252 FLORA OF TEXAS. 



P. GLANDULOSA, Hook. Sliruh about a foot high, with 

 very crooked branches; leaves about 1' in length, rather 

 smooth above ; calyx segments spreading and very glandu- 

 lar ; iimhels 1-2-flowered ; ovary pubescent ; style elongated. 

 — Drummo7id, 



Laurocerasus. ( Cherry Laurel.) Drupe not glaucous ; 

 stone globular ; floiuers in racemes from the axil of the ever- 

 green leaves. 



P. Caroliniaxa, Ait. (Mock Orange; Wild Peach.) 

 Leaves coriaceous, smooth, and glossy, ovate-lanceolate, 

 acute, mostly entire ; racemes shorter than the leaves, 

 white ; drupe ovoid, soon dry, black. — A small tree. Feb- 

 ruary and March. 



SPIR^A, L. Meadow Sweet. 



Calyx 5-cleft, persistent ; petals 5, roundish, imbricated 

 in the bud ; stamens 10-50 ; follicles 3-12, 1-10-seeded ; 

 styles terminal. — Shrubs or perennial herbs, with simple or 

 compound leaves ; floioers white or rose-color, sometimes 

 dioecious. 



* Shrub ; flowers perfect . 

 + Flowers corymbose. 



S. OPULIFOLIA, L. Leaves broadly ovate or cordate, 

 3-lobed, doubly crenate-serrate, smooth; corymbs umbellate, 

 terminating the short branches, mostly pubescent; follicle 

 smooth, inflated, 2-4-seeded. — Shrub, 3°-5° high, the old 

 bark separating into thin layers; floiuers white. 



AGRIMOXIA, Tourn. Agrimony. 



Calyx 5-cleft, the tube top-shaped, contracted in the 

 throat, and armed with hooked bristles ; petals 5 ; stamens 

 5-15, inserted on the throat of the calyx; achenia 2, in- 



