oi i^l, ein Anschla«r, unurfalir dopprlt 
ilui z. B. John Smilli inaclion wi 
r iniissoii daher in vorlie^cndein F<d 
verzichten, die violoii scldtH-liliMi m 
1 dossen (ilaubensuonosM-n md'm'slidfh 
. ubor diM. H.uilVn uc-uoHVu /.. srli. 
Amerikanische Eicheii, gesainineU von 
Dr. B. Seemann. 
Ouercus lacta Liebrn. 0. oblusula Bonlb. 
. Harlw. p. 419 (nec II. W. K.) : ramis tero- 
)iis glabris fuscis, ramulis angulatis, pilis 
ollatis detorgibilibus obsitis, foliis coriacois 
reviputiolaUs oblongis utrinque oblusis basi 
()r(into-(Mriarginatis £rrossc crcnalo- ropandis, 
ronis obtusis interdiim apiculo calloso lerini- 
idis, nervis ulrinsecus 8 -10 excurrentibus, 
iiioribus inlerjeclis, transverse reticulato- 
v(^nulosis, nervis vcniilisqne subtus prominen- 
■huH, supra dilute viridibus nitidis in junioribus 
tdis stellatis adspersis, subtus ^ilnucis pilis stel- 
luberculala Lii' 
'ih iK'liolalih obloi 
carlilai 
stomosantibus transverse reticulato- venulosis, 
subtus prorninentibus, supra dibite viridibus ni- 
ti(iis irlabris (in junionbus pdis stellatis brevibus 
adspersis), subtus pallidis giaberrimis, petiolis 
varia longitudine (riabris, fructibus axillaribus 
sessilibus L^eniuus v. solitarns, ^dandc Iruncalo- 
ovoidea apice umbilicato-impressa niainilla parva 
lerminata sti<)matibus 3 brevissimis, basi umbone 
magno notala, tenuissime puberula, cupula ler- 
tiam glandis partem oblegente deprcsse eyethi- 
Ibrrni. squamis arete imbricatis tuberculo calloso 
prouunentc dorso notatis adprcsse lerruijineo- 
jjuberulis. — Folia 3—5" longa, I [—2" lata, 
pelioli 2—9'", fflans ()'" alta et in diaai(!tro, cu- 
pula 3'" alia, b'" in diamelro. Gemmae ovalac, 
squamis ovatis oblusis ciliolalis ccterum nlabris. 
- Coll. Seemanni no. 1970 in bb. Hooker i 
(4 fr.!). Sierra madre Mex. bor.-occid. Obs. 
Forma tbliorum cum 0- Harlwegii Benth. ot 0- 
laetaLbm. convenil; fructibus sessilibus a 0- la*-tn 
distinguilur, glande duplo minor! a 0- Harlwegii. 
Ouercus laxa Liebm.: ramis lorelibiis, 
fuscis tomenlosis, ramulis angulatis sulcalis villo 
flavescente dense obsilis; foliis coriacois petiobitis 
obovalis apice rolundatis basi atlenualis plus 
minus cordato-emarginatis plus minus obliquis 
)V()idea apiculata basi depressa nitida olabra, 
•upnla pati'lliformi basin glandis amploctenti?, 
-dulta 3" longa, 1" lata, pi^lioli 2"', peilunculi 
.--2!", fflans 0"' alia, 5"' in diamelro. — 
•oil. 'Secmanni no. 1971 in hl>. Hookeri 
spocimina sterilia! Sierra madre Mex. bor.-occ. 
Obs. IManta HarlwcMriana no. 419 in hb. Hookeri 
W. K. 
1 sterilia 
td)us saepe apiculo calloso terminatis, transverse 
relioulalo-venulosis subtus prorninentibus, supra 
1 nrjaucis pilis stellatis flavescenlibus adspersis, 
i subtus densius incano-tomentosis, petiolis parum 
i comprossis tomenlosis, stipulis scariosis linea- 
ribus exlus adpresse pilosis, fructibus laxe et 
: inlerruple spicatis, rhachi 2—3! pollicari llexuosa 
dense cavo-flavescenti-lomenlosa, glande glabra 
utriiH}ue Iruncata subglobosa apice umbilicato- 
impressa mamilla adpresse tomentosa termi- 
i nata, basi umbone magno nolata, cupula cyathi- 
I formi dimidiam glandis partem amplcctenle, 
.squamis arete imbricatis lato-lanceolatis obtusis 
I adpresse pubescenlibus scariosis. — Folia 3-4" 
! longa, 1 1- 2" lata, pelioli 3— 5"', glans 5— 6"' 
I alia tolidemque in diamelro, cupula 3"' alia, B'" 
I in diamelro, slipulae 3"' longae, lalae. Gem- 
