13 tal tubercle. Seeds meny in a cell, sub-globose, with a small 

 point, verv minutely tuberculate. — Schwantes in ^eitschr. f . 

 Sukk., 1936, 178. 



Species fevi, natives of South -Africa. The type of the genus 

 is 1". calcsrea, 3chv,'ant. 



The name is derived from the Greek, Titan, the sun, and ops is, 

 aiDPearance, from the sunlike enpesrence of the flowers. 



y^ey to the Species. 



Flov/ers yellov/j stigmas 6; dil&ted pert of leaf densely 



pustulate b1i over. 1. calcarea. 



Flov/ers dee'" rose-Dink; stig^nss 10; dilated part of 

 leef with small, scattered pustules that become crow- 

 ded around the apical margin. 2, crassipes, 



Flov^ers v/hite; stigmas 5, as the fruit has 5 valves; 

 dilated part of leaf covered with small pustules. 



3. spethulata, 



1. T. calcarea, Schv.rant., in -^eitschr. f. Sukk., 1926, 178, 

 and 1927, 105. Fig. a. — Rosettes lt-2 inches in diameter, com- 

 posed of 



14 several crov^ded, snathulate lesves, 7-14 lines long, 5-10 lines 

 broad at the dilated, trif ngu.lar-ov£te apicel part, which is very 

 obtuse, 2-3 lines thick, greyish-green, covered with greyish -white 

 pustules. Flov^ers subsessile. Ggiyx equally 6-lobed; lobes about 

 3f lines long, 2-2-i- brosd at the base, ovate-oblong, obtuse, pus- 

 tulate at the tips like the leaves, dull grey-green, tinged with 

 rurT^le, the 4 inner with membranous margins. Corolls about an inch 

 in diameter, erranding in day-time; petals between 30 and 40, in 

 oneseries, about ^ lines long, i-1 line broad, linear, obtuse, yel- 

 lov:, v:ith a darker midline at the base. Stamens about 2| lines 

 long, collected into e broad cone; filaments light yello\", anthers 

 v/hite. ^-lands connected into a crenula te ring, dark green. Stig- 

 mas 6, finally 3^-4 lines long, filifoi*m, with their tips recurving 

 over the stamens, yellow. Ovary flattish, or slightly convex at 

 the top, green, 6-celled. Cppsule in 4-5 lines in diaraeter when 

 closed, whitish on the flat top, with 6 valves and cells; valves 

 pale brovmish v/ithin; exr^anding-keels chestnut-brovm , v/ith pallid 

 marginal v-lngs. Otherwise as for the genus. Seeds l/3-line in 

 diameter, pale brown. 



^'esem'br^'■anthemum calcareum, i'arl. in T^. 3. .-xfr. Phil. Sqc . , 

 ^^TII, 45, with fig. and 291 (19012), and in Deutsch Tiefsee %Toed., 

 II, rt. 3, 337, and Fl. 3. Afr., I, 208, t. 52; VJettstein, Handb. 

 Svst. Bot., ed. 2, 539; Gartenwelt, XVI, 74; Kgeer, ^iol. Pflant, 

 572; Pev. Rort. Beige, XL, 187. 



G-riqualand 'est: near Kimberley, I'ferloth; ne?^ r Griquatown, 

 r'arloth. P-ecorded from the ^'fenover division and also found in other 

 parts. 



This is one of the plants that so closely resembles its sur- 

 roundings as to be easily overlooked unless in flower. Dr. i'larloth 

 calls attentionto this close resemblance at the places cited, and 

 when he first sent a plant of it to my self he als- sent with it pieces 

 of the liii-.estone among v/hich he found it growing, and as one of the 

 stones had a bit broken out of it, into which a blade of one of the 

 leaves of this plant just fitted, I nlsced the stone witr the plant 



