‘ WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 513 
7. GOMPHOCARPUS R. Br. 
Tomentose perennial, similar to Asclepias, but differing in the absence of horns or 
crests to the hoods. 
1. Gomphocarpus hypoleucus A. Gray, Proc. Amer. Acad. 17: 222. 1882. 
TYPE Loca.iry: Santa Rita Mountains, Arizona. 
RanGE: Southern New Mexico and Arizona and southward. 
New Mexico: Turkey Creek, Mogollon Mountains ( Metcalfe 566). 
Order 45. POLEMONIALES. 
KEY TO THE FAMILIES. 
Stamens 5. 
Gyneecium of 2 distinct carpels ..........-...- 116. DICHONDRACEAE (p. 514). 
Gyncecium of 2 or more partially or wholly united carpels. 
Fruit drupaceous or of 2 or 4 nutlets. 
Style or stigmas furnished with a glandular ring. 
122. HELIOTROPACEAE (p. 537). 
Style or stigmas without a glandular ring. 
Fruit a group of 2 or 4 nutlets; style arising from between the 
lobes of the ovary ..........- 123. BORAGINACEAE (p. 538). 
Fruit drupaceous; style terminating the lobeless ovary. 
121. EHRETIACEAE (p. 535). 
Fruit capsuiar or baccate, the ovary never 4-lobed. 
Styles or stigmas wholly united. 
Median axis of the gyncecium in the same axis as the stem; seeds 
mostly pitted; corolla regular. ..126. SOLANACEAE (p. 566). 
Median axis of the gynecium not in the axis of the stem; seeds 
mostly tuberculate; corolla usually irregular. 
127, SCROPHULARIACEAE (p. 575). 
Styles or stigmas distinct. 
Ovary 3-celled; stigmas 3. 
Calyx lobes imbricated; corolla mostly plaited in the bud. 
118. CONVOLVULACEAE (p. 515). 
Calyx lobes valvate; corolla merely convolute in the bud. 
119. POLEMONIACEAE (p. 519). 
Ovary 1 or 2-celled, rarely 4-celled; stigmas 2. 
Ovary l-celled.......... 120. HYDROPHYLLACEAE (p. 530). 
Ovary 2-celled or 4-celled. 
Corolla unappendaged within; plants with normal leaves. 
118, CONVOLVULACEAE (p. 515). 
Corolla appendaged within; parasitic twining plants with 
scalelike leaves. ..... 117. CUSCUTACEAE (p. 514). 
Stamens 4 and didynamous, or 1 or 2. 
Carpels ripening into nutlets (grouped in 4’s) or into achenes or drupes. 
Style apical on the entire ovary...........-- 124. VERBENACEAE (p. 548). 
Style rising from between the 4 lobes of the ovary. 
125. MENTHACEAE (p. 551). 
Carpels ripening into a capsule. 
Placente of the ovary axile. 
Ovary 1-celled ..............2....-. 129, PINGUICULACEAE (p. 599). 
Ovary 2-celled, rarely 3 or 5-celled. 
Corolla lobes imbricated; capsules not elastically dehiscent. 
127. SCROPHULARIACEAE (p. 575). 
52576°—15 33 
