65 PRINCIPLES OF BOTANY, ETC, 
§ 43. 
The pus, (bu/bus), is, properly speaking, a bud 
under ground. Of this there are the following kinds : 
1. Sealy, (squamuosus), composed of scales, as in 
the bulbiferous lily, Liltum bulbiferum, fig. 19. 
2. Coated, (tunicatus), consisting of concentric 
coats or skins, as in the common onion, Alium Cepa, 
fic. 17. 
3. Net-like, (reticulatus), consisting of concentric 
coats, like close net-work, as in the Alhum wic- 
goriale. : 
4. Solid, (solidus), consisting of a solid substance, 
as in the Colchicum autumnale. 
5. Lateral, (/ateralis), where the leaves do not, as 
3s commonly the case, rise from the middle, but from 
the side; as in Allium ampeloprasum. 
6. Doubled, (duplicatus), when two are always 
found together, as in Fritillarta pyrenaica. | 
7. Compound, (compositus), when several bulbs 
stand together, as in Allium nigrum*. 
§ 44. 
The moss-Bupb, ( propago), is a roundish or long; 
ish body, proceeding from the mother plant, and 
becoming itself a new one, asin the mosses. Lin- 
nzeus considers this as the seed. In the Musci hepa- 
tici this organ is spherical. The Marchantia bears 
* The bulb is likewise described according to its shape as 
round, oval, &c. Seein § 11. the difference between < tu- 
berous root and a bulb, 
a small 
