343 
Sectio IV. Folia guina brevia tenuia, satis glauca, Coni 
parvi orbiculares acuti. 
48. Pinus gracilis (Roezl), folia quina, valde tenuia re- 
eurya, 9—10 cent. longa. Coni 5 cent. longi, 3 Jati. Pe- 
dunonli medioeres. Apophysis rhomboidea, apice rotundata, 
transverse carinata. Protuberantia mueronata. Arbor 25 — 
30 metr, alta, ramosissima, foliis valde densis. Species prae 
aliis jucunda. An declivitate Andium ad oceanum pacificum, 
altitud, 9500 — 10,000 ped. 
::.49, Pinus Ehrenbergii (Endl.), folia quina, strieta, eire, 
‚8.eent. longa. YVaginae breves squamosae. Coni 5—6 cent. 
longi, 3 lati. Apophysis rhomboidea, depressa, iransverse 
acnta, carinala, inferiornm latera angustiora (lateralement plus 
€troites). Protuberantia excentrica orhieularis, in mucronem acu- 
tum elongata. Cresecit prope Real del Monte, altit, 8000 ped, et 
simu] eirca Guajimalpa, alt, plus quam 10000 ped. altingente. 
‚50, Pinus Comonforti (Boezl), folia quina, tenuia, Inete 
viridia, 10 cent. longa, eum vagina brevi. Coni pyramidales 
5 cent, longi, 3%, cent, lati. Apophysis irregularis; proin- 
berantia parum prominens. Arbor valde venusta, satis densa, 
normalis, ramis horizontalibus, Arbor 12—15 metr. tantum 
alta ereseit in montibus summis eirca Huisquiluca, altitudine 
plus quam 11000 pedum. 
51. Pinus Huisquiluenensis (Roezi), folin/quina, tenwia, 
laete viridia, 9 cent, longa. Vaginae eaduene. Coni recti, 
5 oent, longi, 5 ati. Apophysis rhomboiden, apie rotun- 
data. Protuberantia parum prominens, medio depressa. Haeo 
arhor habitn foliisgue simillima P. Comonfortii, sed .duplo 
‚altior fere evadit, Eodem loco erescit. 
52, Pinus verwneosa (Roezl), folia quina, recia, glauca, 
8—10 cent. longa, YVaginae eadueae, Coni 5 cent, longi, 
