XIV 
Spring Flora of Oklahoma 
3d. Ovary 5-celled, 5 styles; stamens 5 long and 5 short, 
somewhat united below; herbs. 
41. OXALIDACEZE. 83 
3e. Ovary 4-8 celled, one ovule in each cavity; fruit a berry¬ 
like drupe; trees or shrubs. 
48. ILICACEiE. 98 
3f. Ovary 3-celled; herbs with milky sap. 
46. EUPHORBIACEiE. 89 
lb. Stamens more or less united with the corolla, as many as 
the petals and opposite them or twice as many more. 
3a. Stamens twice as many as the lobes of the corolla or 
more; styles 2-8; plants mostly monoecious or dioecious ; 
leaves alternate and entire. 
66. EBENACEZE. 129 
3b. Stamens twice as many as the lobes of the corolla; style 
one; leaves compound. 
39. FABACEiE. 70 
3c. Stamens as many as the lobes of the corolla. 
4a. Style and stigma 1; herbs; fruit a capsule. 
65. PRIMULACE^E. 127 
4b. Stigma 1; shrubs or trees; leaves serrate or spiny, al¬ 
ternate and simple. 
48. ILICACEZE. 98 
lc. Stamens united with the corolla or only united at the base, 
as many as the petals or fewer and alternate with them. 
3a. Corolla not scarious, usually nerved. 
4a. Carpels 2, distinct below. 
5a. Styles and stigmas united, sap milky, stamens distinct. 
70. APOCYNACE/E. 134 
5b. Styles distinct, stigmas united; stamens mostly united. 
71. ASCLEPIADACEiE. 135 
4b. Carpels united forming a compound ovary. 
5a. Fertile stamens as many as the lobes of the corolla. 
Ga. Ovary 2-many celled, sometimes deeply 4-lobed. 
7a. Leaves alternate, chiefly rough herbs; ovary 4- 
lobed. 75. BORAGINACEiF. 144 
7b. Leaves opposite; if alternate, the ovary not 4- 
lobed. 
8a. Ovary 4-lobed around the style and separating 
into 1-seeded nutlets at maturity; mostly 
herbs with square stems. 
9a. Ovary not deeply lobed ; usually not aromat¬ 
ic. 76. VERBENACEiE. 148 
9b. Ovary deeply 4-lobed around the style; aro¬ 
matic. 77. LABIATiE. 150 
