Lythraceae. 89 
Ähnlich ©. Wrightiit) und C. viscosa, aber leicht zu erkennen an der violett- 
purpurnen Farbe der beiden oberen und der gelben Farbe der beiden unteren Blumen- 
blátter; außerdem fehlen den beiden genannten Arten die vesiculae infrastaminales so- 
wie die beiden sehr dichten Haarreihen innen am Kelch. 
130°. C. viscosa Rose, 1907, Contrib. Un. States Nat. Herb. 
— Annual; stems branching; branches slender terminating in long slender 
erect racemes clothed with short elammy pubescence; leaves lanceolate cuneate 
at base, slender petioled, the margin and petiole glandular ciliate, the two 
surfaces glabrate; pedicels 5 to 6 mm long, glandular pubescent; calyx 
8 mm long, slender, hirsute with purplish hairs below especially noticeable 
in unopened flowers, much enlarged and nearly glabrous above; dorsal 
lobe enlarged; petals 6; 9 dorsal ones purplish, oblong, obtuse, 6 mm long, 
including the slender claw; 4 ventral linear, 3 mm long only seen in uno- 
pened buds; stamens 14; dorsal stamens glabrous above woolly below; 
ovary and style glabrous; ovules and seeds 3. 
Mexico: collected by C. G. PriNGLE, holes in Limestone ledges of 
mountains above Iguala, Guerrero, altitude 1050 meters, October 3, 1900 
(n. 8392). 
Descr. fusior: Annua 50 cm altit. inferne ramosa; caulis ramique 
breviter purpureo-hirtelli viscosi. Folia petiolis ad 8 mm longis 
gracillimis v. in foliis superioribus ad 4 mm reductis insidentia, e basi ro- 
tundata ac subito contracta ovato-lanceolata v. suprema nonnulla ovata 
13—23 mm longa 8—11 mm lata obtusiuscula interdum subacuminata, 
Supra parce brevissimeque hirtella, margine subtusque in costa breviter 
hirtella, tenuiter membranacea nervis utrinsecus cire. 6—8  tenerrimis, 
intra infloreseentiam in quovis pari valde inaequalia. Inflorescentia elon- 
gata ramulis brevissimis paucifloris composita; pedicelli 3—7 mm longi 
breviter viscoso-hirtelli, bracteolae minutae. Calyx 44 mm longus breviter 
recte calcaratus, versus staminum insertionem angustatus apice subascen- 
dente dilatatus fructifer ampullaceus, breviter purpureo-hirtellus vis- 
cosus insuper parce hirsutus, intus supra stamina lanatus, infra eadem vix 
biseriatim villosiusculus vesiculis infrastaminalibus nullis, lobus dorsalis 
maximus productus post anthesin subdeflexus, appendices minutae dorsales 
setis 4—2 auctae; stamina 41, filamenta episepala 5 lobos vix aequantia 
? dorsalia medio lanata cetera glabra, epipetala 4 ventralia tubum non 
aequantia medio sublanata 2 dorsalia ceterorum insertionem paullo super- 
antia; petala 6, dorsalia 2 intense violaceo-purpurea obovata 
"nguiculo fere 2 mm longo adjecto 4 mm longa, ventralia 4 
albida lineari-subulata 3 mm longa; ovarium stylusque demum parum 
exsertus aequilongi glaberrimi, stigma majusculum bilobum, discus crassus 
deflexus, ovula 3. Semina orbicularia 3 mm diam., laevia sed decocta 
longissime densissimeque lanata. 
A) Cf. Clavis im Pflanzenr. l. c. 95. 
