INTRODUCTION. TO BOTANY. . 203 
Discoid, discoideum. Thick, with two flat parallel faces, 
anda bluntly rounded edge. Dioscorea, Strychnos Nux- 
vomica,. ; 
Flat, planum. Lilium, Tulipa. 
Angular, angulosum. Waving prominent corners upon 
its surface. Trasus sylvaticus, Cepa esculenta, Rumex, 
Fagopyrum esculentum, Primula. 
Three-cornered, érzgonum, triquelrum. Rumex, Rheum, 
Fagus sylvestris. 
Your-cornered, delragonum, &c. 
Sawdust-like, scoliforme. Fine, long, like sawdust. 
Orchideze, Rhododendron. , 
Grooved, canaliculatum. Hollowed out into a gutter 
lenethways. Pheenix dactylifera. 
3. Surface. 
Bald, Semen giabrum. Asparagus officinalis, Nymphea, 
Brassica, Adsculus Hippocastanum. 
Smooth, /eve. Nymphea, A’sculus Hippocastanum. 
Balched, levigatum. Geranium Robertianum, G. molle, 
Melampyrum arvense. 
Shining, nilidum, lucidum. Polygonum aviculare, Ama- 
ranthus minor, Nymphee, Linum usitatissimum, Spartium 
scoparium, Adsculus Hippocastanum. 
Streaked, sériatum. Lysimachia stellata. 
_Furrowed, sulcatum. Digitalis speciosa, Viburnum fa- 
rinosum. 
Networked, reficulatum. Geranium rotundifolium, G. 
dissectum, G. columbinum. 
Wrinkled, rugoswm. Damasonium Dalechampii, Aco- 
nitum, Cymbalari ia hederacea, Elatine hastata. 
Pitted, scrobiculatum. With irregular pits. Arum Ita- 
licum, Datisea cannabina. 
Honeycombed, alveolatum, faveolatum. With pits, placed 
regularly. Antirrhinum, Papaver. ‘ 
Rough, scabrum. Ruta graveolens, Primula veris. 
Dotted, punctatum. Covered either with rising points, 
Cyclamen vernum, Anagallis Phoenicia, Geranium cclum- 
binum; or with coloured dots, Clausena. 
Tubercular, tuberculatum. With elevated lumps. Vicia 
lathyroides. | 
Warty, carunculatum. With spongy or pulpy excre- 
scences. Chelidonium majus, Ricinus. 
