NATURAL SCIENCES OP PHILADELPHIA. / 



tubo subcylindrico apiee parce inflato calyce fere duplo longiore, calyce pro- 

 funde 5-fido, laciniis linearibus, subacutis. 



Burnet County. April. 



Flowers yellowish white, 68 lines long. 



Gentianace.. 



Erythraea calycosa, s. n. Annua, caule erecto tetragono ramoso 6 10- 

 policari, foliis acutis, inferioribus lanceolato-ovatis, calycibus 5-partitis, seg- 

 mentis linearisubulatis, margine membranaceis, corolla? tubo longioribus, 

 corolla? rosea? segmentis oblongo-ovatis obtusis. 



North of Fort Mason. June. 



Leaves 8 12 lines long ; segments of the calyx 6 8 lines in length ; 

 corolla subcampanulate, the top of the tube dilated and ribbed, filaments 

 exserted, but not exceeding the segments of the corolla, which are 6 8 lines 

 long. 



Sabbatia formosa, s. n. Caule tetragono erecto 8 12-policari, dicho- 

 tomo-ramoso, ramulis unifloris, foliis lanceolatis vel ovatis, inferioribus obtusis 

 aut submucronatis, calycis tubo breve obovato et carinato, laciniis linearibus, 

 corolla fere duplo brevioribus, corollse 5-partita? rosea?, segmentis obtusis vel 

 subacutis lato-obovatis, semina minutissima, testa verrucosa. 



Llano County. June. 



Stems leafy to the summit, the pairs of leaves being about an inch distant 

 from each other ; leaves 6 10 lines long. 



Oleace^. 



Forestiera autumnalis, s. n. Foliis minute serratis, ovatis subacutis 

 breviter petiolatis supra glabriusculis, subtus pubescentibus ramulis glabris, 

 junioribus pubescentibus, floret a?state, fructibus globosis caeruleis, matures - 

 centibus tarde in autumno. 



Eastern Texas and Western Louisiana. Flowers in August. 



Its fruit is very abundant, glomerated in the axiles of the leaves and ripen- 

 ing in October. Shrub 610 feet high ; petioles 3 4 lines long ; leaves 

 about 1 inches in length, somewhat cuneate at the base. All the other 

 known species of the genus flower before the expansion of the leaves. 



Nyctaginace^e. 



Abronia speciosa, s. nov. Caule erecto, vel subdecumbente, tereti, 

 foliis cordatis, obtusis basi insequalibus, petiolatis, pedunculis axillaribus, 

 vel terminalibus, longissimis, involucribus viridis 5 6-phyllis, segmentis 

 pubescentibus lanceolatis acutissimis. 



Near Fort Belknap. May. 



Plant 1 2 feet high, branching from the root ; stems bent at base, then 

 erect, with few divaricate branches ; peduncles 4 8 inches long ; heads of 

 flowers large and red ; petioles of the lower leaves 1 2 inches in length, and 

 of the upper leaves 46 lines long ; leaves 1 3 inches long, and 6 lines to 

 2 inches in width ; whole plant glandular puberulant, not viscid. 



Oxybaphus pauciflorus, s. n. Glabriusculus ; caule erecto, simplici, 

 foliis oppositis, petiolatis, oblongo-ovatis acutis, vel subobtusis, floribus axil- 

 laribus breve pedunculatis involucri segmentis obovatis, abrupte acutis, 

 pubescentibus, semina oblonga quadrangulata, rugosa. 



On the San Saba River, north of Fort Mason. 



Stem 1 2 feet high, rarely if ever branched, and leafy to the summit ; 

 leaves 2 3 inches long and 1 2 inches broad ; petioles 4 8 lines in length ; 

 peduncles 3 6 lines long and 1 2 flowered. 



EUPHORBIACEJE. 



Phyllanthus (Lepidanthus) ellipticu s, s. n. Annuusglaber erecto divari- 

 1862.] 



