351: 
Sect. X. Folta quina longa, - con! longi, Apophysis 
latissima, 
’78. Pinus Regeliana (Roezl), folia quina, tenuia, 25 
—28 cent. longa; vaginae sericeae 15 — 20 millim. longae, 
Coni 12 cent. longi, 4 lati, fere recti. Apophysis convexa, 
transverse carinata, 15 mill. lata, 10 alta. Protuberantia de- 
pressa, leviter mucronata, Uniecam hujus speciei reperi arho- 
rem, enjus rami longi et eonferti (tonffues), infimi metro 
distabant ab terra. Habitus ejus admirabilis. : Crescit in 
latere oceidentali montis Ixtacihnatl proxime ad Hacienda de 
Zayaleta, altitudine 8—9000 pedem. 
Sect, XI, Folia terna sirieta, con! ovoidei, nigro- 
violacei. 
79. Pinus scoparia (Roezl), folia terna, sacpius qua- 
ierna in eodem ramo, 10 cent. longa; vaginae sericene, 12 
—13 mill. long. Coni ovales, 6— 7 cent. lougi, 3 lali, re- 
sinosi, violacei, fere nigri. Apoplıysis lata, valde irregularis, 
basi depressa, 10 will. lata, 5 alta. Protuberantia parva, 
Mucrone parvo recunvafo terminata. 
80, Pinus Iztacihuatlii (Roezl), folia terna, 13—14 
sent. longa; vaginae 13 — 15 mill, longae. Coni conici, valde 
intense violacei, 9 cent, longi, 3 lati. Apophysis fere qua- 
drangularis, protnberantia valde prominente, 
81. Pinus xesinosn *) (Roezl), folia terna, qualerna, 
quina in eodem ramo, griseo-viridia, 13 cent. longa; vagi- 
nae sericeae 15 — 13 mill. longae. Coni ovales, valde resi- 
wosi, fere nigro-violavei, 9 vent, longi, 4 lat. Apophysis 
uadrangalaris, valde prominens, eeniro depressa. Protuhe- 
'anlia parva, Muctone reverso. 
—— 
*) Nomen mutandam, qaun jam exstat P, resinosa Solandri, quae 
follis geminis instrucie est, So 
