(seq. 10)

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Teucrium
1. Canadense
Radix.
Caulis. erectus, bi - tripedalis, quadratus, 4 sulcatus, articulatus,
pubescens, angulis rotundatis.
Petioli brevissimi, compressi, pubescentes.
Folia. opposita, brachiata, lanceolata, acute et sub
irregulariter serrata
venosa, sub rugosa subtus glauca, pubescentia subtus fere
tomentosa.
Flores, in verticillo racemo terminali, verticillis 4-6
floris, flores inter-
irregulares.
Bracteae. folium subulatum ad basin singuli flori
pedunculi, calycem
sub aequans.
Pedunculi brevissimi sub lineares, teretes.
Calyx monophyllus cyathiformis, nervosus, perbescens, sub
bilabiatus, labio superi-
ore
trifido laciniis latis acutis, inferiore bifido
laciniis angustioribus
acutioribus.
Corolla. tubulosa pubescens, bilabiata, tubo calycem aequante,
labio superiore 0,
inferiore elongato trifido, laciniis lateralibus acutis,
intermedio elongato
trifido sive auriculato auriculis acutis, lobo medio
rotundato vix crena-
to, variat corollis coeruleis et violaceis.
Stamina. filamenta quatuor didynamia filiformis Antheraa sub
oblonga globose, trans-
verse sulcatae rubescentes.
Pistillum. germina supera quaturo subrotunda. Stylus stamina subaequans. Stigmata duo acuta.
Semina. quatuor hinc globosa, inde compressa, calyce persistente tecta.
Habitat in udis, humidisque frequens, florens Jul:-Sep.
20. Aug: 1810.

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