KEY TO THE FAMILIES AND GENERA 



89 



26. CARYOPHYLLACE-iE. 



A. Ovary 1-ovuled: corolla absent. 

 B. Segms. of involucrate perianth Hooded near 



apex and mucronate on back 



mi. Segms. of hardly involucrate perianth not 



1. Paronyckia. 



2. Herniaria. 



hooded, and blunt. 



AA. Ovary several-ovuled: petals usually present. 

 B. Sepals coalesced into a toothed or lobed 

 calyx; petals and stamens hypogynous, 

 being raised with the ovary on a gyu- 

 ophore, rarely sessile; petals with or with- 

 out a scale at the apex of the claw. 

 c. Hilum facial; embryo straight. 



D. Calyx tubular, multistriate 3. Dianthus. 



DD. Calyx top-shaped or long-tubular, 5- or 



15-ribbed: plants and fls. smaller 4. Tunica. 



Cc. Hilum lateral; embryo peripheral. 



D. Calyx 10-nerved, rarely with many 



parallel nerves. 

 E. Styles commonly 3: caps, shortly 



3- or 6-valved 5. Silene. 



EE. Styles commonly 5 or 4: caps. 



shortly 5-10- or 4-8-valved 6. Lychnis. 



DD. Calyx obscurely veined 7. Saponaria. 



ODD. Calyx broadly or obscurely 5-nerved.. . . 8. Gypaophiloi. 

 BB. Sepals free or only coalesced at the very 

 base ; petals and stamens hypogynous 

 on a short torus or usually very shortly 

 perigynous. 



c. Stipules small, scarious 9. Spergulu. 



cc. Stipules 0. 



D. Valves (or rather teeth) of the caps. 



twice as many as the styles 10. Ceraatium. 



DD. Valves of the caps, as many as the 

 styles. 



B. Petals 2-fid; styles commonly 3 11. Stellaria. 



EE. Petals entire; styles commonly 3 12. Arenaria. 



EEE. Petals entire or 0; styles as many as 



the sepals 13. Saffina, 



Alsine is also cultivated. 



27. PORTULACACE^E. 



A. Ovary cohering below with the calyx-tube 1. Portulaca. 



AA. Ovary free from the calyx. 



B. Embryo arched; endosperm scant 2. Anacamp- 



BB. Embryo more incurved or annular, includ- [seros. 



ing the endosperm. 



c. Sepals usually deciduous 3. Talinum. 



cc. Sepala persistent, at least usually in Cal- 

 andrinia. 



D. Number of sepals 5-8 4. Lewisia. 



DD. Number of sepals 2. 



E. Shape of sepals roundish heart- 

 shaped, scarious 5. Spraguea. 



EE. Shape of sepals ovate, herbaceous. 



p. Stamens 3, rarely 5 6. Montia. 



FF. Stamens definitely 5 7. Claytonia. 



FFF. Stamens indefinitely 5 to many... 8. Calandrinia. 



28. TAMARICACEJE. 



A. Stamens 4-5, free 1. Tamarix. 



4A. Stamens 10, connate below 2. Myricaria. 



29. FOUQUIERIACE^E. 



The only genus Fouquieria. 



30. HYPERICACE^E. 



A. Fls. 4-merous 1. Ascyrum. 



AA. Fls. 5-merous 2. Hypericum. 



31. GDTTIFER^. 



A. Style very short or 0: ovules solitary in each 

 locule of the ovary. 



B. Sepals 4 1. Garcinia. 



BB. Sepals 2 2. Rkeedia. 



AA. Style elongated: ovules solitary or 2. 



B. Ovary l-!oculed, 1-ovuled 3. Calophyl- 



\lurn. 

 BB. Ovary 2-4-loculed, 4-ovuled 4. Mnrnmta. 



The genera Ochrocarpus and Platonia are also treated. 



32. EUCRYPHIACE^B. 



The only genus Eucryphia. 



33. TERNSTRCEMIACE-ffi. 



A. Anthers basinxed. 

 B. Calyx of 5 sepals, sub-connate at the base, at 



length fleshy and adhering to the ovary ... 1. Vitnea. 

 BB. Calyx inferior; sepals free. 



c. Fls. rather large; petals coalesced at base; 

 anthers glabrous: ovules 2-4 in each 



locule, pendulous from the apex 2. Ternslr&mia. 



cc. Fls. medium-sized; petals free or hardly 

 coalesced; anthers pilose: ovules in 



the middle of the locule 3 Cleyera. 



ccc. Fls. small, dioecious; petals coalesced at 

 base; anthers glabrous: ovules o in the 



middle of the locule 4. Eurya. 



AA. Anthers versatile. 

 B. Radicles inferior. 



c. Ovules ascending; seeds lens-shaped; 



embryo straight 5. Stuartia, 



cc. Ovules laterally affixed; seeds flat, winged 

 on back; cotyledons flat and radicle 



in flexed 6. Schima. 



BB. Radicles superior. 



c. Ovules co ; seeds winged above 7. Gordonia. 



cc. Ovules few in each locule; seeds not 

 winged. 



D. Fls. sessile; sepals deciduous 8. Camellia. 



DD. Fls. pedicelled; sepals persistent 9. Thea. 



34. STACHYURACE^;. 



The only genus Stachyuru*. 



35. MALVACEJ2. 



A. Fr. a caps., loculicidally dehiscent (in Adaii- 



sonia indehiscent, and woody). 

 B. Seeds usually kidney-shaped: stigmaa or 



style-branches finally spreading. 

 c. Bractlets 5 to many, rarely 0, or reduced 

 to teeth: style-branches finally spread- 

 ing 1. Hibiscus. 



cc. Bractlets or 3: stigmas distinct, free, 



radiating 2. Lagunaria. 



BB. Seeds obovoid or angled: style club-shaped 

 at apex, undivided or with short erect 

 branches. 



c. Bractlets 3-5, small 3. Thespesia. 



cc. Bractlets 3, large, cordate. 4. Gossypium. 



AA. Fr. composed of carpels which separate at 



maturity. 



B. Stamina) column anther-bearing outside; 

 truncate or 5-toothed at the apex; style- 

 branches 10. 

 c. Bractlets 5-8, herbaceous or setifonn; 



carpels with or without 1-3 awns 5. Pavonia. 



cc. Bractlets co, herbaceous or setiform; car- 

 pels fleshy outside, connate into a berry, 



later separating 6. Maltatiscus. 



ccc. Bractlets 4-ti, large and colored; carpels 



naked, muticous 7. Gatthea. 



BB. Staminal column bearing anthers at or near 



the apex. 



c. Carpels , crowded into a mass without 

 order. 



D. Bractlets 3 8. Malope. 



DD. Bractlets 9. Palava. 



cc. Carpels in a single whorl. 

 D. Ovules 2 or more. 



E. Bractlets 4-6 10. Kydia. 



EE. Bractlets 11. Abutilon. 



EEE. Bractlets 3 12. Sphseratcea. 



DD. Ovule solitary. 



E. The ovule ascending. 



F. Styles longitudinally stigmatose 

 inside. 



o. Fls. dioecious 13. Napaea. 



GO. Fls. bisexual. (See article Sida.) 



H. Staminal column double, the 



outer of 5 clusters 14. Sidalcea. 



mi. Staminal column single. 



I. Bractlets 3-9, connate at 



base. 

 j. Axis of fr. not surpassing 



carpels 15. Althxa. 



jj. Axis of fr. surpassing 



carpels 16. Lavatera. 



II. Bractlets 0-3, distinct. 



jf. Carpels with transverse 

 appendages inside un- 

 der the beak 17. Callirhoe. 



