It is, on the other hand, a danger in the opposite sense to conclude that all Chantransia species are stages in the life-cycle of other plants, and, similarly, that all irregular colonial forms, like Palmella, represent phases in the life of other Green Algae.
The chief towns of Portugal are Lisbon (pop. 1900, 356,009), the capital and principal seaport; Oporto (167,955), the capital of the northern provinces and, after Lisbon, the most important centre of trade; the seaports of Setubal (22,074), Ilhavo (12,617), Povoa de Varzim (12,623), Tavira (12,175), Faro (11,789),(11,789), Ovar (10,462), Olhao (10,009) Vianna do Castello (io,000), Aveiro (9975), Lagos (8291), Leixoes (7690) and Figueira da Foz (6221); and the inland cities or towns of Braga (24,202), Louie (22,478), Coimbra (18,144), Evora (16,020), Covilha (15,469), Elvas (13,981), Portalegre (11,820), Palmella (11,478), Torres Novas (10,746), Silves (9687), Lamego (9471), Guimaraes (9104), Beja (8885), Santarem (8628),(8628), Vizeu (8057), Estremoz (7920), Monchique (7345), Castello Branco (7288), Abrantes (7255), Torres Vedras (6900), Thomar (6888), Villa Real (6716), Chaves (6388), Guarda (6124), Cintra (5914), Braganza (5535), Mafra (4769), Leiria (4459), Batalha (3858), Almeida (2330), Alcobaga (2309), Bussaco (1661).
Usnea, Cladonia, Physcia, Parmelia, Calicium, many species of Lecidea, &c., Trentepohlia (Chroolepus) umbrina in many species of Verrucaria, Graphidieae and Lecidea; Palmella botryoides in Epigloea; Pleurococcus vulgaris in Acarospora, Dermatocarpon, Catillaria; Dactylococcus infusionum in Solorina, Nephromia; After Sachs, from De Bary's Vergleichende Morphologie and Biologie der Pilze, Mycetozoen and Bacterien, by permission of Wilhelm Engelmann.