344 LABIATAE. '  [Sphacele. 
upper one ovate. Corolla exserted, gibbous or nami at the base, curved 
or straight, exannulate, the upper lip 3- or 4-cleft, the lower elongate, 
entire, concave. Stamens 4, declinate, free, 6 lower pair longer than the 
upper. Anthers ovate-reniform, with the cells generally ara naa Style 
shortly bifid with subulate lobes. Nuts dry. — Herbs or shrubs, w with 
simple or branched terminal racemes, the inflorescence an contracted 
in — verticillasters or cymosely develo 
arge genus, natives of tropical and subtropical ein Madagascar, Asia and Aus- 
ene with Polynesia, one species also occurring in Brazil. 
P. parviflorus, Willd. — De. Prod. XII, 67. — Herbaceous, erect, 
Taees ft. vig med ite: eentonn: Leaves rather fleshy, on petioles of 
| ; 
acemes terminal, 3—8‘ long, simple or with a pair of branches from 
the uppermost leaf-axils. Bracts minute, soon caducous. Flowers in 
whorls of 10—16 on pedicels of 11/2—2'/2”. Calyx hispid, 1—2'/ 
clinate, incurved, strongly nerved, bilabiate, the upper lobe flat- ovate, 
the 4 lower ones longer, subulate, assurgent. Corolla blue, less than 3”; 
slightly gibbous above the base, the lowest lobe largest and concave. 
Stamens received within the lowest lobe. Nuts 1/2”, or ee 
shining. — P, apse Hook. * Arn. in Bot. Beech. p. 
Rather sed slopes of all — The species is a native also of the 
tropical cok pe ercakorsi regions of polis Australi 
3 
a 
® 
2. SPHACELE, Benth. 
Calyx campanulate, irregularly 10-nerved and net-veined, naked within, 
deeply 5- toothed, pe teeth nearly equal or somewhat bilabiate, generally 
subulate. Tube of corolla hairy inside or with a hairy ring, the lim limb 
short, scarcely bilabiate, 4-lobed, the lobes erecto- patent, broadly rounded, 
the uppermost emarginate or bifid, the lateral ones entire, the low est larger, 
marginate or entire. Ss nied 4, distant, nearly straight, the lower pair 
Sake than the upper. Anthers 2-celled, with linear diverging cells. Style 
bifid at the apex, the Jobe subulate or complanate-acute. Nucules glab- 
rous, smooth. Shrubs or herbs with rugose canescent leaves, the 
floral leaves aaa bractlike. Flowers in terminal racemes or panicles. 
n Andine genus of about 20 species, extending from Chili to California. 
hastata, Gray, in Proc. Am. Ac. V, 341. — Herbaceous, erect 
3—5 ft, high, canescent, viscous-tomentose, Leaves hastate, 6—9' X 2— Pik 
the lowest on petioles of 2“, the upper ones nearly sessile, acute, closely 
crenate, thick ¢ i 
rugose. Lowest floral Sit 3—2‘ long, subsessile, the upper ones gradu- 
ally smaller. Flowers 6—15, in compound cymes with lanceolate bract- 
