PICEA. 113 
Pinus tetragona JMónch Method. 364. 
Abies alba JMichauc Flor. Bor. Amer. II. 207. — Michauz f. 
Arb. forest. I. 133. t. 19. Loudon Arboret. Brit. IV. 2310. 
f- 9924. Spach Hist. nat. veg. phan. XI. A12.  Pinet. Wo- 
burn... 95. £. 33. 
Abies curvifolia Hort. 
Picea alba Link in Linnea XV. 519. 
f. nana. Abies alba nana Loudon Arboret. Brit. IV. 29411. 
Habitat in. America, boreali, a 09 ad 48? L. B. diffusa, 
versus polum rarior planitierum incola , austrum versus in 
montes adscendens. 
Arbor pro soli coelique ratione variae altitudinis, raro quin- 
quaginta pedes superans, ad limitem borealem adhue vigintipe- 
dalis. 'Truncus rectus, vix unquam sesquipede crassior. Rami 
horizontales, apice saepe sursum flexo, ramuli deflexi. Folia 
dense undique inserta, recta v. inprimis in juventute incurva, 
6— 9'^' longa, eompresso tetraquetra, angulis obtusis laete viri- 
dia, faeiebus stomatum fasciis glauco-albentia, in mucronem 
brevem obtusum, flavo rufum desinentia, basi in petiolum an- 
gustata, pulvinulo dilute fusco, apice breviter squarroso patulo 
imposita. Amenta mascula versus apices ramorum adultorum in 
pedunculo fere pollicari, basi perulis ciliato laceris cincto nutan- 
tia, cylindricea, obtusa, antherarum crista purpurea, ciliato- 
lacera. Strobili in pedunculo fere pollicari penduli, cylindrici 
v. ovoideo oblongi, utrinque obtusi, 2—2/5^' longi, diametro 
maximo semipollieari, e squamis semipollicaribus, circiter quin- 
que lineas latis, obovatis, integerrimis, primo viridibus, macula 
rubente pictis, tandem dilute fuscis compositi. Bracteae cuneatae, 
rotundatae, squamis multoties breviores. Semen lineam longum; 
ala triplo longior, margine hine recto, illine convexo, medio 
flavida, caeterum alba. 
H 27. PrNvus RUBRA Lamb. 
Picea foliis tetragono - subulatis acuminatis, strobili 
ovato-oblongi obtusi squamis late obovatis bilobo laceris 
margine integerrimis. 
8 
