Mouograpliia Tiliae generis. 
57 
Enumeratio formarum. 
A B C D* E F 6 fi* I 
i. Folia cordato-subrotunda, sub anthesi supra glaberrima, subtus 
yelutina; cyma densiflora, dimidiam laminam excedens; bracteae breve- 
petiolatae, cyma breviores. — Texas! 
ABC D* E F* G H* I 
1. Folia cordato - subrotunda, sub antliesi superiora facie stellato- 
pubescentia dorso yelutina, inferiora utrinque glaberrima; cyma densiflora? 
folium subaequans; bracteae breye-petiolatae. — Lousiana! 
A B* C D E F G H* I 
1. Folia parya, basi oblique-truncata, sub anthesi utrinque glaberrina; 
cyma pauciflora, folio brevior; bracteae cymam aequantes; styli nonnulli basi 
glabri. — Pennsylvania! 
A B* C D* E F G H * I 
1 . Folia parva, ovata aut basi truncata, supra obscure-yiridia, gla- 
berriina, subtus incana; cyma laxiflora, folium aequans; bracteae longo- 
petiolatae, cymam aequantes. — Pennsylvania! 
%. T. truncata Spch. y. hrevistyla Al. Br. in sched! — Folia 
parya, ovata, supra glabra, subtus yelutina, pallida; cyma multiflora, densa, 
dimidiam laminam aequans; Stylus petalis brevior. — In horto Paris. — 
Orig, in herb. Berolin! 
3. T. truncata Spch. v. longistyla Al. Br. in sched.! —- Stylus 
petajis longior. — In horto Paris. — Orig, in herb. Berolin! 
AB*CD*EF G* H* I 
1. T. meseicana Schlechtdl. — Folia magna, oblique - ovata, 
nonnulla subrotunda, basi oblique-cordata, subtus pallida superioraque yelutina 
et inferiora pubescentia aut glabra, n er vis saepe villoso-tomentosis ; petioli 
breves, crassi, superiores villoso-tomentosi; cyma multiflora, folio brevior, 
pedunculus totus villosus, pedicelli valde incrassati cum sepalis tomentosi; 
bracteae longe - petiolatae subtus tomentosae yel pubescentes, cymam 
aequantes. — Mexico, inter Anganguis et S. Andreia! 
2. Folia magna, lata, basi oblique-cordata, subtus pallida, subsericea; 
petioli quartam partem laminae aequantes; cyma mediam laminam aequans; 
bracteae breye-petiolatae, cymam aequantes. — Texas! 
ßd. XII. Äbhandl. 
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