44 DICOTYLEDONEÆ. BURSERA. 
Panicula 1 dm. longa, ramulis abbreviatis vix 1 cm. longis. Calycis 
lobi 1 mm. haud æquantes. Petala 3 mm. longa, 1,5 mm. longa, an- 
therz 1,5 mm. æquantes. Discus crassus, ovarium rudimentarium in- 
cludens. 
Mexico, in valle Cordoba (Bourgeau, n. 2326 in herb. Mus. Paris). 
ß. Foliola obtusa. 
I. Foliola integerrima. 
13. B. Martiana (Engi. in Fl. Bras., p. 252); ramulis brevibus, 
novellis breviter atque dense cinereo-pilosis; foliis novellis subtus 
appresse einereo-pilosis, demum glabrescentibus, 2-2-jugis; foliolis 
ovato-oblongis subsessilibus, submueronatis vel acutis; ramulis flori- 
feris folio longioribus composito-paniculatis, cum pedicellis calyci- 
busque patenter pilosis ; calycis laciniis equaliter triangularibus; pe- 
talis oblongis calyce 5-plo longioribus; drupa oblongo-ovata, glabra. 
Ramuli patentes apice dense foliosi. Foliorum petiolus communis 
5-7 em. longus, fere ad medium usque nudus ; foliola interdum basi 
leviter cordata, 2,5-3 em. longa, 1,5 em. lata, nervo medio cum late- 
ralibus àtque venis reticulatis subtus prominente. Ramuli floriferi 
5-7 em. longi; pedicelli alabastris ovatis subzequilongi vel breviores. 
Calycis laciniæ vix I mm. longæ. Petala 4 mm. longa, 1,5 mm. lata, 
tenera, alba. Staminum dimidium petalorum paullo superantium fila- 
menta filiformia, 2 mm. longa, antheræ breves subrotundæ, albidæ. 
Ovarium disco erassiuseulo annulari cinctum, 1,5 mm. longum, stylis 
erectis apice paullum recurvis. 
Brasilia, prov. Minarum, in deserto occidentali (Martius). 
14. B. leptophloeos (Mart. in Linn., litt., 1830, p. 12) ; ramulis 
novellis cum foliis dense atque molliter patentim pilosis, petiolo tenui 
anguloso suffultis, 1-2-jugis; foliolis utrinque, imprimis in costa atque 
nervis lateralibus prominulis sparse molliter pilosis, demum glabres- 
centibus, lateralibus oblique ovatis acutiuseulis sessilibus, terminali 
oblongo basi paullum attenuato; ramulis floriferis folio quadruplo 
brevioribus abbreviatis, pu 3; calycis campanulati ad medium 
usque partiti laciniis oblongis eier 2 petalis lineari-lanceo- 
latis calyce triplo longioribus. — Engl. in Fl. bras., p. 253; a 
TERM eonfiguracäo 3, p. 55, 60; Ieica leptophloeos Mart. Observ., 
