia. 



AA. Fls. not spurred ; anthers 



incumbent 



B. Segments connivent : la- 

 b e 1 1 u m erect, free. 



{Adcw.) 



c. Labellum narrow, undi- 

 vided ; sepals free ; 



lvs. plane 112. Ada. 



CC. Labellum folded, lateral 



sepals united 11.3. Mesospinididm. 



(Not in cultivation.) 

 BB. Sesments spreading: la- 

 bellum adnate to the 

 base of the column, 

 limb enveloping the lat- 

 ter. (Tkichopilie.e.) . .114. Trichopilia. 

 BBB. Segments spreading : la- 

 bellum spreading from 

 the middle of the col- 

 umn. (A.SPASIE.E.) .. , 



C. Middle lobe of the label- 

 lum large and broad 

 or the labellum undi- 

 vided 115. Aspasia. 



cc. Middle lobe of the label- 

 lum narrow. 116. Cochlioda. 



(See also Mesospini- 

 BBBB. Segments spreading ; label- dium), 

 lum nearly free and 

 spreading (Odonto- 

 GLossE.E), stigma at 

 the top of the column ; 

 rostelium scarcely or 

 not at all beaked : pseu- 

 dobulbs scarcely con- 

 cealed by the plane lvs. 

 C. The base of the label- 

 lum parallel with the 

 column, blade ex- 

 panded 117. Odontoglosscm, 



cc. The labellum spreading 

 from the base, scarce- 

 ly clawed 



D. Labellum resembling 

 the dorsal sepal : 

 lateral sepals en- 

 tirely united 118. Palumbina. 



DD. Labellum differing 

 from the dorsal sep- 

 al : lateral sepals 

 free or partially 



united 



E. Sepals and petals 



long and narrow. 119. Brassia. 

 EE. Sepals and petals 



broad 



F. Labellum large, 

 undivided or 

 sagittate at the 



base 120. Miltoxia. 



FF. Labellum various- 

 ly formed, 3- 

 lobed. disc orn- 

 amented with 

 fleshy tubercles. 121. Oncidium. 



23. S-VRCAXTiirs Tribe. 



A. Labellum moveably joined 



to the column 



B. Middle IoIk' tongue-shaped 



or labellum entire 122. Rexanthera. 



BB. Middle lobe shaped like a 



conch shell 123. Esmeralda. (See 



AA. Labellum firmly united Vanda), 



the foot of the column ; 



not spurred 



B. Terminal lobe of the label- 

 lum vertically flattened. 124. Vandopsis. 

 BB. Labellum not vertically 



flattened 



c. Lvs. terete 125. LuisiA. 



cc. Lvs. plane 126, Phal,enopsis, 



AAA. Labellum firralv united 

 with the foot of the 

 column ; but spurred. . . . 

 B. Lateral sepals inserted on 

 ovary : foot of the col- 

 umn absent 



c. Pollinia on a common 

 stipe 



