90 ‘INTRODUCTION TO BOTANY. 
Lieafstalk, petiolares. Growing on the leafstalks. Cha- 
meerops humilis. 
Axillary, axillares. Growing at the setting on of the 
leaves. Citrus Medica, Celastrus multiflorus. 
Infraxillary, inferaxillares. Growing below the setting 
on of the leaves. Ribes spinosum. PI. 6, fig. 16. 
Superaxillary, superaxillares. Growing above the setting 
on of the leaves. Gleditsia triacanthos. Pl. 4, fig. 16. 
Involucral, involucrales. Growing on the involucrum. 
Silybum Mariz, Centaurea benedicta. 
Pericarpial, pericarpiales. Growing on the pericarp. 
Allamanda cathartica. 
8. Grigin. 
Stipulean, Aculei stipuleani. Growing near the leaves, 
and appearing to arise from stipules changed. Berberis, 
Ribes spinosum. Paliurus aculeatus. 
Petiolean, petioleanit. Arising from leafstalks changed 
into arms. Miniosa verticillata. 
Foliolean, folioleant. Arising from leaves changed into 
arms. Chameerops humilis. 
Ramean, rameani. Arising from branches changed into 
arms. Prunus spinosi, EKleagnus angustifolia. 
4. Direction. 
Bent upwards, Aculec infleci. Bent and pointing to the 
upper part of the stem, or branch. Rosa muscosa, Mimosa 
cineraria. 
Bent downwards, reflex?. Bent and pointing to the 
lower part of the stem, or branch. Rubus fruticosus, Rosa 
rubiginosa, R. canina. ; 
5. Form. 
Awlshape, <Acule: subulati. Rosa villosa, Robinia 
Pseudo-acacia. 
Bristlelike, setacei. Very slender, Rosa spinosissima, 
Conical, conici. Zanthoxylum Clava-Herculis. 
~ ¥ Straight, rectilinei, recti. Rosa spinosissima. 
Bent, curvi. Rosa muscosa, R. rubiginosa. 
6. Simplicity. 
Simple, Aculei simplices. Cactus, Celastrus. 
Branched, ramosi. Gleditsia horrida. 
‘Two-parted, lipartiti. . 
Three-parted, ¢ripartiti. Berberis vulgaris, Ribes syl- 
vestris. P1.6, fig. 16. 
