1 60 Mr. Gardner's Description of Pel tophyllum . 



extrorse anthers. From these considerations I propose to constitute a distinct 

 order for the reception of these two genera, which will hold the same relation 

 to the Syncarpous orders of Dictyogens, as Menispermacece does to those of 

 Homogens ; and which, in the mean time, may be thus characterized :— 



TRIURACEiE. 



Herb* parvulas, perennes, rhizomate repente ? Folia solitaria, a scapo distantia, longe petio- 

 lata, nervosa, integerrima. Vagina ad basin petiolorum membranace<£. Scapus sub- 

 ramosus, basi squamosus. Flores regulares, dioici ; pedicellis unifloris, bracteatis. Pe- 

 rigonium corollinum, 3-6 partitum, patens, persistens, laciniis longe acuminatis, a3stiva- 

 tione basi valvatis, acumine interdum tubuloso, ante anthesin gyrato incluso. Stamina 

 3-6? Anther* extrorsae, loculis disjunctis, imo androphoro magno carnoso central! 

 insertae. Ovaria plurima, in tori apice sessiHa, adpressa, libera. Ovula in loculis soli- 

 taria? Styli sublaterales, subulati vel ad apicem incrassati et oblique truncati. Fructus 

 ignotus. 



EXPLANATION OF TAB. XV. 



Fig. 1 & 2. Scapes of Peljophyllum luteum, of the natural size. 



3. A scape, magnified. 



4. A leaf, of the natural size. 



5. A carpel, magnified. 



6. A segment of the flower, seen from without. 



7- A representation of a segment of Triuris hyalina, in the expanded state, showing the 



entrance to the tube. 

 8. The same in its half-expanded state. 



Glasgow. April 4th, 1843. 



