INTRODUCTION TO BOTANY. 
161 
One-sided, unilateral. Attached to one side only of the 
ovary. Melampyrum arvense, Saxifraga sarmentosa. 
Peristomic, perislomicum. Spread over the receptacle, 
as far as the place from whence the stamens arise. S^ipin- 
dese, Myrteae, Rosacese, Leguminosae. — This nectary is 
found only in flowers whose calyces are gamosepalous and 
stamens perigynous, or in those which have only a single 
floral integument of one piece; and seems to push the 
stamens towards the opening of the calyx or perigonium. 
Periandric, periandricum. Placed round the stamens. 
Xylophylla montaiia. — Found only in monad elphous 
flowers. 
Peripetalic, peripetalum. Surrounding the corolla. Chi- 
ronia frutescens. 
If Epigynous, epigynum. Placed upon the ovary. 
Cornus, Rubiaceae, Umbelliferae, Cucurbita esculenta. 
Crowning, coronans . Forming a crown upon the ovary. 
Composite, Astrantia. — When this nectary is situated on 
the junction of the ovary with the calyx, it is difficult to 
distinguish it from a peristomic nectary. Campanula. 
Expanding, expansum. Extended upon the top of the 
ovary. Saxifraga hypnoides. 
2. Form. * 
Gy noph ore-like, Nectarium gynophoroideum. Rising up 
the ovary, like a gvnophore. Creorum tricoccum, Zygo- 
phyllum Morgsana, Corchorus hirsutus. — This is usually 
of a closer and more glandular texture than a true gyno- 
phore. 
Disk-like, discoideum, disciforme. Flat, orbicular, and 
serving as a basis for the ovary to rest upon. Gratiola 
officinalis. 
Ringlike, annularium . In form of a ring. Scrofularia 
sambucifolia, Cestrum, Polemonium vulgare, Chironia 
frutescens, Passiflora cserulea. PI. 11, fig. 4. 
Sack-like, sacelliforme. Forming a purse in which the 
ovary is placed until it is fully grown. Balanites iEgyp- 
tiaca. 
Scale-like, squamiforme. In the form of a scale. Gre- 
villea. 
Bunched, gilhosum . Swelled out upon one side. Salvia. 
Beaked, rostratum. Lengthened out in a beak upon 
one side. Scutellaria. PI. 11, fig. 12. 
Fine-toothed, denticulatum . The edge divided into small 
teeth. Datura, Tatula. 
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