Morinda.'l Lxx. RUBiACEiE (hiern). I93 



Ifforth Central. Monbuttu-land, Schwcinfurth, snp milky; native name 

 " Mhogpra." 



zrile ]band. Niamniam-land, at Furu, Schweinfurtk ! 



]Lower Guinea. Congo, C'kr. Smtk ! 



There are two states or varieties of this plant, one with pu1»orulous ovary, the 

 other with glabrous ovary ; the latter seems to be confined to Fernando Po, 



61. PSYCHOTRIA, Linn. ; Benth. et Hook. f. Gen. Plant, ii. p. 123 

 (excl. Grumilea ; incl. CH AS ALIA, Commers., Benth. et Hook, 

 f. I.e. 126.) 



Calyx usually small; limb shortly cup-shaped, subtruncate or 

 toothed or lobed Corolla funnel- or salver-shaped or cylindrical, 

 short or rather elongated, usually 5- rarely 6- or 4-lobed ; tube straight 

 or curved ; throat usually bearded ; lobes ovate or lanceolate, rarely 

 appendaged at the back, valvate in aestivation. Stamens equal \\\ 

 number to the lobes of the corolla, included or exserted, inserted on 

 the throat, glabrous ; anthers linear or oblong, fixed at the back rather 

 above the base ; filaments short or nearly as long as the anthers. Disk 

 cushion-shaped or elevated, undivided or sulcate- lobed, glabror,>. 

 Ovary 2-celled ; style filiform, bifid bidentate or nearly entire, glabrous 

 or somewhat hairy, included or exserted ; ovules solitary, compressed, 

 smooth, erect; placentas inconspicuous. Fruit subglobose or ovoid, 

 sometimes subdidymous; pyrenes 2, or by abortion solitary, usually 

 ribbed on the back. Seeds costate or sulcate; albumen uniform, 

 radicle inferior. — Shrubs or small trees with opposite or verticillate 

 leaves, undivided or dentate or cleft stipules and small cymose hermo - 

 phrodite flowers arranged in terminal or rarely axillaiy panicles oi- 

 heads. 



A large genus occurring throughout the tropics, very numerously represented iu 

 Americ.i ; all our species, except P. ohtusifolia, Poir., appear to be endemic. 

 Flowers usually straight and funnel-shaped or shortly 

 cylindrical, ^--^ in. louor. 

 Bracts arid brac'teoles minute or obsolete. 



Flowers tetramerous (is one species few. 4-5-merous) I. Tetbamer.'e. 

 Flowers numerous, penttimerous or occasionally 

 hexameroiis. 



Inflorescence paniculate, not in solitary dense 



heads II. PANICULATiE. 



Inflorescence small, dense, subcapitate . . . III. Coxfbrtifloh.i;. 

 Bracts or bracteoles, or both, present, not minute . . IV. Bracteat^. 

 Flowers usually curved and salver-shaped. !-l in. long . V. Chasalia. 



I. TETRAMEKy^;. 



Corolla-lobes without appendages. 



Inflorescence pedunculate. Branchlets without longi- 

 tTidinal ridges. 

 Anthers exserted. 



Inflorescence consisting of few 4-o-merous flowers. 1. P. panridinnfho. 

 Inflorescence consisting of many 4-merous flowers. 2. P. brachi/antha. 

 Anthers included or nearly so. 



Leaves 2^-6 in. long: lateral veins about 8-9 p;iirs; 

 tertiary veins inconspicuous. 

 VOL. III. fl 



